METAMAGNETICS INC

Westborough, MA · Aerospace · Private

Auto-tune Filter (AtF) technology: passive microwave filter component using ferrite films and magnetic spin oscillations to dynamically suppress high-power signals and electromagnetic interference in

Claim this profile

Follows are private to you and power your alerts

Updated Oct 23, 2026 · mtmgx.com

Sector: Aerospace
Headquarters: Westborough, MA
Latest Form D: $368K, Feb 2025
Total capital: $61.8M

Federal grants: $8.9M; 14 awards · 2015–2024; Rank in peer group#31 of 155
Private capital raised: $868K; 2 Form D · last Feb 2025; 20 months since last filing
Federal contracts: $52M; 63 awards · Defense, NASA; Rank in Aerospace#73 of 1335
Granted patents: 8; 14 pending · first 2020; Rank in peer group#25 of 155

Capital timeline

Latest events

Dec 2025Federal contractDefense · Scalable Homeland Innovative Enterprise Layered Defense (shield) Initial Order.$500
Aug 2025Federal contractDefense · 1GHZ-18GHZ Multiplexed Auto-tune Filter$339K
Feb 2025Private capital raisedForm D · SEC · 2nd filing$368K
Sep 2024Federal grantDefense · Phase II · 873AUTHORITY$998K
Sep 2024Federal contractDefense · 873AUTHORITY$1.5M
Sep 2024Federal contractDefense · The Contractor Has Proposed To Develop Auto-tune Filters (atf) For Unmanned Aerial Vehicle (uva) Communications Protection To Support The Army Research Lab's Efforts Regarding Electronic Warfare.$624K
Aug 2024Federal contractDefense · Research And Development Of Reliable Gyromagnetic Non-linear Transmission Lines (gnltl) At X-band.$1.3M
Jul 2024Private capital raisedForm D · SEC · 1st filing$500K

Show 71 earlier federal awards

May 2024Federal contractDefense · 1GHZ-18GHZ Multiplexed Auto-tune Filter$2.5M
Mar 2024Federal contractDefense · 1GHZ-18GHZ Multiplexed Auto-tune Filter$108K
Oct 2023Federal contractDefense · 1GHZ-18GHZ Multiplexed Auto-tune Filter$462K
Sep 2023Federal contractDefense · SBIR Phase III Research And Development$9.5M
Aug 2023Federal contractDefense · Auto-tune Filters For Robust Connectivity To The Tactical Grid$1.3M
May 2023Federal contractDefense · 1GHZ-18GHZ Multiplexed Auto-tune Filter$872K
May 2023Federal contractDefense · P23-08 Enhanced Atfs For Assured Communications And Datalinks In UAV Platforms$75K
Mar 2023Federal contractDefense · 1GHZ-18GHZ Multiplexed Auto-tune Filter$2M
Dec 2022Federal grantDefense · Phase I · Auto Tune Filters for Satellite Receiver Protection of Directed Energy Threats$149K
Aug 2022Federal contractDefense · GPS In-line Filter$750K
Aug 2022Federal grantDefense · Phase II · Magnetostatic Wave Resonators For Millimeter Wave Integrated Circuits$1.7M
Jul 2022Federal contractDefense · (darpa SBIR II) - Metamagnetics - "magnetostatic Wave Resonators For Millimeter Wave Integrated Circuits" Topic Number N171-057$1.2M
Jun 2022Federal contractDefense · Metamagnetics 18 Ghz Auto Tune Filter Module$989K
May 2022Federal contractDefense · Base Effort - SBIR Phase II$1.2M
Apr 2022Federal contractDefense · Interface-engineered Micro-ferro And Nano-ferri Composites For Present And Future Power Electronics Small Business Technology Transfer (STTR) Program Award$986K
Apr 2022Federal contractDefense · Compact Front-end Filters At The Element-level (coffee)$985K
Feb 2022Federal contractDefense · Award For Topic N192-078$1.3M
Nov 2021Federal grantDefense · Phase II · Interface-Engineered micro-Ferro and nano-Ferri Composites for Present and Future Power Electronics$1.5M
Nov 2021Federal contractDefense · Auto-tune Filter Protected Global Positioning System$49K
Aug 2021Federal contractDefense · Feasibility Study, SBIR Phase I, Topic SOCOM212-002, Small Form Factor Uhf Satcom Patch Antenna$148K
Apr 2021Federal contractDefense · Auto-tune Filters For Electronic Warfare Protection$1.1M
Apr 2021Federal contractDefense · Part Number Megamagnetics Filter$41K
Mar 2021Federal grantDefense · Phase I · Interface-Engineered microFerro and nanoFerri Composites for Present and Future Power Electronics$225K
Feb 2021Federal contractDefense · Research And Development$394K
Sep 2020Federal contractDefense · Base Effort - SBIR Phase I$111K
Aug 2020Federal contractDefense · Contract W56KGU20C0048 Awards A Sequential SBIR Phase II Against A17-039.$1.1M
Jun 2020Federal grantDefense · Phase I · Auto-tune Filters for Receiver Protection in Space Applications$111K
Mar 2020Federal contractDefense · SBIR Ph II Topic SOCOM183-002&PROTOTYPE Deliverable$1.8M
Mar 2020Federal contractDefense · SBIR Phase II, Proposal Number: A2-7663, Entitled, "substrate Materials To Grow Single Crystal Quality Magnetic Films By Liquid Phase Epitaxy (lpe):$1.1M
Dec 2019Federal contractDefense · SBIR Phase II$1.2M
Nov 2019Federal contractDefense · SBIR 1 Topic N192-078 Award$239K
Sep 2019Federal contractNASA · Small, Low Mass, Self-biased Circulators For Aerospace Phased Array RADAR Systems$516K
Jul 2019Federal contractDefense · STTR Phase I$140K
Mar 2019Federal contractDefense · Feasibility Study, SBIR Phase I, Topic SOCOM183- 002, Interference Rejection Of Strong Signals Within Wideband Communication Receivers$150K
Dec 2018Federal contractDefense · The Purpose Of This Contract, W56KGU-18-C-0057, Is To Award A Definitive 24 Month, Firm Fixed Price Type Contract Pursuant To The Small Business Innovative Research (SBIR) Program Phase II, Under Topic Number A17-039$1.0M
Sep 2018Federal contractDefense · Base Effort - SBIR Phase I$100K
Sep 2018Federal contractDefense · Progress Report$225K
Aug 2018Federal contractDefense · P/n# ATFC2V1$50K
Jul 2018Federal contractDefense · New Darpa SBIR Phase II Solicitation: Darpa 16.2 SBIR$2M
Jun 2018Federal grantDefense · Phase II · Signal Processing at Radio Frequency (RF) for Position Navigation & Timing Co-Site Interference$1.0M
Sep 2017Federal grantDefense · Phase I · Small, High Performance Circulators Based on Ferrite Materials Compatible with MMIC$125K
Aug 2017Federal grantDefense · Phase II · Synthesis and Realization of Broadband Magnetic Flux Channel Antennas$400K
Aug 2017Federal contractDefense · Research And Development, SBIR Phase II, Igf::ot::igf$750K
Aug 2017Federal grantDefense · Phase I · Signal Processing at Radio Frequency (RF) for Position Navigation & Timing Co-Site Interference$150K
May 2017Federal grantDefense · Phase II · Ferrite-Based Frequency Selective Limiter and Signal-to-Noise Enhancer for Interference Protection and Prevention in UHF SATCOM$1.4M
Dec 2016Federal contractDefense · Igf::ot::igf SBIR Phase I Effort- Darpa$150K
Sep 2016Federal grantDefense · Phase II · Autotune filter for mitigation of interference and other EMS threats$996K
Sep 2016Federal contractDefense · Igf::ot::igf Army SBIR Phase II Award$996K
Sep 2016Federal contractDefense · Igf::cl::igf Metamagnetics$1.5M
Aug 2016Federal grantDefense · Phase I · High-throughout ferrite film deposition process for integrated RF and microwave devices$100K
Oct 2015Federal contractDefense · SBIR Pi R&d. Igf::ot::igf$150K
Sep 2015Federal contractDefense · Igf::ot::igf Phase I Final Technical Report$150K
Aug 2015Federal contractNASA · Igf::ot::igf Under The Ongoing Phase II SBIR Contract Metamagnetics Inc. Is Developing A High Performance Self-biased Ferrite Circulator To Be Tested And Validated At TRL4- 5 By Subcontractor Boeing Corporation At The End Of The Program For The NASA Tracking And Data Relay Satellite (tdrs) System With Dual Use In Commercial Aircraft Satellite Communications Terminals. Advanced Representative Environment Tests, Such As Thermal And Vibration Tests For Space Qualification Are Beyond The Scope Of Th$75K
Aug 2015Federal contractDefense · SBIR Phase II Igf::ct::igf$1.5M
Jul 2015Federal grantDefense · Phase I · Ferrimagnetic Additive Composite Textile (FACT) for Improved Antenna Power Radomes and Multifunction Electronics$80K
Sep 2014Federal contractDefense · Igf::ot::igf ; Pr 68-5091-14 - Baa - DOD-13-BAA-RIF-0001 - Advanced Microelectronics$1.5M
Jul 2014Federal contractDefense · Igf::ot::igf Status Report$79K
Apr 2014Federal contractNASA · Igf::ot::igf Ferrite Control Components Including Circulators And Isolators Are Fundamental Building Blocks Of Transmit/receive Modules (trm) Utilized In High Data Rate Active Space Transceivers And Transponders For Both Long-range (lr) And Low Earth Orbit (leo) Systems. These Components Are Utilized To Protect High Power Amplifiers (hpa) During The Transmit Cycle From Destabilizing, And Potentially Harmful, Power Reflections From The Antenna Element. During Receive Cycle These Components Are Ut$895K
Mar 2014Federal contractDefense · SBIRSOL2014.1$150K
Jun 2013Federal contractDefense · Status Report$80K
May 2013Federal contractNASA · Igf::ot::igf Ferrite Control Components Including Circulators And Isolators Are Fundamental Building Blocks Of Transmit/receive Modules (trm) Utilized In High Data Rate Active Space Transceivers And Transponders For Both Long-range (lr) And Low Earth Orbit (leo) Systems. These Components Are Utilized To Protect High Power Amplifiers (hpa) During The Transmit Cycle From Destabilizing, And Potentially Harmful, Power Reflections From The Antenna Element. During Receive Cycle These Components Are U$123K
Jun 2012Federal contractDefense · Research And Development In The Physical, Engineering, And Life Sciences (except Biotechnology)$742K
Nov 2011Federal contractDefense · Research And Development In The Physical, Engineering, And Life Sciences (except Biotechnology)$687K
Aug 2011Federal contractDefense · Basictopic N093-209$999K
Aug 2011Federal contractDefense · Basic$749K
Jul 2011Federal contractDefense · Research And Development In The Physical, Engineering, And Life Sciences (except Biotechnology)$741K
Mar 2011Federal contractDefense · Research And Development In The Physical, Engineering, And Life Sciences (except Biotechnology)$150K
Sep 2010Federal contractDefense · NONE$70K
May 2010Federal contractDefense · Other Electronic Component Manufacturing$100K
Apr 2010Federal contractDefense · First Status Report$100K
Apr 2010Federal contractDefense · First Status Report$100K

Federal awards are summed by year (77 awards); hover a bar for the split. Form D reports securities sold, which can differ from an announced round; filings are numbered in the order they were made.

Federal first

171months

from METAMAGNETICS INC’s first federal award to its first private round.

First federal award · Apr 2010: Defense · $100K
First Form D · Jul 2024: $500K · 1st Form D
Awards before first raise: 71 awards

An association in public records, not a cause or a prediction.

Standing among 155 peers

Line = median

Aerospace · Device

Federal grants#31 · top 20%
Granted patents#25 · top 16%
Linked publications#7 · top 5%

Cumulative measures favor older companies. Rankings describe position today, not outcome. Below the median, ranks show as a band rather than a number.

Founders and team

From SEC Form D filings

Eric G. LesklyDirectorNamed in SEC Form D filings
Lee G. BurnsExecutive OfficerNamed in SEC Form D filings
Leonard G. PolizzottoDirectorNamed in SEC Form D filings
Vincent G. HarrisExecutive Officer, DirectorNamed in SEC Form D filings

What it has protected

USPTO · 8 granted of 22

Apr 21, 2026GrantedTemperature Stable Magnetostatic Wave RF Devices And Related TechniquesUSPTOUS 12,609,227
Mar 12, 2026PendingSystems And Methods For Filtering Radio Frequency SignalsUSPTOApplication 18883342
Oct 2, 2025PendingBroadband Magnetostatic Surface Wave Devices With Customizable Frequency ResponseUSPTOApplication 19237372

Show all 22 patent records

Temperature Stable Magnetostatic Wave RF Devices And Related TechniquesApr 21, 2026 · US 12,609,227Granted
Systems And Methods For Filtering Radio Frequency SignalsMar 12, 2026 · Application 18883342Pending
Broadband Magnetostatic Surface Wave Devices With Customizable Frequency ResponseOct 2, 2025 · Application 19237372Pending
Broadband Magnetostatic Surface Wave Devices With Customizable Frequency ResponseSep 9, 2025 · US 12,412,970Granted
Frequency Selective Limiter Having an Enhanced BandwidthJun 5, 2025 · Application 19041500Pending
Frequency Selective Limiter Having Reduced Spike LeakageMay 8, 2025 · Application 19016287Pending
Frequency Selective Limiter Having an Enhanced BandwidthMar 4, 2025 · US 12,244,048Granted
Frequency Selective Limiter Having Reduced Spike LeakageFeb 18, 2025 · US 12,231,128Granted
Techniques For Patterning Ferrite MaterialsDec 5, 2024 · Application 18678512Pending
Frequency Selective Limiter Having Reduced Spike LeakageOct 17, 2023 · US 11,791,809Granted
Fsl Having A Free Standing Yig FilmMay 31, 2022 · US 11,349,185Granted
Passive Thermal Stabilization Of Self-biased Junction Circulators And Related Circuits And TechniquesMay 10, 2022 · US 11,329,357Granted
Frequency Selective CancelerAug 25, 2020 · US 10,756,692Granted
Lumped Element Frequency Selective LimitersDec 17, 2015 · Application 14737851Pending
Lumped Element Frequency Selective LimitersApplication PCTUS2015035508Pending
Mechanical Ferrite Film PatterningApplication 63504865Pending
Temperature Stable UHF/VHF Magnetostatic Wave RF DevicesApplication 63476178Pending
Broadband Magnetostatic Surface Wave Devices With Customizable Frequency ResponseApplication 63309057Pending
Frequency Selective Limiter Having Reduced Spike LeakageApplication 63085532Pending
Magnetostatic Surface Wave Frequency Selective Limiter with Extended Bandwidth and Low Group Delay Dispersion Using a Shorted Microstrip TransducerApplication 62846103Pending
Passive Thermal Stabilization Of Gyromagnetic Self-biased Junction Circulators And Related Circuits And TechniquesApplication 62844326Pending
Frequency Selective CancelerApplication 62634337Pending

Recent research by its founders

A Broadband 2–14 GHz GCPW-Integrated Orientation-Sensitive Magnetostatic Field Sensor20260 cites
Electron Microscopy Dataset for Existence of a low cooling rate martensitic transformation into the metastable ferrimagnetic τ-phase in the MnAlCu system20260 cites
Existence of a low cooling rate martensitic transformation into the metastable ferrimagnetic τ-phase in the MnAlCu system20260 cites

METROLASER, INCORPORATEDSimilar federal contract value in Aerospace · $54.3M in contracts
PARAGON SPACE DEVELOPMENT CORPORATIONSimilar federal contract value in Aerospace · $54M in contracts
Third Wave Systems, Inc.Similar federal contract value in Aerospace · $53.7M in contracts
Aeronix, Inc.Similar federal contract value in Aerospace · $51M in contracts
LOADPATH, LLCSimilar federal contract value in Aerospace · $49.6M in contracts
CONTINUUM DYNAMICS INCSimilar federal contract value in Aerospace · $47.7M in contracts

Regulatory activity · Aerospace

Sector-level, not company-level

06 Jul 2026Nondiscrimination in Federally Assisted Programs of NASA-Effectuation of Title VI of the Civil Rights Act of 1964National Aeronautics and Space Administration
01 Jul 2026Special Conditions: AMAC Aerospace, The Boeing Company Model 747- 8 Airplane; Side-Facing SeatsFederal Aviation Administration
26 Jun 2026Standard Instrument Approach Procedures, and Takeoff Minimums and Obstacle Departure Procedures; Miscellaneous AmendmentsFederal Aviation Administration
23 Jun 2026Operating Limitations at John F. Kennedy International AirportFederal Aviation Administration
23 Jun 2026Operating Limitations at New York LaGuardia AirportFederal Aviation Administration
18 Jun 2026Special Conditions: Honeywell Aerospace US LLC, Dassault Aviation Model Falcon 900EX Airplane; Electronic System Security Protection From Unauthorized External AccessFederal Aviation Administration

Rules are matched to sector, not to company. Recent activity in a sector is context rather than a signal about this business — until rules are matched to what a company actually builds, the section is shown as context and nothing more.

Sources

Federal grants from SBIR/STTR, NIH, NSF and DoD records. Federal contracts from USAspending.gov. Private capital from SEC Form D. Patents from USPTO. Publications from OpenAlex. Regulatory activity from the Federal Register. Press matched on company name.

How to read this page

Figures show associations in public records, not causes or predictions. Nothing here is investment advice. An em-dash means no record was found under this company's name, not that none exists.

Data freshness

SEC Form D filings through Oct 23, 2026. SBIR and STTR awards through Oct 21, 2026.