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Investors cannot turn a blind eye to insiders as well as institutional ownership. They need to follow insider trades to determine the direction the stock is likely to take.
About 57.7% of AMBQ shares are held by financial institutions. ROUBAIX CAPITAL, LLC is the top corporate investor, holding 53.26K shares valued at $4.70M. A 0.26% stake in Ambiq Micro, Inc. is owned by the company. EAM INVESTORS, LLC owns 50.97K shares valued at $4.50M, which translates its holding of 0.25% of the stake in the company.
| Date | Holder | % Stake | Shares Held | Total Value ($) | Shares | % Change in Portfolio |
|---|---|---|---|---|---|---|
| Jun 30, 2026 | ROUBAIX CAPITAL, LLC | 0.26% | 53.26K | 4.7M | -72.56K | -57.67% |
| Jun 30, 2026 | EAM INVESTORS, LLC | 0.25% | 50.97K | 4.5M | 50.97K | +100.00% |
| Jun 30, 2026 | BANK OF NEW YORK MELLON CORP | 0.24% | 48.66K | 4.3M | 6.63K | +15.77% |
| Jun 30, 2026 | FMR LLC | 0.22% | 44.63K | 3.94M | 43.87K | +5,749.80% |
| Jun 30, 2026 | UBS GROUP AG | 0.18% | 35.79K | 3.16M | -130.05K | -78.42% |
| Jun 30, 2026 | LOS ANGELES CAPITAL MANAGEMENT LLC | 0.17% | 35.4K | 3.13M | -57.18K | -61.76% |
| Jun 30, 2026 | TITAN GLOBAL CAPITAL MANAGEMENT USA LLC | 0.14% | 29.55K | 2.61M | 29.55K | +100.00% |
| Jun 30, 2026 | GSA CAPITAL PARTNERS LLP | 0.11% | 22.9K | 2.02M | 22.9K | +100.00% |
| Jun 30, 2026 | TD ASSET MANAGEMENT INC | 0.11% | 22.76K | 2.01M | -1.01K | -4.26% |
| Jun 30, 2026 | KORNITZER CAPITAL MANAGEMENT INC /KS | 0.11% | 22.02K | 1.94M | -4.42K | -16.71% |
| Jun 30, 2026 | RHUMBLINE ADVISERS | 0.11% | 21.86K | 1.93M | 7.82K | +55.70% |
| Jun 30, 2026 | HIGHTOWER ADVISORS, LLC | 0.11% | 21.77K | 1.92M | 116 | +0.54% |
| Jun 30, 2026 | OCCUDO QUANTITATIVE STRATEGIES LP | 0.1% | 21.4K | 1.89M | 21.4K | +100.00% |
| Jun 30, 2026 | CITIGROUP INC | 0.1% | 21K | 1.85M | 16.71K | +389.08% |
| Jun 30, 2026 | TORONADO PARTNERS, LLC | 0.09% | 19.23K | 1.7M | -2K | -9.41% |
| Jun 30, 2026 | AXXCESS WEALTH MANAGEMENT, LLC | 0.09% | 18.93K | 1.67M | 18.93K | +100.00% |
| Jun 30, 2026 | GLENMEDE TRUST CO NA | 0.09% | 18.33K | 1.62M | 18.33K | +100.00% |
| Jun 30, 2026 | QUADRATURE CAPITAL LTD | 0.08% | 16.43K | 1.45M | 5.38K | +48.68% |
| Jun 30, 2026 | ESSEX INVESTMENT MANAGEMENT CO LLC | 0.07% | 13.68K | 1.21M | -5.54K | -28.81% |
| Jun 30, 2026 | QUANTBOT TECHNOLOGIES LP | 0.06% | 12.83K | 1.13M | -2.32K | -15.33% |
| Jun 30, 2026 | RUSSELL INVESTMENTS GROUP, LTD. | 0.06% | 12.27K | 1.08M | 10.85K | +763.34% |
| Jun 30, 2026 | STIFEL FINANCIAL CORP | 0.06% | 12.11K | 1.07M | -15.58K | -56.27% |
| Jun 30, 2026 | ENVESTNET ASSET MANAGEMENT INC | 0.06% | 11.53K | 1.02M | 11.53K | +100.00% |
| Jun 30, 2026 | FORA CAPITAL, LLC | 0.05% | 10.9K | 963.19K | 10.9K | +100.00% |
| Jun 30, 2026 | SOFTBANK GROUP CORP. | 0.69% | 148.94K | 13.15M | 0 | 0 |
| Jun 30, 2026 | S SQUARED TECHNOLOGY, LLC | 0.56% | 120.77K | 10.66M | -72K | -37.35% |
| Jun 30, 2026 | HOOD RIVER CAPITAL MANAGEMENT LLC | 0.56% | 121.74K | 10.75M | 121.74K | +100.00% |
| Jun 30, 2026 | CITADEL ADVISORS LLC | 0.56% | 122.43K | 10.81M | 122.43K | +100.00% |
| Jun 30, 2026 | NORTHERN TRUST CORP | 0.6% | 130.8K | 11.55M | 19.96K | +18.00% |
| Jun 30, 2026 | VANGUARD FIDUCIARY TRUST CO | 0.38% | 83.13K | 7.34M | 18.09K | +27.81% |
| Jun 30, 2026 | NUVEEN, LLC | 0.64% | 138.97K | 12.27M | 103.24K | +289.03% |
| Jun 30, 2026 | MARSHALL WACE, LLP | 0.5% | 109.49K | 9.67M | 109.49K | +100.00% |
| Jun 30, 2026 | BLACKROCK, INC. | 6.35% | 1.38M | 121.91M | 367.46K | +36.27% |
| Jun 30, 2026 | MORGAN STANLEY | 0.84% | 182.01K | 16.07M | 150.6K | +479.55% |
| Jun 30, 2026 | PRICE T ROWE ASSOCIATES INC /MD/ | 0.72% | 156.91K | 13.86M | 141.97K | +950.52% |
| Jun 30, 2026 | EMERALD MUTUAL FUND ADVISERS TRUST | 0.73% | 159.13K | 14.05M | 159.13K | +100.00% |
| Jun 30, 2026 | WASATCH ADVISORS LP | 0.38% | 81.56K | 7.2M | -172.74K | -67.93% |
| Jun 30, 2026 | MOODY ALDRICH PARTNERS LLC | 0.4% | 81.39K | 7.19M | 81.39K | +100.00% |
| Jun 30, 2026 | GILDER GAGNON HOWE & CO LLC | 0.73% | 159.62K | 14.09M | 50.05K | +45.67% |
| Jun 30, 2026 | DEUTSCHE BANK AG\ | 0.76% | 165.37K | 14.6M | 142.36K | +618.67% |
| Jun 30, 2026 | VANGUARD PORTFOLIO MANAGEMENT LLC | 0.78% | 169.89K | 15M | 10.99K | +6.92% |
| Jun 30, 2026 | WELLINGTON MANAGEMENT GROUP LLP | 0.77% | 168.14K | 14.85M | 168.14K | +100.00% |
| Jun 30, 2026 | 0.83% | 169.89K | 15M | 10.99K | +6.92% | |
| Jun 30, 2026 | JPMORGAN CHASE & CO | 0.92% | 200.79K | 17.08M | 124.27K | +162.41% |
| Jun 30, 2026 | BANK OF AMERICA CORP /DE/ | 0.93% | 203.27K | 17.95M | 155.24K | +323.19% |
| Jun 30, 2026 | BNP PARIBAS ARBITRAGE, SNC | 0.94% | 204.18K | 18.03M | 200.29K | +5,150.22% |
| Jun 30, 2026 | WALLEYE CAPITAL LLC | 0.99% | 214.53K | 18.94M | 203.1K | +1,777.05% |
| Jun 30, 2026 | COOPER CREEK PARTNERS MANAGEMENT LLC | 1.01% | 220K | 19.43M | 220K | +100.00% |
| Jun 30, 2026 | VOLORIDGE INVESTMENT MANAGEMENT, LLC | 1.03% | 223.28K | 19.72M | 223.28K | +100.00% |
| Jun 30, 2026 | HRT FINANCIAL LP | 1.04% | 225.64K | 19.92M | 225.64K | +100.00% |
| Jun 30, 2026 | EMERALD ADVISERS, LLC | 1.12% | 243.66K | 21.52M | 243.66K | +100.00% |
| Jun 30, 2026 | FIRST EAGLE INVESTMENT MANAGEMENT, LLC | 1.12% | 244.39K | 21.58M | -34.68K | -12.43% |
| Jun 30, 2026 | NEUBERGER BERMAN GROUP LLC | 1.25% | 272.13K | 24.03M | 272.13K | +100.00% |
| Jun 30, 2026 | DRIEHAUS CAPITAL MANAGEMENT LLC | 1.33% | 288.98K | 25.52M | -91.79K | -24.11% |
| Jun 30, 2026 | MILLENNIUM MANAGEMENT LLC | 1.33% | 289.21K | 25.54M | 111.65K | +62.88% |
| Jun 30, 2026 | ACADIAN ASSET MANAGEMENT LLC | 0.39% | 78.9K | 6.96M | 78.9K | +100.00% |
| Jun 30, 2026 | JANE STREET GROUP, LLC | 1.36% | 294.8K | 26.03M | 294.8K | +100.00% |
| Jun 30, 2026 | SILVERCREST ASSET MANAGEMENT GROUP LLC | 1.42% | 309.1K | 27.29M | 26.72K | +9.46% |
| Jun 30, 2026 | SIXTH STREET PARTNERS MANAGEMENT COMPANY, L.P. | 0.45% | 98.45K | 8.69M | 98.45K | +100.00% |
| Jun 30, 2026 | LORD, ABBETT & CO. LLC | 0.54% | 118.43K | 10.46M | 118.43K | +100.00% |
| Jun 30, 2026 | RENAISSANCE TECHNOLOGIES LLC | 0.99% | 214.76K | 18.96M | 172.16K | +404.12% |
| Jun 30, 2026 | FRANKLIN RESOURCES INC | 1.03% | 223.76K | 19.76M | -318.45K | -58.73% |
| Jun 30, 2026 | GEODE CAPITAL MANAGEMENT, LLC | 1.56% | 339.33K | 29.97M | 41.78K | +14.04% |
| Jun 30, 2026 | SCHONFELD STRATEGIC ADVISORS LLC | 1.45% | 315.46K | 27.85M | -341.1K | -51.95% |
| Jun 30, 2026 | NEEDHAM INVESTMENT MANAGEMENT LLC | 1.49% | 323.7K | 28.58M | 123.7K | +61.85% |
| Jun 30, 2026 | GOLDMAN SACHS GROUP INC | 2.06% | 446.95K | 39.47M | 33.52K | +8.11% |
| Jun 30, 2026 | ALLIANCEBERNSTEIN L.P. | 2.8% | 609.61K | 15.49M | -76.49K | -11.15% |
| Jun 30, 2026 | TWO SIGMA INVESTMENTS, LP | 3% | 651.79K | 57.55M | 614.99K | +1,671.45% |
| Jun 30, 2026 | VANGUARD CAPITAL MANAGEMENT LLC | 3.53% | 768.54K | 67.86M | 61.14K | +8.64% |
| Jun 30, 2026 | STATE STREET CORP | 3.96% | 861.98K | 76.11M | 601.75K | +231.24% |
| Jun 30, 2026 | ATREIDES MANAGEMENT, LP | 4.03% | 877.12K | 77.45M | 14.95K | +1.73% |
| Jun 30, 2026 | D. E. SHAW & CO., INC. | 4.53% | 983.92K | 86.88M | 983.92K | +100.00% |
| Jun 30, 2026 | T. ROWE PRICE INVESTMENT MANAGEMENT, INC. | 4.63% | 1.01M | 88.86M | -261.19K | -20.61% |
| Jun 30, 2026 | MANUFACTURERS LIFE INSURANCE COMPANY, THE | 47.38% | 10.3M | 434.08K | 10.3M | +100.00% |
| Jun 30, 2026 | HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | 0.58% | 126.03K | 11.13M | 126.03K | +100.00% |
| Jun 30, 2026 | PUBLIC SECTOR PENSION INVESTMENT BOARD | 0.37% | 75.2K | 6.64M | 75.2K | +100.00% |
| Jun 30, 2026 | BARCLAYS PLC | 0.46% | 99.69K | 8.8M | 94.96K | +2,007.08% |
| Jun 30, 2026 | ALGERT GLOBAL LLC | 0.32% | 66.01K | 5.83M | 66.01K | +100.00% |
| Jun 30, 2026 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 0.45% | 98.45K | 8.69M | 17.38K | +21.44% |
| Mar 31, 2026 | GILDER GAGNON HOWE & CO LLC | 0.54% | 109.58K | 2.78M | 15.83K | +16.89% |
| Mar 31, 2026 | SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC | 0.76% | 155.6K | 3.95M | 32K | +25.89% |
| Mar 31, 2026 | MILLENNIUM MANAGEMENT LLC | 0.87% | 177.56K | 4.51M | 115.54K | +186.30% |
| Mar 31, 2026 | NEEDHAM INVESTMENT MANAGEMENT LLC | 0.98% | 200K | 5.08M | 200K | +100.00% |
| Mar 31, 2026 | POLAR ASSET MANAGEMENT PARTNERS INC. | 0.99% | 201.34K | 5.12M | 175.25K | +671.75% |
| Mar 31, 2026 | READYSTATE ASSET MANAGEMENT LP | 0.21% | 41.92K | 1.07M | 25.32K | +152.57% |
| Mar 31, 2026 | BANK OF NEW YORK MELLON CORP | 0.21% | 42.03K | 1.07M | 31.21K | +288.52% |
| Mar 31, 2026 | RENAISSANCE TECHNOLOGIES LLC | 0.21% | 42.6K | 1.08M | 42.6K | +100.00% |
| Mar 31, 2026 | UBS GROUP AG | 0.81% | 165.84K | 4.21M | 130.05K | +363.37% |
| Mar 31, 2026 | BANK OF AMERICA CORP /DE/ | 0.24% | 48.03K | 1.22M | 41.47K | +632.32% |
| Mar 31, 2026 | HIGHTOWER ADVISORS, LLC | 0.11% | 21.65K | 550.18K | 21.65K | +100.00% |
| Mar 31, 2026 | 0.78% | 158.9K | 4.04M | 158.9K | +100.00% | |
| Mar 31, 2026 | CAPITAL ASSET ADVISORY SERVICES LLC | 0.24% | 18.93K | 664.75K | 18.93K | +100.00% |
| Mar 31, 2026 | ESSEX INVESTMENT MANAGEMENT CO LLC | 0.24% | 19.22K | 488.28K | 19.22K | +100.00% |
| Mar 31, 2026 | STATE STREET CORP | 1.28% | 260.23K | 6.61M | 175.72K | +207.94% |
| Mar 31, 2026 | SILVERCREST ASSET MANAGEMENT GROUP LLC | 1.38% | 282.37K | 7.18M | 93.68K | +49.65% |
| Mar 31, 2026 | DRIEHAUS CAPITAL MANAGEMENT LLC | 1.87% | 380.77K | 9.68M | 380.77K | +100.00% |
| Mar 31, 2026 | PERPETUAL LTD | 0.21% | 16.65K | 423.05K | 16.65K | +100.00% |
| Mar 31, 2026 | QUANTBOT TECHNOLOGIES LP | 0.19% | 15.16K | 385.11K | 11.29K | +292.13% |
| Mar 31, 2026 | RHUMBLINE ADVISERS | 0.18% | 14.04K | 356.67K | 10.63K | +311.88% |
| Mar 31, 2026 | WALLEYE CAPITAL LLC | 0.14% | 11.43K | 290.41K | -126 | -1.09% |
| Mar 31, 2026 | METLIFE INVESTMENT MANAGEMENT, LLC | 0.13% | 10.17K | 258.39K | 10.17K | +100.00% |
| Mar 31, 2026 | WELLS FARGO & COMPANY/MN | 0.09% | 6.87K | 174.57K | 1.53K | +28.56% |
| Mar 31, 2026 | POLICE & FIREMEN'S RETIREMENT SYSTEM OF NEW JERSEY | 0.06% | 4.58K | 116.4K | 3.56K | +346.93% |
| Mar 31, 2026 | CITIGROUP INC | 0.05% | 4.29K | 109.11K | 3.19K | +290.01% |
| Mar 31, 2026 | BNP PARIBAS ARBITRAGE, SNC | 0.05% | 3.89K | 98.82K | 2.9K | +293.23% |
| Mar 31, 2026 | VANGUARD GLOBAL ADVISERS, LLC | 0.04% | 3.13K | 79.56K | 3.13K | +100.00% |
| Mar 31, 2026 | NEW YORK STATE COMMON RETIREMENT FUND | 0.02% | 1.7K | 43.2K | 0 | 0 |
| Mar 31, 2026 | LEGAL & GENERAL GROUP PLC | 0.02% | 1.58K | 40.25K | 1.11K | +234.88% |
| Mar 31, 2026 | AMERITAS INVESTMENT PARTNERS, INC. | 0.02% | 1.48K | 37.66K | 1.09K | +280.98% |
| Mar 31, 2026 | RUSSELL INVESTMENTS GROUP, LTD. | 0.02% | 1.42K | 36.11K | 1.01K | +244.90% |
| Mar 31, 2026 | SBI SECURITIES CO., LTD. | 0.01% | 831 | 21.12K | -405 | -32.77% |
| Mar 31, 2026 | STRS OHIO | 0.01% | 800 | 20.33K | 0 | 0 |
| Mar 31, 2026 | STERLING CAPITAL MANAGEMENT LLC | 0% | 290 | 7.37K | 155 | +114.81% |
| Mar 31, 2026 | UBS ASSET MANAGEMENT AMERICAS INC | 0% | 227 | 5.77K | 227 | +100.00% |
| Mar 31, 2026 | HURLEY CAPITAL, LLC | 0% | 200 | 5.08K | 0 | 0 |
| Mar 31, 2026 | CAITONG INTERNATIONAL ASSET MANAGEMENT CO., LTD | 0% | 192 | 4.88K | 192 | +100.00% |
| Mar 31, 2026 | CWM, LLC | 0% | 91 | 2.31K | 42 | +85.71% |
| Mar 31, 2026 | SIMPLEX TRADING, LLC | 0% | 33 | 838K | 33 | +100.00% |
| Mar 31, 2026 | EVERSOURCE WEALTH ADVISORS, LLC | 0% | 27 | 344 | 26 | +2,600.00% |
| Mar 31, 2026 | NORTHERN TRUST CORP | 0.54% | 110.85K | 2.82M | 90.56K | +446.48% |
| Mar 31, 2026 | MONASHEE INVESTMENT MANAGEMENT LLC | 0.51% | 103.76K | 2.64M | 18.67K | +21.94% |
| Mar 31, 2026 | LOS ANGELES CAPITAL MANAGEMENT LLC | 0.45% | 92.58K | 2.35M | 83.93K | +969.35% |
| Mar 31, 2026 | JPMORGAN CHASE & CO | 0.38% | 76.52K | 1.81M | 63.83K | +502.94% |
| Mar 31, 2026 | VANGUARD FIDUCIARY TRUST CO | 0.32% | 65.04K | 1.65M | 65.04K | +100.00% |
| Mar 31, 2026 | LAZARD ASSET MANAGEMENT LLC | 0.32% | 64.25K | 1.63M | 64.25K | +100.00% |
| Mar 31, 2026 | CENTERBOOK PARTNERS LP | 0.27% | 55.57K | 1.41M | 55.57K | +100.00% |
| Mar 31, 2026 | AMERIPRISE FINANCIAL INC | 0.46% | 36.78K | 934.66K | 16.33K | +79.82% |
| Mar 31, 2026 | NUVEEN, LLC | 0.18% | 35.72K | 907.67K | 35.72K | +100.00% |
| Mar 31, 2026 | MORGAN STANLEY | 0.15% | 31.41K | 798K | -7.88K | -20.06% |
| Mar 31, 2026 | STIFEL FINANCIAL CORP | 0.14% | 27.7K | 703.73K | 27.7K | +100.00% |
| Mar 31, 2026 | XTX TOPCO LTD | 0.12% | 24.85K | 631.54K | 24.85K | +100.00% |
| Mar 31, 2026 | TD ASSET MANAGEMENT INC | 0.12% | 23.77K | 604K | 23.77K | +100.00% |
| Mar 31, 2026 | DEUTSCHE BANK AG\ | 0.11% | 23.01K | 584.68K | 7.62K | +49.52% |
| Mar 31, 2026 | TORONADO PARTNERS, LLC | 0.1% | 21.22K | 539.25K | 21.22K | +100.00% |
| Mar 31, 2026 | INSPIRE INVESTING, LLC | 0.1% | 20.81K | 528.68K | 4.67K | +28.90% |
| Mar 31, 2026 | GHISALLO CAPITAL MANAGEMENT LLC | 0.1% | 20K | 508.2K | 0 | 0 |
| Mar 31, 2026 | BLACKROCK, INC. | 4.97% | 1.01M | 25.74M | 705.27K | +229.06% |
| Mar 31, 2026 | FRANKLIN RESOURCES INC | 2.66% | 542.22K | 13.78M | 234.33K | +76.11% |
| Mar 31, 2026 | FIRST EAGLE INVESTMENT MANAGEMENT, LLC | 1.37% | 279.07K | 7.09M | 89.35K | +47.10% |
| Mar 31, 2026 | WASATCH ADVISORS LP | 1.25% | 254.3K | 6.46M | 36.79K | +16.91% |
| Mar 31, 2026 | S SQUARED TECHNOLOGY, LLC | 0.95% | 192.77K | 4.9M | 192.77K | +100.00% |
| Mar 31, 2026 | T. ROWE PRICE INVESTMENT MANAGEMENT, INC. | 6.21% | 1.27M | 32.21M | 1.27M | +100.00% |
| Mar 31, 2026 | ALLIANCEBERNSTEIN L.P. | 3.36% | 686.1K | 19.55M | 290.73K | +73.53% |
| Mar 31, 2026 | SCHONFELD STRATEGIC ADVISORS LLC | 3.22% | 656.55K | 16.68M | 434.74K | +196.00% |
| Mar 31, 2026 | GOLDMAN SACHS GROUP INC | 2.03% | 413.43K | 10.51M | 281.31K | +212.94% |
| Mar 31, 2026 | GEODE CAPITAL MANAGEMENT, LLC | 1.46% | 297.55K | 7.56M | 193.36K | +185.60% |
| Mar 31, 2026 | ROUBAIX CAPITAL, LLC | 0.62% | 125.82K | 3.2M | 125.82K | +100.00% |
| Mar 31, 2026 | ALYESKA INVESTMENT GROUP, L.P. | 0.38% | 78.31K | 1.99M | 45.47K | +138.50% |
| Mar 31, 2026 | TWO SIGMA INVESTMENTS, LP | 0.18% | 36.79K | 934.94K | 36.79K | +100.00% |
| Mar 31, 2026 | KORNITZER CAPITAL MANAGEMENT INC /KS | 0.13% | 26.44K | 671.89K | 9.37K | +54.88% |
| Mar 31, 2026 | VANGUARD CAPITAL MANAGEMENT LLC | 3.47% | 707.4K | 17.98M | 707.4K | +100.00% |
| Mar 31, 2026 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 0.4% | 81.07K | 2.06M | 47.23K | +139.61% |
| Mar 31, 2026 | ATREIDES MANAGEMENT, LP | 4.23% | 862.18K | 21.91M | 165.76K | +23.80% |
| Mar 31, 2026 | SOFTBANK GROUP CORP. | 0.73% | 148.94K | 3.78M | 0 | 0 |
| Dec 31, 2025 | WALLEYE CAPITAL LLC | 0.09% | 11.56K | 329.32K | 0 | 0 |
| Dec 31, 2025 | MIRAE ASSET GLOBAL ETFS HOLDINGS LTD. | 0.18% | 22.18K | 632.1K | 20.01K | +923.96% |
| Dec 31, 2025 | WELLS FARGO & COMPANY/MN | 0.04% | 5.34K | 152.3K | 2.23K | +71.50% |
| Dec 31, 2025 | BLACKROCK, INC. | 2.47% | 307.9K | 8.78M | 16.02K | +5.49% |
| Dec 31, 2025 | CITIGROUP INC | 0.01% | 1.1K | 31.38K | 955 | +654.11% |
| Dec 31, 2025 | VERITION FUND MANAGEMENT LLC | 0% | 0 | - | -29.57K | -100.00% |
| Dec 31, 2025 | SQUAREPOINT OPS LLC | 0% | 0 | - | -9.25K | -100.00% |
| Dec 31, 2025 | GLOBAL RETIREMENT PARTNERS, LLC | 0% | 0 | - | -12K | -100.00% |
| Dec 31, 2025 | CAITONG INTERNATIONAL ASSET MANAGEMENT CO., LTD | 0% | 0 | - | -454 | -100.00% |
| Dec 31, 2025 | KINGSWOOD WEALTH ADVISORS, LLC | 0% | 0 | - | -6.9K | -100.00% |
| Dec 31, 2025 | 0% | 9 | 257 | 9 | +100.00% | |
| Dec 31, 2025 | ROTHSCHILD INVESTMENT LLC | 0% | 5 | 143 | 5 | +100.00% |
| Dec 31, 2025 | EVERSOURCE WEALTH ADVISORS, LLC | 0% | 1 | 29K | 1 | +100.00% |
| Dec 31, 2025 | IFP ADVISORS, INC | 0% | 1 | 28K | 1 | +100.00% |
| Dec 31, 2025 | MASSMUTUAL TRUST CO FSB/ADV | 0% | 0 | - | -58 | -100.00% |
| Dec 31, 2025 | ATREIDES MANAGEMENT, LP | 5.59% | 696.42K | 19.85M | 12.11K | +1.77% |
| Dec 31, 2025 | ALLIANCEBERNSTEIN L.P. | 3.17% | 395.37K | 11.27M | -40.78K | -9.35% |
| Dec 31, 2025 | KADENSA CAPITAL LTD | 3.17% | 394.99K | 11.26M | 0 | 0 |
| Dec 31, 2025 | SCHONFELD STRATEGIC ADVISORS LLC | 1.78% | 221.81K | 6.32M | -52.28K | -19.07% |
| Dec 31, 2025 | SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC | 0.99% | 123.6K | 3.52M | 30K | +32.05% |
| Dec 31, 2025 | GEODE CAPITAL MANAGEMENT, LLC | 0.84% | 104.18K | 2.97M | 6.16K | +6.28% |
| Dec 31, 2025 | GILDER GAGNON HOWE & CO LLC | 0.75% | 93.75K | 2.67M | -2K | -2.09% |
| Dec 31, 2025 | D. E. SHAW & CO., INC. | 0.16% | 19.57K | 557.86K | 4.41K | +29.04% |
| Dec 31, 2025 | READYSTATE ASSET MANAGEMENT LP | 0.13% | 16.6K | 472.99K | -4.9K | -22.81% |
| Dec 31, 2025 | INSPIRE INVESTING, LLC | 0.13% | 16.14K | 460.02K | 1.07K | +7.06% |
| Dec 31, 2025 | FIRST EAGLE INVESTMENT MANAGEMENT, LLC | 1.52% | 189.72K | 5.41M | 130.82K | +222.11% |
| Dec 31, 2025 | SILVERCREST ASSET MANAGEMENT GROUP LLC | 1.51% | 188.69K | 5.38M | 0 | 0 |
| Dec 31, 2025 | AMERIPRISE FINANCIAL INC | 0.16% | 20.46K | 583K | -2.17K | -9.59% |
| Dec 31, 2025 | NORTHERN TRUST CORP | 0.16% | 20.28K | 578.09K | -13.69K | -40.29% |
| Dec 31, 2025 | HOUND PARTNERS, LLC | 0.16% | 20K | 570K | 0 | 0 |
| Dec 31, 2025 | NORGES BANK | 0.16% | 20K | 570K | 20K | +100.00% |
| Dec 31, 2025 | GHISALLO CAPITAL MANAGEMENT LLC | 0.16% | 20K | 570K | 0 | 0 |
| Dec 31, 2025 | BARCLAYS PLC | 0.07% | 8.45K | 240.85K | 1.88K | +28.67% |
| Dec 31, 2025 | BANK OF AMERICA CORP /DE/ | 0.05% | 6.56K | 186.93K | 647 | +10.94% |
| Dec 31, 2025 | QUANTBOT TECHNOLOGIES LP | 0.03% | 3.87K | 110.15K | 3.87K | +100.00% |
| Dec 31, 2025 | RHUMBLINE ADVISERS | 0.03% | 3.41K | 97.13K | -575 | -14.44% |
| Dec 31, 2025 | NEW YORK STATE COMMON RETIREMENT FUND | 0.01% | 1.7K | 48.45K | 1.7K | +100.00% |
| Dec 31, 2025 | ADVISOR GROUP HOLDINGS, INC. | 0.01% | 1.6K | 45.46K | -250 | -13.55% |
| Dec 31, 2025 | SBI SECURITIES CO., LTD. | 0.01% | 1.24K | 35.23K | -2.14K | -63.40% |
| Dec 31, 2025 | FRANKLIN RESOURCES INC | 2.47% | 307.89K | 8.77M | 295.93K | +2,474.31% |
| Dec 31, 2025 | WASATCH ADVISORS LP | 1.75% | 217.51K | 6.2M | 72.09K | +49.57% |
| Dec 31, 2025 | GOLDMAN SACHS GROUP INC | 1.06% | 132.11K | 3.77M | 10.71K | +8.82% |
| Dec 31, 2025 | TWO SIGMA INVESTMENTS, LP | 0% | 0 | - | -7.47K | -100.00% |
| Dec 31, 2025 | WHITTIER TRUST CO OF NEVADA INC | 0% | 0 | - | -1K | -100.00% |
| Dec 31, 2025 | FORTRESS INVESTMENT GROUP LLC | 0% | 0 | - | -150K | -100.00% |
| Dec 31, 2025 | BLACKSTONE INC. | 0% | 0 | - | -20K | -100.00% |
| Dec 31, 2025 | MONASHEE INVESTMENT MANAGEMENT LLC | 0.68% | 85.09K | 2.43M | -114.91K | -57.46% |
| Dec 31, 2025 | STATE STREET CORP | 0.68% | 84.51K | 2.41M | 12.21K | +16.89% |
| Dec 31, 2025 | KORNITZER CAPITAL MANAGEMENT INC /KS | 0.14% | 17.07K | 486.58K | 73 | +0.43% |
| Dec 31, 2025 | DEUTSCHE BANK AG\ | 0.12% | 15.39K | 438.59K | -4.5K | -22.63% |
| Dec 31, 2025 | POLICE & FIREMEN'S RETIREMENT SYSTEM OF NEW JERSEY | 0.01% | 1.03K | 29.21K | 0 | 0 |
| Dec 31, 2025 | BNP PARIBAS ARBITRAGE, SNC | 0.01% | 989 | 28.19K | 49 | +5.21% |
| Dec 31, 2025 | ROYAL BANK OF CANADA | 0.01% | 810 | 24K | -3.96K | -83.03% |
| Dec 31, 2025 | STRS OHIO | 0.01% | 800 | 22.8K | 0 | 0 |
| Dec 31, 2025 | LEGAL & GENERAL GROUP PLC | 0% | 473 | 13.48K | 0 | 0 |
| Dec 31, 2025 | TOWER RESEARCH CAPITAL LLC (TRC) | 0% | 440 | 12.54M | -548 | -55.47% |
| Dec 31, 2025 | AMERITAS INVESTMENT PARTNERS, INC. | 0% | 389 | 11.09K | 0 | 0 |
| Dec 31, 2025 | QUARRY LP | 0% | 304 | 8.66K | 286 | +1,588.89% |
| Dec 31, 2025 | AMALGAMATED BANK | 0% | 146 | 4K | -5 | -3.31% |
| Dec 31, 2025 | STERLING CAPITAL MANAGEMENT LLC | 0% | 135 | 3.85K | 13 | +10.66% |
| Dec 31, 2025 | CWM, LLC | 0% | 49 | 1K | 49 | +100.00% |
| Dec 31, 2025 | NISA INVESTMENT ADVISORS, LLC | 0% | 12 | 342 | 12 | +100.00% |
| Dec 31, 2025 | GAMMA INVESTING LLC | 0% | 11 | 314 | 11 | +100.00% |
| Dec 31, 2025 | ALLWORTH FINANCIAL LP | 0% | 2 | 57 | 2 | +100.00% |
| Dec 31, 2025 | MORGAN STANLEY | 0.32% | 39.28K | 1.12M | 30.57K | +350.97% |
| Dec 31, 2025 | JPMORGAN CHASE & CO | 0.1% | 12.69K | 361.7K | 10.81K | +576.13% |
| Dec 31, 2025 | LOS ANGELES CAPITAL MANAGEMENT LLC | 0.07% | 8.66K | 257.32K | 8.66K | +100.00% |
| Dec 31, 2025 | VANGUARD GROUP INC | 2.63% | 328.18K | 9.35M | 20.35K | +6.61% |
| Dec 31, 2025 | SOFTBANK GROUP CORP. | 1.19% | 148.94K | 4.24M | 0 | 0 |
| Dec 31, 2025 | MILLENNIUM MANAGEMENT LLC | 0.5% | 62.02K | 1.77M | 62.02K | +100.00% |
| Dec 31, 2025 | MAVERICK CAPITAL LTD | 0.48% | 59.25K | 1.69M | 0 | 0 |
| Dec 31, 2025 | SEVEN GRAND MANAGERS, LLC | 0.4% | 50K | 1.43M | 0 | 0 |
| Dec 31, 2025 | PEAK6 LLC | 0.29% | 35.84K | 1.02M | -4.16K | -10.41% |
| Dec 31, 2025 | UBS GROUP AG | 0.29% | 35.79K | 1.02M | -5.64K | -13.62% |
| Dec 31, 2025 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 0.27% | 33.83K | 964.24K | 2.98K | +9.66% |
| Dec 31, 2025 | ALYESKA INVESTMENT GROUP, L.P. | 0.26% | 32.83K | 935.71K | 14.12K | +75.48% |
| Dec 31, 2025 | TUDOR INVESTMENT CORP ET AL | 0.22% | 26.98K | 768.82K | 26.98K | +100.00% |
| Dec 31, 2025 | POLAR ASSET MANAGEMENT PARTNERS INC. | 0.21% | 26.09K | 743.51K | 26.09K | +100.00% |
| Dec 31, 2025 | BANK OF NEW YORK MELLON CORP | 0.09% | 10.82K | 308.31K | -235 | -2.13% |
| Sep 30, 2025 | CITADEL ADVISORS LLC | 0.48% | 60K | 1.8M | 60K | +100.00% |
| Sep 30, 2025 | JPMORGAN CHASE & CO | 0.02% | 1.88K | 56.16K | 1.88K | +100.00% |
| Sep 30, 2025 | MIRAE ASSET GLOBAL ETFS HOLDINGS LTD. | 0.02% | 2.17K | 64.81K | 2.17K | +100.00% |
| Sep 30, 2025 | SBI SECURITIES CO., LTD. | 0.03% | 3.38K | 101.04K | 3.38K | +100.00% |
| Sep 30, 2025 | RHUMBLINE ADVISERS | 0.03% | 3.98K | 119.17K | 3.98K | +100.00% |
| Sep 30, 2025 | ROYAL BANK OF CANADA | 0.04% | 4.77K | 143K | 4.77K | +100.00% |
| Sep 30, 2025 | BANK OF AMERICA CORP /DE/ | 0.05% | 5.91K | 176.89K | 5.91K | +100.00% |
| Sep 30, 2025 | BARCLAYS PLC | 0.05% | 6.57K | 196.51K | 6.57K | +100.00% |
| Sep 30, 2025 | KINGSWOOD WEALTH ADVISORS, LLC | 0.06% | 6.9K | 206.45K | 6.9K | +100.00% |
| Sep 30, 2025 | TWO SIGMA INVESTMENTS, LP | 0.06% | 7.47K | 223.38K | 7.47K | +100.00% |
| Sep 30, 2025 | MORGAN STANLEY | 0.07% | 8.71K | 260.63K | 8.71K | +100.00% |
| Sep 30, 2025 | FIRST EAGLE INVESTMENT MANAGEMENT, LLC | 0.47% | 58.9K | 1.76M | 58.9K | +100.00% |
| Sep 30, 2025 | MAVERICK CAPITAL LTD | 0.48% | 59.25K | 1.77M | 59.25K | +100.00% |
| Sep 30, 2025 | SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC | 0.75% | 93.6K | 2.8M | 93.6K | +100.00% |
| Sep 30, 2025 | GILDER GAGNON HOWE & CO LLC | 0.77% | 95.75K | 2.86M | 95.75K | +100.00% |
| Sep 30, 2025 | WASATCH ADVISORS LP | 1.17% | 145.43K | 4.35M | 145.43K | +100.00% |
| Sep 30, 2025 | SOFTBANK GROUP CORP. | 1.19% | 148.94K | 4.46M | 148.94K | +100.00% |
| Sep 30, 2025 | FORTRESS INVESTMENT GROUP LLC | 1.2% | 150K | 4.49M | 150K | +100.00% |
| Sep 30, 2025 | QUARRY LP | 0% | 18 | 539 | 18 | +100.00% |
| Sep 30, 2025 | MASSMUTUAL TRUST CO FSB/ADV | 0% | 58 | 1.74K | 58 | +100.00% |
| Sep 30, 2025 | STERLING CAPITAL MANAGEMENT LLC | 0% | 122 | 3.65K | 122 | +100.00% |
| Sep 30, 2025 | HURLEY CAPITAL, LLC | 0% | 200 | 5.98K | 200 | +100.00% |
| Sep 30, 2025 | TOWER RESEARCH CAPITAL LLC (TRC) | 0.01% | 988 | 29.56K | 988 | +100.00% |
| Sep 30, 2025 | WHITTIER TRUST CO OF NEVADA INC | 0.01% | 1K | 29.83K | 1K | +100.00% |
| Sep 30, 2025 | POLICE & FIREMEN'S RETIREMENT SYSTEM OF NEW JERSEY | 0.01% | 1.03K | 30.67K | 1.03K | +100.00% |
| Sep 30, 2025 | ADVISOR GROUP HOLDINGS, INC. | 0.01% | 1.85K | 56.09K | 1.85K | +100.00% |
| Sep 30, 2025 | FREESTONE GROVE PARTNERS LP | 0.16% | 20K | 598.4K | 20K | +100.00% |
| Sep 30, 2025 | GHISALLO CAPITAL MANAGEMENT LLC | 0.16% | 20K | 598.4K | 20K | +100.00% |
| Sep 30, 2025 | WALLEYE CAPITAL LLC | 0.09% | 11.56K | 345.73K | 11.56K | +100.00% |
| Sep 30, 2025 | MONASHEE INVESTMENT MANAGEMENT LLC | 1.6% | 200K | 5.98M | 200K | +100.00% |
| Sep 30, 2025 | SCHONFELD STRATEGIC ADVISORS LLC | 2.2% | 274.09K | 8.2M | 274.09K | +100.00% |
| Sep 30, 2025 | INSPIRE INVESTING, LLC | 0.12% | 15.08K | 451.07K | 15.08K | +100.00% |
| Sep 30, 2025 | KORNITZER CAPITAL MANAGEMENT INC /KS | 0.14% | 17K | 508.64K | 17K | +100.00% |
| Sep 30, 2025 | GLOBAL RETIREMENT PARTNERS, LLC | 0.1% | 12K | 358.92K | 12K | +100.00% |
| Sep 30, 2025 | VANGUARD GROUP INC | 2.47% | 307.84K | 9.21M | 307.84K | +100.00% |
| Sep 30, 2025 | KADENSA CAPITAL LTD | 3.17% | 394.99K | 11.82M | 394.99K | +100.00% |
| Sep 30, 2025 | ALLIANCEBERNSTEIN L.P. | 3.5% | 436.15K | 13.05M | 436.15K | +100.00% |
| Sep 30, 2025 | ATREIDES MANAGEMENT, LP | 5.49% | 684.31K | 20.47M | 684.31K | +100.00% |
| Sep 30, 2025 | ALYESKA INVESTMENT GROUP, L.P. | 0.15% | 18.71K | 559.8K | 18.71K | +100.00% |
| Sep 30, 2025 | BLACKSTONE INC. | 0.16% | 20K | 598.4K | 20K | +100.00% |
| Sep 30, 2025 | HOUND PARTNERS, LLC | 0.16% | 20K | 598.4K | 20K | +100.00% |
| Sep 30, 2025 | GEODE CAPITAL MANAGEMENT, LLC | 0.79% | 98.03K | 2.93M | 98.03K | +100.00% |
| Sep 30, 2025 | LMR PARTNERS LLP | 0.32% | 39.85K | 1.19M | 39.85K | +100.00% |
| Sep 30, 2025 | SEVEN GRAND MANAGERS, LLC | 0.4% | 50K | 1.5M | 50K | +100.00% |
| Sep 30, 2025 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 0.25% | 30.85K | 923.09K | 30.85K | +100.00% |
| Sep 30, 2025 | STATE STREET CORP | 0.58% | 72.3K | 2.16M | 72.3K | +100.00% |
| Sep 30, 2025 | SILVERCREST ASSET MANAGEMENT GROUP LLC | 1.51% | 188.69K | 5.65M | 188.69K | +100.00% |
| Sep 30, 2025 | SQUAREPOINT OPS LLC | 0.07% | 9.25K | 276.64K | 9.25K | +100.00% |
| Sep 30, 2025 | D. E. SHAW & CO., INC. | 0.12% | 15.17K | 453.86K | 15.17K | +100.00% |
| Sep 30, 2025 | NORTHERN TRUST CORP | 0.27% | 33.97K | 1.02M | 33.97K | +100.00% |
| Sep 30, 2025 | PEAK6 LLC | 0.32% | 40K | 1.2M | 40K | +100.00% |
| Sep 30, 2025 | BANK OF NEW YORK MELLON CORP | 0.09% | 11.05K | 330.71K | 11.05K | +100.00% |
| Sep 30, 2025 | XTX TOPCO LTD | 0.21% | 26.66K | 797.73K | 26.66K | +100.00% |
| Sep 30, 2025 | GOLDMAN SACHS GROUP INC | 0.97% | 121.4K | 3.63M | 121.4K | +100.00% |
| Sep 30, 2025 | BLACKROCK, INC. | 2.34% | 291.88K | 8.73M | 291.88K | +100.00% |
| Sep 30, 2025 | READYSTATE ASSET MANAGEMENT LP | 0.17% | 21.5K | 643.28K | 21.5K | +100.00% |
| Sep 30, 2025 | VERITION FUND MANAGEMENT LLC | 0.24% | 29.57K | 884.79K | 29.57K | +100.00% |
| Sep 30, 2025 | AMERIPRISE FINANCIAL INC | 0.18% | 22.63K | 677K | 22.63K | +100.00% |
Among the AMBQ insiders holding of 5.07% of the stake in company, ESAKA FUMIHIDE, Chief Executive Officer, holds the largest shares of 460.46K. HANSON SCOTT MCLEAN, Chief Technology Officer, is the second largest AMBQ insider with ownership of 221.23K shares. CHEN SEAN CHIHHSIANG, President and COO, stands third with possession of 120.28K shares of that stake.
| Insiders | Designation | Shares Held |
|---|---|---|
| ESAKA FUMIHIDE | Chief Executive Officer | 460.46K |
| HANSON SCOTT MCLEAN | Chief Technology Officer | 221.23K |
| CHEN SEAN CHIHHSIANG | President and COO | 120.28K |
| WINZELER JEFFREY G | Chief Financial Officer | 94.4K |
| CONNORS MICHELE KIM | General Counsel | 60.55K |
| TAUTGES JOSEPH A | director | 48.75K |
| CHEN TIMOTHY | director | 0 |
| Date | Insider | Type | Cost | Shares | Value ($) | Shares Total |
|---|---|---|---|---|---|---|
| Sep 02, 2026 | ESAKA FUMIHIDE | SALE | 56.77 | 9.58K | 543.57K | 460.46K |
| Sep 01, 2026 | ESAKA FUMIHIDE | SALE | 56.39 | 48.97K | 2.76M | 460.46K |
| Aug 31, 2026 | ESAKA FUMIHIDE | SALE | 58.52 | 2.1K | 122.89K | 451.19K |
| Aug 27, 2026 | HANSON SCOTT MCLEAN | SALE | 60.32 | 4.91K | 296.18K | 221.23K |
| Aug 26, 2026 | HANSON SCOTT MCLEAN | SALE | 59.58 | 27.5K | 1.64M | 221.23K |
| Aug 14, 2026 | HANSON SCOTT MCLEAN | SALE | 65.30 | 800 | 52.24K | 211.23K |
| Aug 14, 2026 | ESAKA FUMIHIDE | SALE | 65.26 | 1.5K | 97.89K | 451.19K |
| May 27, 2026 | CHEN TIMOTHY | SALE | 81.57 | 3.26K | 266.24K | 0 |
| May 15, 2026 | CHEN SEAN CHIHHSIANG | SALE | 71.37 | 23.33K | 1.67M | 120.28K |
| May 14, 2026 | ESAKA FUMIHIDE | SALE | 70.02 | 60K | 4.2M | 391.19K |
| May 14, 2026 | HANSON SCOTT MCLEAN | SALE | 70.50 | 200 | 14.1K | 203.13K |
| May 14, 2026 | WINZELER JEFFREY G | SALE | 70.65 | 82 | 5.79K | 94.4K |
| Apr 02, 2026 | CONNORS MICHELE KIM | SALE | 26.65 | 151 | 4.02K | 60.55K |
| Jan 26, 2026 | TAUTGES JOSEPH A | SALE | 31.00 | 7.8K | 241.8K | 48.75K |
| Jan 26, 2026 | HANSON SCOTT MCLEAN | SALE | 31.00 | 10K | 310K | 122.82K |