AMBQ Institutional Ownership & Shareholders
AMBIQ MICRO INC (AMBQ) is currently held by 186 institutional investors tracked by InsiderSet, with a combined reported market value of approximately $1.44B based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of AMBQ tracked by InsiderSet, reporting ownership valued at approximately $121.91M in its June 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $59.79M, representing an estimated loss of -50.95% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 47% of the total disclosed AMBQ value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., T. Rowe Price Investment Management, Inc., D. E. Shaw & Co., Inc., and several other long-term asset managers with concentrated positions in AMBIQ MICRO INC (AMBQ).
This page ranks the largest institutional AMBQ shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
186
Total Reported Value
$1.44B
Largest Holder
Blackrock, Inc.
Largest Position
$121.91M
Insider Transactions (90d)
31
Latest Filing Quarter
Q2 2026
New Institutional Positions
146
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.00% | 1,380,623 | $121,909,012 | $59,794,782 | -$62,114,230 | -50.95% | |
| T. Rowe Price Investment Management, Inc. | 0.06% | 1,006,359 | $88,862,000 | $43,585,408 | -$45,276,592 | -50.95% | |
| D. E. Shaw & Co., Inc. | 0.05% | 983,916 | $86,879,783 | $42,613,402 | -$44,266,381 | -50.95% | |
| Atreides Management, Lp | 0.69% | 877,123 | $77,449,961 | $37,988,197 | -$39,461,764 | -50.95% | |
| State Street Corp | 0.00% | 861,979 | $76,112,746 | $37,332,310 | -$38,780,436 | -50.95% | |
| Vanguard Capital Management Llc | 0.00% | 768,539 | $67,861,994 | $33,285,424 | -$34,576,570 | -50.95% | |
| Two Sigma Investments, Lp | 0.04% | 651,786 | $57,552,704 | $28,228,852 | -$29,323,852 | -50.95% | |
| Goldman Sachs Group Inc | 0.00% | 446,950 | $39,465,686 | $19,357,405 | -$20,108,282 | -50.95% | |
| Geode Capital Management, Llc | 0.00% | 339,327 | $29,967,042 | $14,696,252 | -$15,270,790 | -50.96% | |
| Needham Investment Management Llc | 0.86% | 323,700 | $28,582,710 | $14,019,447 | -$14,563,263 | -50.95% | |
| Schonfeld Strategic Advisors Llc | 0.15% | 315,455 | $27,854,676 | $13,662,356 | -$14,192,320 | -50.95% | |
| Silvercrest Asset Management Group Llc | 0.18% | 309,096 | $27,293,177 | $13,386,948 | -$13,906,229 | -50.95% | |
| Jane Street Group, Llc | 0.02% | 294,802 | $26,031,016 | $12,767,875 | -$13,263,141 | -50.95% | |
| Millennium Management Llc | 0.02% | 289,206 | $25,536,890 | $12,525,512 | -$13,011,378 | -50.95% | |
| Driehaus Capital Management Llc | 0.15% | 288,979 | $25,516,846 | $12,515,680 | -$13,001,166 | -50.95% | |
| First Eagle U.S. Value | Jean-Marie Eveillard | 0.04% | 244,394 | $21,579,990 | $10,584,704 | -$10,995,286 | -50.95% |
| Emerald Advisers, Llc | 0.51% | 243,664 | $21,515,531 | $10,553,088 | -$10,962,443 | -50.95% | |
| Hrt Financial Lp | 0.04% | 225,639 | $19,923,000 | $9,772,425 | -$10,150,575 | -50.95% | |
| Voloridge Investment Management, Llc | 0.08% | 223,276 | $19,715,271 | $9,670,084 | -$10,045,187 | -50.95% | |
| Cooper Creek Partners Management Llc | 0.81% | 220,000 | $19,426,000 | $9,528,200 | -$9,897,800 | -50.95% | |
| Renaissance Technologies LLC | Jim Simons | 0.03% | 214,756 | $18,962,955 | $9,301,082 | -$9,661,873 | -50.95% |
| Walleye Capital Llc | 0.09% | 214,528 | $18,942,822 | $9,291,208 | -$9,651,614 | -50.95% | |
| Bnp Paribas Financial Markets | 0.01% | 204,181 | $18,029,182 | $8,843,079 | -$9,186,103 | -50.95% | |
| Bank Of America Corp | 0.00% | 203,273 | $17,949,006 | $8,803,754 | -$9,145,252 | -50.95% | |
| Jpmorgan Chase & Co | 0.00% | 200,790 | $17,077,190 | $8,696,215 | -$8,380,975 | -49.08% | |
| Morgan Stanley | 0.00% | 182,007 | $16,071,228 | $7,882,723 | -$8,188,505 | -50.95% | |
| Alliancebernstein L.P. | 0.01% | 609,607 | $15,490,114 | $26,402,079 | +$10,911,965 | +70.44% | |
| Vanguard Portfolio Management Llc | 0.00% | 169,890 | $15,001,287 | $7,357,936 | -$7,643,351 | -50.95% | |
| Wellington Management Group Llp | 0.00% | 168,139 | $14,846,674 | $7,282,100 | -$7,564,574 | -50.95% | |
| Deutsche Bank Ag\ | 0.00% | 165,367 | $14,601,906 | $7,162,045 | -$7,439,861 | -50.95% | |
| Gilder Gagnon Howe & Co Llc | 0.15% | 159,623 | $14,094,711 | $6,913,272 | -$7,181,439 | -50.95% | |
| Emerald Mutual Fund Advisers Trust | 0.49% | 159,131 | $14,051,267 | $6,891,964 | -$7,159,303 | -50.95% | |
| Price T Rowe Associates Inc | 0.00% | 156,906 | $13,856,000 | $6,795,599 | -$7,060,401 | -50.96% | |
| Softbank Group Corp. | 0.07% | 148,939 | $13,151,314 | $6,450,548 | -$6,700,766 | -50.95% | |
| Nuveen, Llc | 0.00% | 138,965 | $12,270,610 | $6,018,574 | -$6,252,036 | -50.95% | |
| Northern Trust Corp | 0.00% | 130,802 | $11,549,817 | $5,665,035 | -$5,884,782 | -50.95% | |
| Healthcare Of Ontario Pension Plan Trust Fund | 0.02% | 126,029 | $11,128,361 | $5,458,316 | -$5,670,045 | -50.95% | |
| Citadel Advisors Llc | 0.01% | 122,425 | $10,810,127 | $5,302,227 | -$5,507,900 | -50.95% | |
| Hood River Capital Management Llc | 0.08% | 121,738 | $10,749,465 | $5,272,473 | -$5,476,992 | -50.95% | |
| S Squared Technology, Llc | 3.31% | 120,773 | $10,664,256 | $5,230,679 | -$5,433,577 | -50.95% | |
| Lord, Abbett & Co. Llc | 0.03% | 118,432 | $10,458,000 | $5,129,290 | -$5,328,710 | -50.95% | |
| Marshall Wace, Llp | 0.01% | 109,488 | $9,667,791 | $4,741,925 | -$4,925,866 | -50.95% | |
| Barclays Plc | 0.00% | 99,686 | $8,802,274 | $4,317,401 | -$4,484,873 | -50.95% | |
| Wasatch Advisors Lp | 0.06% | 127,635 | $8,700,878 | $5,527,872 | -$3,173,006 | -36.47% | |
| Charles Schwab Investment Management Inc | 0.00% | 98,449 | $8,693,047 | $4,263,826 | -$4,429,221 | -50.95% | |
| Exchange Traded Concepts, Llc | 0.03% | 111,002 | $7,567,006 | $4,807,497 | -$2,759,509 | -36.47% | |
| Vanguard Fiduciary Trust Co | 0.00% | 83,127 | $7,340,114 | $3,600,230 | -$3,739,884 | -50.95% | |
| Acadian Asset Management Llc | 0.01% | 78,902 | $6,963,000 | $3,417,246 | -$3,545,754 | -50.92% | |
| Point72 Asset Management, L.P. | 0.01% | 77,165 | $6,813,670 | $3,342,016 | -$3,471,654 | -50.95% | |
| Voleon Capital Management Lp | 0.12% | 75,980 | $6,709,034 | $3,290,694 | -$3,418,340 | -50.95% |
Frequently asked questions about AMBQ
Who are the largest institutional holders of AMBQ?
The largest institutional holders of AMBQ reported in the latest SEC Form 13F filings include Blackrock, Inc., T. Rowe Price Investment Management, Inc., D. E. Shaw & Co., Inc., Atreides Management, Lp, and State Street Corp. InsiderSet ranks institutional holders by their latest reported AMBQ position.
What is AMBQ institutional ownership?
This page tracks AMBQ positions reported by institutional investment managers through SEC Form 13F. AMBIQ MICRO INC (AMBQ) institutional ownership on InsiderSet reflects disclosed 13F holdings among the managers we analyze, not every shareholder of the stock.
How many institutions own AMBQ?
InsiderSet currently tracks 186 institutional managers reporting AMBQ holdings in the latest available 13F data. This count reflects institutions included in the SEC Form 13F filings analyzed by InsiderSet and should not be interpreted as the total number of AMBQ shareholders.
How much AMBQ stock do institutions own?
Institutional investment managers disclosed approximately $1.44B in AMBQ holdings for Q2 2026. This figure is reported 13F value as of the filing period, not necessarily today's market value.
When was AMBQ institutional ownership last updated?
The latest AMBQ institutional ownership data on InsiderSet is based on SEC Form 13F filings for the quarter ended June 30, 2026. Form 13F filings are generally reported after the quarter ends, so the holdings shown represent the latest publicly disclosed positions rather than real-time institutional holdings.
Are institutional AMBQ holdings real-time?
No. Form 13F data is not real-time. It represents positions reported by institutional investment managers as of the end of the reporting quarter. An institution may have changed its AMBQ position after the reporting date.
Are institutions buying or selling AMBQ?
Institutional buying and selling can be analyzed by comparing AMBQ positions across consecutive 13F reporting periods. InsiderSet's AMBQ Ownership Changes page shows institutions that increased, reduced, initiated, or exited positions based on reported 13F holdings. View AMBQ ownership changes.
How has AMBQ institutional ownership changed over time?
InsiderSet tracks AMBQ institutional holdings across multiple 13F reporting periods, allowing investors to compare institutional holder counts, reported value, and reported shares over time.