Ambiq Micro AMBQ Institutional Ownership

NYSE AMBQ

$63.50 +2.81 (+4.63%)

At close: Sep 11, 2026 · 4:00 PM EDT

Institutions by Trading Activity

185 Institutions

Increased 149 80.5%

Unchanged 4 2.2%

Reduced 32 17.3%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

127.13%

▲+70.92 pp QoQ

Shares Held by Institutions

27.64Mn

of 21.74Mn outstanding

▲+150.40% QoQ

Shares Outstanding

21.74Mn

-5.90Mn held outside 13F filers

Institutional Investors

185

filed 13F for Jun 2026

▲+88 vs prior quarter

Net Shares Added (QoQ)

+16.60Mn

accumulated since last quarter

Value of Holdings

$1.76Bn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Quarter ending 30 Jun, 2026

Ambiq Micro, Inc. (NYSE:AMBQ) showed up in the 13F filings of 185 institutional investors as of June 2026.

These investors held 127.1% of outstanding shares in June 2026, up from 56.2% in March 2026.
Their total shares held in AMBQ increased 150.4% quarter over quarter, and separately, investors owning Ambiq Micro stayed flat from a year ago.
Among the 185 funds, 149 bought more Ambiq Micro shares, 32 sold down, and 4 held their ground.
Combined, these investors held 27.64Mn shares in AMBQ for June 2026, up by 16.6Mn shares quarter on quarter, and with no net change year over year.
MANUFACTURERS LIFE INSURANCE COMPANY, THE holds the largest position in AMBQ at 10.3Mn shares as of June 30, 2026, or 47.38% of shares outstanding.
Leading buyers of Ambiq Micro shares for the quarter ending June 2026 were MANUFACTURERS LIFE INSURANCE COMPANY, THE (10.3Mn), D. E. Shaw & Co., Inc. (983.92K), TWO SIGMA INVESTMENTS, LP (614.99K), State Street Corp (601.75K), BlackRock, Inc. (367.46K).
The largest sellers of Ambiq Micro for the quarter ending June 2026 were Schonfeld Strategic Advisors LLC (341.1K), Franklin Templeton Inc (318.45K), First Eagle Investment Management, LLC (313.75K), S SQUARED TECHNOLOGY, LLC (264.77K), T. Rowe Price Investment Management, Inc. (261.19K).
Ambiq Micro's 10 largest shareholders as of June 2026 include MANUFACTURERS LIFE INSURANCE COMPANY, THE (10.3Mn), BlackRock, Inc. (1.38Mn), T. Rowe Price Investment Management, Inc. (1.01Mn), D. E. Shaw & Co., Inc. (983.92K), Atreides Management, LP (877.12K), State Street Corp (861.98K), VANGUARD CAPITAL MANAGEMENT LLC (768.54K), TWO SIGMA INVESTMENTS, LP (651.79K), ALLIANCEBERNSTEIN L.P. (609.61K), Goldman Sachs Group Inc (446.95K) per Business Quant data.

Form 13F Holdings

185 Institutional Holders

Report period 30 Jun, 2026

Total shares held 27.64Mn

Of outstanding 127.13%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	MANUFACTURERS LIFE INSURANCE COMPANY, THE	0000928047	10,302,563	47.38%	▲10,302,563	0.00%	$434.08K
2	BlackRock, Inc.	0002012383	1,380,623	6.35%	▲367,462	+36.27%	$121.91Mn
3	T. Rowe Price Investment Management, Inc.	0001897612	1,006,359	4.63%	▼261,192	-20.61%	$88.86K
4	D. E. Shaw & Co., Inc.	0001009207	983,916	4.53%	▲983,916	0.00%	$86.88Mn
5	Atreides Management, LP	0001777813	877,123	4.03%	▲14,948	+1.73%	$77.45Mn
6	State Street Corp	0000093751	861,979	3.96%	▲601,752	+231.24%	$76.11Mn
7	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	768,539	3.53%	▲61,135	+8.64%	$67.86Mn
8	TWO SIGMA INVESTMENTS, LP	0001179392	651,786	3.00%	▲614,992	+1,671.45%	$57.55Mn
9	ALLIANCEBERNSTEIN L.P.	0001109448	609,607	2.80%	▼76,491	-11.15%	$15.49Mn
10	Goldman Sachs Group Inc	0000886982	446,950	2.06%	▲33,524	+8.11%	$39.47Mn
11	GEODE CAPITAL MANAGEMENT, LLC	0001214717	339,327	1.56%	▲41,779	+14.04%	$29.97Mn
12	NEEDHAM INVESTMENT MANAGEMENT LLC	0001167212	323,700	1.49%	▲123,700	+61.85%	$28.58Mn
13	Schonfeld Strategic Advisors LLC	0001665241	315,455	1.45%	▼341,097	-51.95%	$27.85Mn
14	SILVERCREST ASSET MANAGEMENT GROUP LLC	0001232395	309,096	1.42%	▲26,723	+9.46%	$27.29Mn
15	JANE STREET GROUP, LLC	0001595888	294,802	1.36%	▲294,802	0.00%	$26.03Mn
16	MILLENNIUM MANAGEMENT LLC	0001273087	289,206	1.33%	▲111,650	+62.88%	$25.54Mn
17	DRIEHAUS CAPITAL MANAGEMENT LLC	0000938206	288,979	1.33%	▼91,789	-24.11%	$25.52Mn
18	Neuberger Berman Group LLC	0001465109	272,126	1.25%	▲272,126	0.00%	$24.03Mn
19	First Eagle Investment Management, LLC	0001325447	244,394	1.12%	▼313,752	-56.21%	$21.58Mn
20	EMERALD ADVISERS, LLC	0001015083	243,664	1.12%	▲243,664	0.00%	$21.52Mn

Showing 1 to 20 of 185 holders