Ambarella AMBA Institutional Ownership

NASDAQ AMBA

$73.73 +1.28 (+1.77%)

At close: Aug 21, 2026 · 4:00 PM EDT

Institutions by Trading Activity

297 Institutions

Increased 169 56.9%

Unchanged 45 15.2%

Reduced 83 27.9%

Ownership Statistics

13F · as of 31 Mar, 2026

Institutional Ownership

191,513.65%

▲+191,426.78 pp QoQ

Shares Held by Institutions

36.39Mn

of 19.00K outstanding

▲+40.57% QoQ

Shares Outstanding

19.00K

-36.37Mn held outside 13F filers

Institutional Investors

297

filed 13F for Mar 2026

▼-19 vs prior quarter

Net Shares Added (QoQ)

+10.50Mn

accumulated since last quarter

Value of Holdings

$2.72Bn

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 31 Mar, 2026

Ambarella Inc (NASDAQ:AMBA) is held by 297 institutional investors per 13F filings through March 2026.

They owned 191513.7% of outstanding stock in March 2026, up from 86.9% the prior quarter.
They increased total shares held in AMBA by 40.57% quarter over quarter, and investors in Ambarella decreased 0.67% from a year ago.
During the quarter, 169 of these 297 funds increased positions in AMBA, 83 reduced exposure, and 45 held steady.
The aggregate institutional position in Ambarella amounted to 36.39Mn shares as of March 2026, up by 10.5Mn shares quarter on quarter, and down 740.13K shares year over year.
BlackRock, Inc. is the top holder of Ambarella as of March 31, 2026, with 3.79Mn shares representing 19943.24% of outstanding stock.
The biggest buyers of Ambarella for the quarter ending March 2026 included VANGUARD PORTFOLIO MANAGEMENT LLC (3.72Mn), VANGUARD CAPITAL MANAGEMENT LLC (1.81Mn), MILLENNIUM MANAGEMENT LLC (1.34Mn), PRICE T ROWE ASSOCIATES INC /MD/ (952.32K), FIFTHDELTA Ltd (546.54K).
Leading sellers of Ambarella shares for the quarter ending March 2026 were Barclays Plc (679.42K), Squarepoint Ops LLC (333.16K), OBERWEIS ASSET MANAGEMENT INC/ (322.68K), UBS Group AG (321.52K), Point72 Asset Management, L.P. (250.82K).
Business Quant data shows the 10 biggest positions in Ambarella as of March 2026 are held by BlackRock, Inc. (3.79Mn), VANGUARD PORTFOLIO MANAGEMENT LLC (3.72Mn), State Street Corp (1.98Mn), VANGUARD CAPITAL MANAGEMENT LLC (1.81Mn), MANUFACTURERS LIFE INSURANCE COMPANY, THE (1.59Mn), MILLENNIUM MANAGEMENT LLC (1.51Mn), GEODE CAPITAL MANAGEMENT, LLC (1.03Mn), PRICE T ROWE ASSOCIATES INC /MD/ (952.32K), CITADEL ADVISORS LLC (931.86K), Legal & General Group Plc (926.4K).

Form 13F Holdings

297 Institutional Holders

Report period 31 Mar, 2026

Total shares held 36.39Mn

Of outstanding 191,513.65%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	BlackRock, Inc.	0002012383	3,789,215	19,943.24%	▼38,634	-1.01%	$195.05Mn
2	VANGUARD PORTFOLIO MANAGEMENT LLC	0002100121	3,716,863	19,562.44%	▲3,716,863	0.00%	$191.33Mn
3	State Street Corp	0000093751	1,976,464	10,402.44%	▲273,971	+16.09%	$101.74Mn
4	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	1,814,603	9,550.54%	▲1,814,603	0.00%	$93.41Mn
5	MANUFACTURERS LIFE INSURANCE COMPANY, THE	0000928047	1,586,082	8,347.80%	▲524,937	+49.47%	$81.64Mn
6	MILLENNIUM MANAGEMENT LLC	0001273087	1,512,539	7,960.73%	▲1,342,687	+790.50%	$77.86Mn
7	GEODE CAPITAL MANAGEMENT, LLC	0001214717	1,029,229	5,416.99%	▲8,702	+0.85%	$52.99Mn
8	PRICE T ROWE ASSOCIATES INC /MD/	0000080255	952,315	5,012.18%	▲952,315	0.00%	$49.02K
9	CITADEL ADVISORS LLC	0001423053	931,862	4,904.54%	▲396,188	+73.96%	$47.97Mn
10	Legal & General Group Plc	0000764068	926,396	4,875.77%	▲312,379	+50.87%	$47.69Mn
11	Morgan Stanley	0000895421	724,655	3,813.97%	▼186,822	-20.50%	$37.30Mn
12	DIMENSIONAL FUND ADVISORS LP	0000354204	638,587	3,360.98%	▲139,928	+28.06%	$32.87Mn
13	Connor, Clark & Lunn Investment Management Ltd.	0001596800	600,506	3,160.56%	▲43,347	+7.78%	$30.91Mn
14	EXCHANGE TRADED CONCEPTS, LLC	0001457320	571,580	3,008.32%	▲218,479	+61.87%	$29.42Mn
15	FIFTHDELTA Ltd	0001872766	546,538	2,876.52%	▲546,538	0.00%	$28.13Mn
16	MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.	0001705339	541,901	2,852.11%	▲103,732	+23.67%	$27.72Mn
17	Point72 Asset Management, L.P.	0001603466	521,211	2,743.22%	▼250,822	-32.49%	$26.83Mn
18	AQR CAPITAL MANAGEMENT LLC	0001167557	495,815	2,609.55%	▲259,968	+110.23%	$25.52Mn
19	Nuveen, LLC	0001871926	487,820	2,567.47%	▲10,922	+2.29%	$25.11Mn
20	Bank Of America Corp /De/	0000070858	481,758	2,535.57%	▲34,843	+7.80%	$24.80Mn

Showing 1 to 20 of 297 holders