Ambarella AMBA Institutional Ownership

NASDAQ AMBA

$63.12 -2.88 (-4.36%)

At close: Oct 22, 2026 · 4:00 PM EDT

Institutions by Trading Activity

337 Institutions

Increased 203 60.2%

Unchanged 45 13.4%

Reduced 89 26.4%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

81.74%

▼-2.32 pp QoQ

Shares Held by Institutions

35.85Mn

of 43.86Mn outstanding

▼-1.51% QoQ

Shares Outstanding

43.86Mn

8.01Mn held outside 13F filers

Institutional Investors

337

filed 13F for Jun 2026

▲+35 vs prior quarter

Net Shares Added (QoQ)

-551.30K

distributed since last quarter

Value of Holdings

$2.26Bn

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

Updated Oct 11, 2026

Ambarella Inc (NASDAQ:AMBA) was reported as a holding by 337 institutional investors in 13F filings for the quarter ended June 30, 2026.

Their combined stake equaled 81.74% of outstanding shares in Q2 2026, down from 84.07% in Q1 2026.
Total shares held in Ambarella fell 1.51% versus Q1 2026, while the number of holders rose 13.09% versus Q2 2025.
Of these 337 holders, 203 added to their positions, 89 reduced their stakes and 45 left their positions unchanged.
Altogether, institutional holders owned 35.85Mn AMBA shares at the end of Q2 2026, down 551.3K from the prior quarter and up 2.57Mn from a year earlier.
As of June 30, 2026, the biggest holder of Ambarella was BlackRock, Inc. with 3.94Mn shares, or 8.99% of shares outstanding.
Holders that added the most shares of Ambarella in Q2 2026 were T. Rowe Price Associates Inc (+1.65Mn shares), State Street Corp (+586.27K shares), D. E. Shaw & Co., Inc. (+269.92K shares), T. Rowe Price Investment Management, Inc. (+255.77K shares) and Stephens Investment Management Group LLC (+246.57K shares).
On the other side, among holders that kept a position in Ambarella, the largest reductions in Q2 2026 came from Millennium Management LLC (-1.47Mn shares), Point72 Asset Management, L.P. (-403.27K shares), Manufacturers Life Insurance Company, The (-399.54K shares), JPMorgan Chase & Co (-362.5K shares) and Handelsbanken Fonder AB (-262.29K shares).
Business Quant data shows the 10 biggest positions in Ambarella as of Q2 2026 were held by BlackRock, Inc. (3.94Mn shares), Vanguard Portfolio Management LLC (3.69Mn shares), T. Rowe Price Associates Inc (2.6Mn shares), State Street Corp (2.56Mn shares), Vanguard Capital Management LLC (1.87Mn shares), Manufacturers Life Insurance Company, The (1.19Mn shares), Legal & General Group PLC (1.12Mn shares), Geode Capital Management, LLC (1.1Mn shares), Menora Mivtachim Holdings LTD. (757.57K shares) and Stephens Investment Management Group LLC (721.71K shares).

Form 13F Holdings

337 Institutional Holders

Report period 30 Jun, 2026

Total shares held 35.85Mn

Of outstanding 81.74%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	BlackRock, Inc.	0002012383	3,944,592	8.99%	▲155,377	+4.10%	$338.45Mn
2	VANGUARD PORTFOLIO MANAGEMENT LLC	0002100121	3,688,405	8.41%	▼28,458	-0.77%	$316.47Mn
3	PRICE T ROWE ASSOCIATES INC /MD/	0000080255	2,598,976	5.93%	▲1,646,661	+172.91%	$222.99K
4	State Street Corp	0000093751	2,562,733	5.84%	▲586,269	+29.66%	$219.88Mn
5	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	1,873,539	4.27%	▲58,936	+3.25%	$160.75Mn
6	MANUFACTURERS LIFE INSURANCE COMPANY, THE	0000928047	1,186,541	2.71%	▼399,541	-25.19%	$158.19Mn
7	Legal & General Group Plc	0000764068	1,116,729	2.55%	▲190,333	+20.55%	$95.82Mn
8	GEODE CAPITAL MANAGEMENT, LLC	0001214717	1,098,120	2.50%	▲68,891	+6.69%	$94.24Mn
9	MENORA MIVTACHIM HOLDINGS LTD.	0001351917	757,571	1.73%	▲757,571	0.00%	$65.00Mn
10	Stephens Investment Management Group LLC	0001314440	721,711	1.65%	▲246,570	+51.89%	$61.92Mn
11	DIMENSIONAL FUND ADVISORS LP	0000354204	718,154	1.64%	▲79,567	+12.46%	$61.57Mn
12	Connor, Clark & Lunn Investment Management Ltd.	0001596800	685,726	1.56%	▲85,220	+14.19%	$58.84Mn
13	EXCHANGE TRADED CONCEPTS, LLC	0001457320	630,697	1.44%	▲59,117	+10.34%	$54.11Mn
14	Morgan Stanley	0000895421	611,551	1.39%	▼113,104	-15.61%	$52.47Mn
15	MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.	0001705339	562,013	1.28%	▲20,112	+3.71%	$47.06Mn
16	D. E. Shaw & Co., Inc.	0001009207	515,084	1.17%	▲269,919	+110.10%	$44.19Mn
17	T. Rowe Price Investment Management, Inc.	0001897612	513,569	1.17%	▲255,769	+99.21%	$44.07K
18	JACOBS LEVY EQUITY MANAGEMENT, INC	0000884414	504,409	1.15%	▲139,980	+38.41%	$43.28Mn
19	AQR CAPITAL MANAGEMENT LLC	0001167557	495,583	1.13%	▼232	-0.05%	$42.52Mn
20	Nuveen, LLC	0001871926	439,002	1.00%	▼48,818	-10.01%	$37.67Mn

Showing 1 to 20 of 337 holders