Applied Optoelectronics, Inc. (AAOI) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

0Shares Outstanding

430,287Shares held by institutions

$36,626,029Value of institutional holdings

63.44%Institutional ownership %

40.54%Shares Changed QoQ

145No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Applied Optoelectronics, Inc. (NASDAQ:AAOI) has 211 institutional investors that have filed 13F reports for the period ending December 2025.

Collectively, these holders controlled 71.0% of Applied Optoelectronics's outstanding shares in December 2025, up from 64.1% in September 2025.
Their total shares held in AAOI increased 26.84% from the prior quarter, while the number of investors in Applied Optoelectronics increased 36.13% year over year.
Activity in AAOI broke down as 152 buyers, 46 sellers, and 13 unchanged among 211 total holders.
Altogether, these fund groups held 44.97Mn shares in AAOI by December 2025, up by 9.52Mn shares quarter on quarter, and up 11.57Mn shares year over year.
BlackRock, Inc. holds the largest position in AAOI at 5.31Mn shares as of December 31, 2025, or 8.38% of shares outstanding.
The largest buyers of Applied Optoelectronics for the quarter ending December 2025 were Invesco Ltd. (3.45Mn), JANE STREET GROUP, LLC (1.64Mn), D. E. Shaw & Co., Inc. (1.37Mn), Morgan Stanley (1.04Mn), BNP PARIBAS FINANCIAL MARKETS (944.19K).
The largest sales of AAOI for the quarter ending December 2025 came from Citigroup Inc (1.15Mn), TUDOR INVESTMENT CORP ET AL (802.78K), Goldman Sachs Group Inc (695.94K), SUSQUEHANNA INTERNATIONAL GROUP, LLP (693.75K), Bank Of America Corp /De/ (472.07K).
Business Quant data shows the 10 biggest positions in Applied Optoelectronics as of December 2025 are held by BlackRock, Inc. (5.31Mn), VANGUARD GROUP INC (4.98Mn), Invesco Ltd. (3.51Mn), OBERWEIS ASSET MANAGEMENT INC/ (2.04Mn), HAWK RIDGE CAPITAL MANAGEMENT LP (1.7Mn), Morgan Stanley (1.7Mn), JANE STREET GROUP, LLC (1.68Mn), State Street Corp (1.61Mn), GEODE CAPITAL MANAGEMENT, LLC (1.51Mn), D. E. Shaw & Co., Inc. (1.37Mn).

211 Institutional Holders

430,287 Total Shares Held

Rows:

Download Data

Owner Name	Date	Change (QoQ)	Change (%)	Value (USD)
BlackRock, Inc.	31 Dec, 2025	454,581	9.37%	$0.00
VANGUARD GROUP INC	31 Dec, 2025	358,090	7.74%	$0.00
HAWK RIDGE CAPITAL MANAGEMENT LP	31 Dec, 2025	875,903	106.17%	$0.00
Barclays Plc	31 Dec, 2025	-46,990	-16.62%	$0.00
Invesco Ltd.	31 Dec, 2025	3,446,150	5,208.89%	$0.00
UBS Group AG	31 Dec, 2025	-40,426	-4.08%	$0.00
Rockefeller Capital Management L.P.	31 Dec, 2025	198	99.00%	$0.00
OBERWEIS ASSET MANAGEMENT INC/	31 Dec, 2025	151,600	8.03%	$0.00
Steward Partners Investment Advisory, LLC	31 Dec, 2025	-1,280	-0.35%	$0.00
Morgan Stanley	31 Dec, 2025	1,038,775	157.13%	$0.00
Nuveen, LLC	31 Dec, 2025	31,859	16.47%	$0.00
JANE STREET GROUP, LLC	31 Dec, 2025	1,644,757	4,312.76%	$0.00
Squarepoint Ops LLC	31 Dec, 2025	86,522	81.14%	$0.00
State Street Corp	31 Dec, 2025	165,641	11.50%	$0.00
Allspring Global Investments Holdings, LLC	31 Dec, 2025	-31,828	-18.03%	$0.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	146,639	10.73%	$0.00
SCALAR GAUGE MANAGEMENT, LLC	31 Dec, 2025	137,000	0.00%	$0.00
D. E. Shaw & Co., Inc.	31 Dec, 2025	1,366,856	0.00%	$0.00
Roubaix Capital, LLC	31 Dec, 2025	108,275	0.00%	$0.00
Hood River Capital Management LLC	31 Dec, 2025	-300,002	-19.04%	$0.00

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