Stock Ownership/AAOI

APPLIED OPTOELEC (AAOI): Ownership & Insider Activity

Hedge funds and institutional managers reporting a position in AAOI · Information Technology. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.

Reported Holders
24
13F filers
Aggregate Value
$170.9M
Across holders
Last Price
$107.63
2026-08-24
Sector
Information Technology
GICS
Quarterly fund activity12 increased12 reduced5 exited
Full exits: VOLORIDGE INVESTMENT MANAGEMENT, LLC, Point72 Asset Management, L.P., RENAISSANCE TECHNOLOGIES LLC, Bridgewater Associates, LP, Parallax Volatility Advisers, L.P.
Institutional Holders of AAOI
↗
24 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
MARSHALL WACE, LLP
CIK 0001318757
Hedge Fund181K$26.9M15.7%0.0%Added+$20.5MQ2 2026
BALYASNY ASSET MANAGEMENT LLC
CIK 0001218710
Hedge Fund176K$26.0M15.2%0.0%Reduced+$26.0MQ2 2026
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
Hedge Fund126K$18.7M11.0%0.0%Added+$18.2MQ2 2026
Squarepoint Ops LLC
CIK 0001642575
Hedge Fund114K$17.0M9.9%0.0%Reduced$-56.5MQ2 2026
FRED ALGER MANAGEMENT, LLC
CIK 0000003520
Hedge Fund102K$15.1M8.8%0.1%Added—Q2 2026
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund73K$10.8M6.3%0.0%Reduced+$10.8MQ2 2026
AXIOM INVESTORS LLC /DE
CIK 0001109147
Hedge Fund63K$9.4M5.5%0.1%Reduced$-4.7MQ2 2026
TUDOR INVESTMENT CORP ET AL
CIK 0000923093
Hedge Fund61K$9.0M5.3%0.0%Reduced$-56.6MQ2 2026
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
Hedge Fund50K$7.3M4.3%0.0%Added+$7.3MQ2 2026
SHAW D E & CO INC
CIK 0001009207
Hedge Fund41K$6.1M3.6%0.0%Reduced$-27.5MQ2 2026
MARSHALL WACE, LLPAdded
Hedge Fund
$26.9M· 15.7% of total· 0.0% port· 181K sh· +$20.5M QoQ· Q2 2026
BALYASNY ASSET MANAGEMENT LLCReduced
Hedge Fund
$26.0M· 15.2% of total· 0.0% port· 176K sh· +$26.0M QoQ· Q2 2026
MILLENNIUM MANAGEMENT LLCAdded
Hedge Fund
$18.7M· 11.0% of total· 0.0% port· 126K sh· +$18.2M QoQ· Q2 2026
Squarepoint Ops LLCReduced
Hedge Fund
$17.0M· 9.9% of total· 0.0% port· 114K sh· $-56.5M QoQ· Q2 2026
FRED ALGER MANAGEMENT, LLCAdded
Hedge Fund
$15.1M· 8.8% of total· 0.1% port· 102K sh· — QoQ· Q2 2026
CITADEL ADVISORS LLCReduced
Hedge Fund
$10.8M· 6.3% of total· 0.0% port· 73K sh· +$10.8M QoQ· Q2 2026
AXIOM INVESTORS LLC /DEReduced
Hedge Fund
$9.4M· 5.5% of total· 0.1% port· 63K sh· $-4.7M QoQ· Q2 2026
TUDOR INVESTMENT CORP ET ALReduced
Hedge Fund
$9.0M· 5.3% of total· 0.0% port· 61K sh· $-56.6M QoQ· Q2 2026
AQR CAPITAL MANAGEMENT LLCAdded
Hedge Fund
$7.3M· 4.3% of total· 0.0% port· 50K sh· +$7.3M QoQ· Q2 2026
SHAW D E & CO INCReduced
Hedge Fund
$6.1M· 3.6% of total· 0.0% port· 41K sh· $-27.5M QoQ· Q2 2026
Verition Fund Management LLCReduced
Hedge Fund
$4.6M· 2.7% of total· 0.0% port· 31K sh· $-16.3M QoQ· Q2 2026
Brevan Howard Capital Management LPAdded
Hedge Fund
$3.3M· 1.9% of total· 0.0% port· 22K sh· +$2.7M QoQ· Q2 2026
TWO SIGMA INVESTMENTS, LPReduced
Hedge Fund
$3.3M· 1.9% of total· 0.0% port· 22K sh· $-47.3M QoQ· Q2 2026
Hudson Bay Capital Management LPReduced
Hedge Fund
$3.1M· 1.8% of total· 0.0% port· 21K sh· +$3.0M QoQ· Q2 2026
Holocene Advisors, LPAdded
Hedge Fund
$2.7M· 1.6% of total· 0.0% port· 18K sh· — QoQ· Q2 2026
Man Group plcReduced
Hedge Fund
$2.0M· 1.2% of total· 0.0% port· 14K sh· $-9.1M QoQ· Q2 2026
Qube Research & Technologies LtdAdded
Hedge Fund
$1.9M· 1.1% of total· 0.0% port· 13K sh· — QoQ· Q2 2026
CAXTON ASSOCIATES LLPAdded
Hedge Fund
$902K· 0.5% of total· 0.0% port· 6K sh· +$240K QoQ· Q2 2026
Rockefeller Capital Management L.P.Added
Hedge Fund
$662K· 0.4% of total· 0.0% port· 4K sh· $-79K QoQ· Q2 2026
MAVERICK CAPITAL LTDReduced
Hedge Fund
$620K· 0.4% of total· 0.0% port· 4K sh· $-1.8M QoQ· Q2 2026
Walleye Capital LLCAdded
Hedge Fund
$582K· 0.3% of total· 0.0% port· 4K sh· $-3.4M QoQ· Q2 2026
Schonfeld Strategic Advisors LLCAdded
Hedge Fund
$460K· 0.3% of total· 0.0% port· 3K sh· — QoQ· Q2 2026
Fulcrum Asset Management LLPAdded
Hedge Fund
$456K· 0.3% of total· 0.0% port· 3K sh· — QoQ· Q2 2026
Pinpoint Asset Management LtdReduced
Hedge Fund
$5K· 0.0% of total· 0.0% port· 354 sh· $-19K QoQ· Q1 2025
1–10 of 24
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