13F

Stock

Applied Optoelectronics, Inc.

AAOI · held by 386 managers

Reported value

$4.47B

Holders

386

+182 new · −34 exited

Holders’ est. mark

$1.58B

Price effect on 137 books still in the name

Largest holder

$608.4M

BlackRock, Inc.

Notable conviction

Share of each notable manager’s 13F book.

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
BlackRock, Inc.7.19M$608.4M$263.9MAdded$423.4M
VANGUARD CAPITAL MANAGEMENT LLC3.06M$259MHeld
D. E. Shaw & Co., Inc.25.2M$230.7M$149.7MAdded$156.6M
OBERWEIS ASSET MANAGEMENT INC/2.35M$198.8M$101.4MAdded$127.7M
JANE STREET GROUP, LLC2.28M$192.8M$83.7MAdded$134.1M
Invesco Ltd.2.01M$170.4M$100.2MAdded$48M
VANGUARD PORTFOLIO MANAGEMENT LLC1.8M$152.4MHeld
State Street1.64M$139.1M$79.9MAdded$83.1M
GEODE CAPITAL MANAGEMENT, LLC1.62M$137.2M$75.3MAdded$84.4M
Hood River Capital Management LLC1.28M$107.9M$63.4MAdded$63.4M
Value Aligned Research Advisors, LLC1.27M$107.3MNew
Linden Advisors LP44.1M$98.1M$25.9MAdded$70M
JPMORGAN CHASE & CO1.11M$94.7M$2.79MAdded$92.7M
GOLDMAN SACHS GROUP INC1.08M$91.8M$48.1MAdded$58M
UBS Group AG970.7K$82.1M$47.3MAdded$49M
RAYMOND JAMES FINANCIAL INC733.7K$62.2M$18.6MAdded$48.6M
MORGAN STANLEY727.6K$61.5M$36.2MAdded$2.29M
Driehaus Capital Management LLC632.3K$53.5M$25.2MAdded$35.8M
NORTHERN TRUST CORP583.5K$49.4M$26.2MAdded$31M
Renaissance Technologies565.3K$47.8MNew
CHARLES SCHWAB INVESTMENT MANAGEMENT INC532.2K$45M$26.3MAdded$26.6M
NEUBERGER BERMAN GROUP LLC517.3K$44MNew
Squarepoint Ops LLC495.8K$41.9M$9.61MAdded$35.2M
Balyasny Asset Management L.P.468.9K$39.7M$8.27MAdded$33.9M
GILDER GAGNON HOWE & CO LLC455.4K$38.5M$22.6MAdded$22M
VANGUARD FIDUCIARY TRUST CO447.7K$37.9MHeld
TUDOR INVESTMENT CORP ET AL442.8K$37.5M$4.73MAdded$34.1M
EMERALD ADVISERS, LLC433.9K$36.7M$21.6MAdded$13.3M
Citadel421K$35.6M$20.9MAdded$16.4M
Nuveen, LLC382.4K$32.3M$11.2MAdded$24.5M
Focus Partners Wealth379.1K$32.1M$919.3KAdded$31.4M
BNP PARIBAS FINANCIAL MARKETS13.6M$31.8M−$30.4MCut−$2.12M
TWO SIGMA INVESTMENTS, LP341.2K$28.9M$13.1MAdded$19.7M
Artemis Investment Management LLP340.1K$28.8M$16.9MAdded$1.85M
NEXT CENTURY GROWTH INVESTORS LLC320.7K$27.1M$15.9MAdded$10.9M
DIMENSIONAL FUND ADVISORS LP309.9K$26.2M$15.4MAdded$11.6M
Marex Group plc289.2K$24.5MNew
FRONTIER CAPITAL MANAGEMENT CO LLC284.1K$24MNew
KENNEDY CAPITAL MANAGEMENT LLC279.1K$23.6M$13.9MAdded$8.03M
AMERIPRISE FINANCIAL INC274.1K$23.2M$2.75MAdded$21.3M
Steward Partners Investment Advisory, LLC272K$23M$13.5MAdded$10.2M
EMERALD MUTUAL FUND ADVISERS TRUST271.8K$23M$13.5MAdded$9.08M
Point72 Asset Management, L.P.265.5K$22.5MNew
WELLINGTON MANAGEMENT GROUP LLP257.7K$21.8MNew
BANK OF AMERICA CORP /DE/240.9K$20.4M$12MAdded$9.02M
VOYA INVESTMENT MANAGEMENT LLC240.7K$20.4M$523.8KAdded$20M
Bridgewater223.9K$18.9MNew
ROYCE & ASSOCIATES LP221.1K$18.7M$11MCut−$8.28M
FIRST TRUST ADVISORS LP216.3K$18.3M$10.8MAdded$9.86M
Graham Capital Management, L.P.6.57M$18M$10.4MCut−$8.54M
Context Capital Management, LLC7.27M$16.2M$7.81MCut−$1.78M
ABSOLUTE INVESTMENT ADVISERS, LLC7M$15.5M$7.44MAdded$5.13M
MARSHALL WACE, LLP179.4K$15.2M$3.02MAdded$13.1M
CloudAlpha Capital Management Limited/Hong Kong177.4K$15MNew
Penn Capital Management Company, LLC176.5K$14.9M$8.78MCut−$623.5K
Bank of New York Mellon Corp171K$14.5M$8.07MAdded$8.81M
Anther Capital Ltd170.5K$14.4MHeld
SEI INVESTMENTS CO158.9K$13.4M$6.15MAdded$9.13M
NEW YORK STATE COMMON RETIREMENT FUND158.4K$13.4M$7.88MAdded$2.42M
CITIGROUP INC150.3K$12.7M$740.5KAdded$12.2M
SILVERCREST ASSET MANAGEMENT GROUP LLC145.7K$12.3M$7.25MAdded$3.05M
Verition Fund Management LLC141K$11.9M$4.34MAdded$8.89M
GROUP ONE TRADING LLC136K$11.5M$6.76MAdded$5.9M
Andar Capital Management HK Ltd134K$11.3MNew
Swiss National Bank128.3K$10.9M$5.81MAdded$6.78M
ROYAL BANK OF CANADA128K$10.8M$292.6KAdded$10.6M
1492 Capital Management LLC125.1K$10.6M$6.22MAdded$3.06M
IMC-Chicago, LLC110.9K$9.38M$5.52MAdded$2.3M
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC105.5K$8.92M$4.65MAdded$5.66M
ADVENT CAPITAL MANAGEMENT /DE/3.96M$8.85M$4.22MCut−$221.5K
Ariose Capital Management Ltd104K$8.8MNew
RICE HALL JAMES & ASSOCIATES, LLC98.3K$8.32M$4.89MAdded$2.34M
MILLENNIUM MANAGEMENT LLC96.4K$8.16M$510.6KAdded$7.8M
CenterBook Partners LP96.3K$8.15M$1.53MAdded$7.07M
AXIOM INVESTORS LLC /DE95K$8.04MNew
BARCLAYS PLC94.7K$8.01M$4.71MCut−$202.3K
COMMONWEALTH EQUITY SERVICES, LLC89.7K$7.59M$4.03MAdded$4.76M
SUSQUEHANNA INTERNATIONAL GROUP, LLP87K$7.36M$4.33MCut−$4.13M
RHUMBLINE ADVISERS81.2K$6.87M$3.54MAdded$4.39M
PICTON MAHONEY ASSET MANAGEMENT80.1K$6.77MNew
Zweig-DiMenna Associates LLC80K$6.77M$3.9MAdded$4.03M
Jain Global LLC78.6K$6.65M$3.91MAdded$3.14M
Man Group plc74.7K$6.32MNew
THAMES CAPITAL MANAGEMENT LLC74.3K$6.29MNew
SPHERA FUNDS MANAGEMENT LTD.73.4K$6.21MNew
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM70.5K$5.96M$2.84MAdded$3.97M
FRANKLIN RESOURCES INC69.4K$5.87M$499.9KAdded$5.52M
UNICOM Systems, Inc.68.6K$5.8MNew
DEUTSCHE BANK AG\66.5K$5.63M$2.74MAdded$3.71M
Shellback Capital, LP65K$5.5MNew
Legal & General Group Plc64.8K$5.48M$3.22MAdded$3.05M
Fidelity1.8M$5.45M−$4.25MAdded$795K
Caitong International Asset Management Co., Ltd61.3K$5.19M$1.96MAdded$3.81M
Global Trust Asset Management, LLC59.6K$5.04M$1.38MAdded$4.07M
SCALAR GAUGE MANAGEMENT, LLC59.3K$5.02M$2.95MAdded$240.5K
Emerald Investment Advisers, LLC58.1K$4.91MHeld
Jump Financial, LLC56.4K$4.77M$436.4KAdded$4.46M
Allspring Global Investments Holdings, LLC52.5K$4.54M$2.46MCut−$1.19M
Nicholas Investment Partners, LP53K$4.48MNew
VICTORY CAPITAL MANAGEMENT INC51.6K$4.37M$369KAdded$4.11M
VOLORIDGE INVESTMENT MANAGEMENT, LLC50K$4.23MNew
Assenagon Asset Management S.A.48.8K$4.12MNew
WELLS FARGO & COMPANY/MN44.4K$3.76M$2.21MAdded$661.2K
BLUE JEAN FINANCIAL LLC44K$3.73MNew
VANGUARD ASSET MANAGEMENT, Ltd43.9K$3.72MHeld
AMERICAN CENTURY COMPANIES INC42.1K$3.56M$1.63MAdded$2.42M
PRELUDE CAPITAL MANAGEMENT, LLC41.6K$3.52M$2.07MAdded$1.82M
SIMPLEX TRADING, LLC39.9K$3.38M$1.98MCut−$2.3M
Informed Momentum Co LLC39.2K$3.31MNew
Parallax Volatility Advisers, L.P.38.3K$3.24MNew
OAK RIDGE INVESTMENTS LLC38K$3.21M$1.89MAdded$1.62M
Oak Harvest Investment Services37.9K$3.2MNew
Oak Grove Capital LLC37K$3.13MNew
Universal- Beteiligungs- und Servicegesellschaft mbH37K$3.13MNew
Kultura Capital Management LP36.6K$3.1MNew
MetLife Investment Management, LLC35.9K$3.04M$1.65MAdded$1.89M
CAPITAL FUND MANAGEMENT S.A.35.7K$3.02M$1.78MAdded$1.48M
Russell Investments Group, Ltd.35.7K$3.02M$1.77MAdded$579.6K
Creative Planning33.8K$2.86M$587KAdded$2.45M
FORA Capital, LLC33.2K$2.81MNew
Jefferies Financial Group Inc.32.8K$2.78MNew
LPL Financial LLC32.2K$2.72M$1.34MAdded$1.78M
MANUFACTURERS LIFE INSURANCE COMPANY, THE32.1K$2.72M$1.54MAdded$1.64M
ALLIANCEBERNSTEIN L.P.77.4K$2.7M$0Added$642.4K
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.31K$2.62M$1.39MAdded$1.65M
Apis Capital Advisors, LLC30.9K$2.62MNew
Icahn Capital30.8K$2.6M$1.32MAdded$1.68M
Portolan Capital Management, LLC29.8K$2.52M$1.48MCut−$5.44M
JANUS HENDERSON GROUP PLC29.8K$2.52M$1.2MAdded$1.68M
Geneva Partners, LLC29.5K$2.5MNew
Engineers Gate Manager LP28.9K$2.44MNew
Truvestments Capital LLC27.6K$2.34M$1.36MAdded$1.39M
STIFEL FINANCIAL CORP27.2K$2.3M$1.01MAdded$1.59M
Vanguard Global Advisers, LLC27.1K$2.3MHeld
BOOTHBAY FUND MANAGEMENT, LLC26.1K$2.21MNew
ACT CAPITAL MANAGEMENT, LLC25.9K$2.19MNew
CASTLEARK MANAGEMENT LLC25.7K$2.17MNew
Hudson Bay Capital Management LP24.4K$2.07MNew
AGF MANAGEMENT LTD900K$2M$967.4KCut−$3.28M
PRUDENTIAL FINANCIAL INC23K$1.94MNew
STATE OF WISCONSIN INVESTMENT BOARD22.2K$1.88MNew
SeaCrest Wealth Management, LLC22.1K$1.87M$252.5KAdded$1.67M
TWINBEECH CAPITAL LP22.1K$1.87MNew
O'SHAUGHNESSY ASSET MANAGEMENT, LLC20.3K$1.72MNew
Pacific Point Advisors, LLC20K$1.69M$994.6KAdded$297.4K
FirstWave Capital Management LLC19.5K$1.65MNew
FIFTH THIRD BANCORP19.3K$1.63MNew
Chung Wu Investment Group, LLC18.7K$1.58M$921.5KAdded$808.2K
Concurrent Investment Advisors, LLC18.6K$1.58MNew
XTX Topco Ltd18.2K$1.54M$907.5KAdded$680.1K
Geneos Wealth Management Inc.18.1K$1.53M$886.6KAdded$907.2K
BANK OF MONTREAL /CAN/18K$1.53M$897.3KAdded$468.6K
Oliver Luxxe Assets LLC17.9K$1.52MNew
Police & Firemen's Retirement System of New Jersey17.9K$1.51M$799.3KAdded$954.6K
ARIZONA STATE RETIREMENT SYSTEM17.8K$1.51M$821.5KAdded$931.3K
MML INVESTORS SERVICES, LLC17.7K$1.5MNew
INTECH INVESTMENT MANAGEMENT LLC17.6K$1.49M$874.9KAdded$702.6K
Vanguard Investments Australia, Ltd.16.4K$1.39MHeld
Quantinno Capital Management LP16.2K$1.37M$743.9KAdded$848.8K
MAVERICK CAPITAL LTD16.2K$1.37MNew
Zurcher Kantonalbank (Zurich Cantonalbank)16K$1.35M$680.6KAdded$876.5K
LOS ANGELES CAPITAL MANAGEMENT LLC15.9K$1.34M$354.1KAdded$1.09M
Creek Drive Management Group LLC15.7K$1.33MNew
T3 Companies, LLC15.6K$1.32MNew
STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM15K$1.27M$339.2KAdded$1.03M
POLEN CAPITAL MANAGEMENT LLC14.9K$1.26MNew
KLP KAPITALFORVALTNING AS14.9K$1.26M$721.1KAdded$754.9K
WHITE PINE CAPITAL LLC14.3K$1.21M$711.7KCut−$1.72K
Leonteq Securities AG13.5K$1.14MNew
Cetera Investment Advisers13.2K$1.12M$641.7KAdded$667.6K
DARK FOREST CAPITAL MANAGEMENT LP13.1K$1.11M$650.8KCut−$1.1M
ENVESTNET ASSET MANAGEMENT INC13K$1.1M$648.9KAdded$621.4K
Artemis Wealth Advisors, LLC13K$1.1MNew
TD Asset Management Inc12.9K$1.09MNew
ALPS ADVISORS INC12.7K$1.07MNew
Brooklyn Investment Group12.5K$1.06M$597.2KAdded$322.6K
ALLSTATE CORP12.2K$1.03MNew
PEAK6 LLC12.1K$1.02MNew
OSAIC HOLDINGS, INC.11.8K$1M$80KAdded$945K
WBI INVESTMENTS, LLC11.7K$987.3KNew
PNC Financial Services Group, Inc.11.3K$953.5K$451.4KAdded$637.1K
State of Wyoming10.6K$894.2K$228.7KAdded$733.9K
Aperture Investors, LLC10.4K$879.1KNew
Pictet Asset Management Holding SA10.3K$871.9K$394.2KAdded$595.5K
Bannerstone Capital Management, LLC10.1K$854.6KNew
SIERRA SUMMIT ADVISORS LLC10.1K$854.5KNew
JAT Capital Mgmt LP10K$847.1K$498KCut−$1.65M
INTRINSIC EDGE CAPITAL MANAGEMENT LLC10K$845.9KNew
INDEPENDENT FINANCIAL GROUP, LLC9.97K$843.6KNew
ProShare Advisors LLC9.58K$810.7K$476.6KAdded$425.8K
SummitTX Capital, L.P.9.41K$795.8K$362.7KAdded$541.6K
EXCHANGE TRADED CONCEPTS, LLC9.29K$785.9KNew
CIBC Bancorp USA Inc.9.23K$780.6KHeld
Legato Capital Management LLC9.14K$773.5KNew
Dupree Financial Group, LLC8.18K$691.9KNew
CORSAIR CAPITAL MANAGEMENT, L.P.8K$676.7KNew
Q Fund Management (Hong Kong) Ltd8K$676.7KNew
PRINCIPAL FINANCIAL GROUP INC7.91K$669.1KNew
Nokomis Capital, L.L.C.7.9K$668.3KNew
Tower Research Capital LLC (TRC)7.87K$665.5K$290.8KAdded$461.6K
Odyssean, LLC7.74K$654.6KNew
Sphera Management Technology Funds Ltd7.59K$642KNew
Vident Advisory, LLC7.5K$634.2KNew
REX Advisers, LLC7.3K$617.5KNew
KORNITZER CAPITAL MANAGEMENT INC /KS7.03K$594.8K$349.7KCut−$1.16M
Polymer Capital Management (US) LLC6.87K$581.2KNew
Trilogy Capital Inc.6.75K$571K$335.7KAdded$335.7K
Quadrature Capital Ltd6.68K$564.8K$332KCut−$887.8K
J.W. COLE ADVISORS, INC.6.52K$551.4KNew
Advisory Services Network, LLC6.42K$543.4KNew
Brookstone Capital Management6.39K$540.6KNew
Caprock Group, LLC6.25K$528.3K$310.3KAdded$310.8K
Belpointe Asset Management LLC6.17K$522.1KNew
Mariner, LLC6.08K$514.6KNew
XPONANCE LLC6.07K$513KNew
Vanguard Personalized Indexing Management, LLC6.01K$508.1KNew
Eddie Patel Inc5.79K$490KNew
SIH Partners, LLLP5.69K$481.5KNew
Stratos Wealth Partners, LTD.5.68K$480.4KNew
SBI Securities Co., Ltd.5.62K$475.3K$95.8KAdded$408.1K
STRS OHIO5.6K$473.7KNew
Kovack Advisors, Inc.5.36K$462.8K$276KAdded$77.5K
Ameritas Investment Partners, Inc.5.41K$457.6K$243.8KAdded$286.7K
Tidal Investments LLC5.41K$457.6KNew
Pathstone Holdings, LLC5.38K$455.3K$267.6KAdded$204.9K
Baird Financial Group, Inc.5.23K$442.1KNew
HSBC HOLDINGS PLC5.26K$441.7KNew
BROWN WEALTH MANAGEMENT, LLC5.16K$436.4KNew
LAZARD ASSET MANAGEMENT LLC14.9M$435.1K−$338.7KAdded$87.1K
JENNISON ASSOCIATES LLC5.14K$435.1KNew
Knights of Columbus Asset Advisors LLC5.05K$427.5KNew
Venture Visionary Partners LLC4.82K$407.3KNew
Wealthfront Advisers LLC4.66K$394.4KNew
CoreCap Advisors, LLC4.5K$380.9K$223.9KAdded$190.3K
TWO SIGMA SECURITIES, LLC4.49K$379.4KNew
CAXTON ASSOCIATES LLP4.47K$377.9KNew
Brevan Howard Capital Management LP4.29K$363.1K$213.4KAdded$147.7K
Centiva Capital, LP4.1K$346.9KNew
Havemeyer Place LP4.01K$339.2K$199.4KCut−$481.6K
StoneX Group Inc.3.9K$329.6K$193.7KAdded$69.3K
Northwest & Ethical Investments L.P.3.06K$329.2KNew
MERCER GLOBAL ADVISORS INC /ADV3.83K$324KNew
Abel Hall, LLC3.83K$323.7KNew
Ensign Peak Advisors, Inc3.8K$321.4K$189KAdded$189K
Swiss Life Asset Management Ltd3.76K$318.3KNew
THOMPSON DAVIS & CO., INC.3.66K$309.5KNew
JEPPSON WEALTH MANAGEMENT, LLC3.6K$304.9KNew
Cerity Partners LLC3.6K$304.1KNew
FourThought Financial Partners, LLC3.53K$298.6K$175.5KCut−$68.8K
Purpose Unlimited Inc.3.5K$296.1KNew

Who left

Positions as of Q1 2026. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.