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Applied Optoelectronics, Inc. 13F holders

482 funds reported a position in Applied Optoelectronics, Inc. in their 13F for the quarter ended 30 June 2026, together 51.1 million shares worth $7.58 billion. Against the quarter before, 163 opened a position, 133 added, 143 trimmed and 63 sold out; together they sold a net 2.4 million shares. The largest holders: BlackRock, Inc., Invesco Ltd. and Vanguard Capital Management LLC.

Funds holding482+106 on Q1 2026
Shares they held51.1Mworth $7.58 billion
Net sold on the quarter2.4M sharesabout $350.9 million at the funds' values
Funds buying to selling296 to 206opened or added, to cut or sold
Opened 163Added 133Held 40Trimmed 143Sold out 63
Opened: 163 fundsAdded: 133 fundsHeld: 40 fundsTrimmed: 143 fundsSold out: 63 funds

What each fund did in AAOI against its 13F for the quarter before; a change under 0.1% of a holding counts as held

Q3 2024: 140 funds, 29.5 million shares140Q3 2024Q4 2024: 156 funds, 30.7 million shares156Q4 2024Q1 2025: 147 funds, 31.1 million shares147Q1 2025Q2 2025: 146 funds, 33.2 million shares146Q2 2025Q3 2025: 180 funds, 39.8 million shares180Q3 2025Q4 2025: 220 funds, 47.7 million shares220Q4 2025Q1 2026: 376 funds, 53.1 million shares376Q1 2026Q2 2026: 482 funds, 51.1 million shares482Q2 2026

Funds reporting a position in AAOI in their 13F, each quarter; hover a bar for the shares they held

Filed so far for the quarter to 30 September 2026

2,671 funds have filed their 13F for the quarter so far; the rest are due by 16 November 2026. Of those, 83 reported a position in Applied Optoelectronics, Inc.: 15 opened one, 33 added, 20 trimmed and 22 sold out, a net 102,293 shares bought.

FundChange in sharesShares nowStatusFiling
Assenagon Asset Management S.A.-107,00537,323trimmed13F
Tema Etfs LLC+45,40045,821added13F
Shariaportfolio, Inc.+31,57080,268added13F
NLB Skladi, upravljanje premozenja, d.o.o.+29,61450,614added13F
SJS Investment Consulting Inc.+21,62927,070added13F
Capstone Capital Management Ltd+21,16821,168new13F
Oak Grove Capital LLC+19,750178,900added13F
M & L Capital Management Ltd+15,80015,800new13F
Oak Thistle LLC+13,79613,796new13F
MBL Wealth, LLC+11,24714,331added13F
October Effect Ltd-10,00015,191trimmed13F
N10 Wealth, LLC+10,00010,000new13F
Timothy G. Youngquist 2020 Irrevocable Trust+9,72265,518added13F
Fortitude Advisory Group L.L.C.+6,3726,372new13F
TD Waterhouse Canada Inc.+5,5995,800added13F
SteelPeak Wealth, LLC+5,8255,825new13F
Concurrent Investment Advisors, LLC-5,5182,022trimmed13F
Oakmont Investment Advisors, Inc.+5,3005,300new13F
Oppenheimer & Co. Inc.+4,9387,103added13F
Inspire Investing, LLC+4,8424,842new13F
Covea Finance+4,60018,700added13F
SeaCrest Wealth Management, LLC-4,04516,125trimmed13F
Independent Financial Group, LLC+3,3385,135added13F
Wedbush Securities Inc.+3,1066,244added13F
Sax Wealth Advisors, LLC+2,3072,307new13F

The largest moves in the name among the funds that have filed, against each fund's previous 13F.

The well-known funds

Of the 44 funds followed here, 6 reported a position in Applied Optoelectronics, Inc. in a 13F for the quarter ended 30 June 2026. The largest: Geode Capital Management, 1.7 million shares worth $247.6 million, 0.0% of its reported book. Sold out: Renaissance Technologies, Bridgewater Associates, Point72 Asset Management. In the quarter, 2 funds added or opened a position and 6 trimmed or sold out; together they sold a net 1.6 million shares, about $243.4 million at the funds' own value per share on 30 June 2026. A change under 0.1% of a holding counts as held.

FundSharesValueOf its bookChange on the quarterStatusQuarter endedFiling
Geode Capital Management1,670,936$247.6 million0.0%+49,631added30 June 202613F
Norges Bank131,200$19.4 million0.0%held30 June 202613F
Millennium Management126,326$18.7 million0.0%+29,918added30 June 202613F
Citadel Advisors72,798$10.8 million0.0%-348,205trimmed30 June 202613F
Two Sigma Investments22,113$3.3 million0.0%-319,069trimmed30 June 202613F
FMR LLC17,118$2.5 million0.0%-550trimmed30 June 202613F
Renaissance Technologies0$00.0%-565,279exited30 June 202613F
Bridgewater Associates0$00.0%-223,935exited30 June 202613F
Point72 Asset Management0$00.0%-265,543exited30 June 202613F
Value is what the fund reported.
Read moreChange is shares against the fund's previous 13F; a fund with one filing read shows no change. 13Fs cover long US positions of managers above $100 million and are filed up to 45 days after the quarter.

The largest holders

FundSharesShare of allValueOf its bookChange in sharesFiling
BlackRock, Inc.6,450,27012.62%$955.7 million0.01%-742,05913F
Invesco Ltd.3,414,2626.68%$505.9 million0.04%+1,399,85713F
Vanguard Capital Management LLC3,363,0016.58%$498.3 million0.01%+301,47913F
Marex Group Ltd2,830,2725.54%$419.3 million3.12%+2,541,10513F
Vanguard Portfolio Management LLC2,651,7185.19%$392.9 million0.02%+849,83513F
UBS Group AG2,111,4644.13%$312.8 million0.05%+1,140,72013F
Oberweis Asset Management Inc.1,791,1273.50%$265.4 million5.48%-558,84213F
Geode Capital Management, LLC1,670,9363.27%$247.6 million0.01%+49,63113F
Value Aligned Research Advisors, LLC1,595,1243.12%$236.3 million1.41%+327,18613F
Goldman Sachs Group Inc.1,586,4533.10%$235.0 million0.03%+501,68913F
State Street Corp.1,497,6172.93%$221.9 million0.01%-146,67613F
Hood River Capital Management LLC1,392,5102.72%$206.3 million1.50%+116,99113F
Clear Street Group Inc.1,231,1432.41%$182.4 million0.58%new13F
Morgan Stanley1,115,1382.18%$165.2 million0.01%+387,57213F
JPMorgan Chase & Co.1,068,2462.09%$160.9 million0.01%-42,88613F
Frontier Capital Management Co. LLC975,3181.91%$144.5 million1.35%+691,17213F
Susquehanna International Group, LLP648,9861.27%$96.2 million0.09%+562,01313F
Jane Street Group, LLC563,5571.10%$83.5 million0.05%-1,715,76113F
William Blair Investment Management, LLC504,2020.99%$74.7 million0.23%new13F
Vanguard Fiduciary Trust Co.488,9220.96%$72.4 million0.02%+41,24013F
Charles Schwab Investment Management Inc.476,0270.93%$70.5 million0.01%-56,20113F
Northern Trust Corp.417,7200.82%$61.9 million0.01%-165,77413F
Capula Management Ltd380,7490.74%$56.4 million0.25%new13F
Gilder Gagnon Howe & Co. LLC343,0140.67%$50.8 million0.53%-112,36113F
Dimensional Fund Advisors LP309,9320.61%$45.9 million0.01%+3813F
Focus Partners Wealth286,1790.56%$42.4 million0.04%-92,88313F
Steward Partners Investment Advisory, LLC270,7510.53%$40.1 million0.20%-1,23813F
BNP Paribas Financial Markets252,0130.49%$37.3 million0.02%+232,56413F
Westfield Capital Management Co. LP249,5530.49%$37.0 million0.12%new13F
Wellington Management Group LLP244,0810.48%$36.2 million0.01%-13,62713F
Victory Capital Management Inc.243,1970.48%$36.0 million0.02%+191,56313F
Neuberger Berman Group LLC242,6120.47%$35.9 million0.02%-274,72913F
Raymond James Financial Inc.235,1270.46%$34.8 million0.01%-498,56913F
Bank of America Corp.227,5390.45%$33.7 million0.00%-13,34713F
IMC-Chicago, LLC223,4420.44%$33.1 million0.30%+112,52613F
Bank of New York Mellon Corp219,8120.43%$32.6 million0.01%+48,85413F
Emerald Advisers, LLC211,5740.41%$31.3 million0.74%-222,30813F
Ameriprise Financial Inc.211,4800.41%$31.3 million0.01%-62,64313F
Canada Pension Plan Investment Board188,5000.37%$27.9 million0.01%new13F
Marshall Wace, LLP181,3890.35%$26.9 million0.02%+1,96713F
Nuveen, LLC181,3770.35%$26.9 million0.01%-200,99413F
Balyasny Asset Management L.P.175,6830.34%$26.0 million0.05%-293,18713F
Voya Investment Management LLC162,0170.32%$24.0 million0.02%-78,69313F
Oak Grove Capital LLC159,1500.31%$23.6 million1.73%+122,10013F
UBS AM, a distinct business unit of UBS Asset Management Americas LLC158,2040.31%$23.4 million0.00%+52,72813F
Unicom Systems, Inc.152,4830.30%$22.6 million1.47%+83,89213F
Weiss Asset Management LP151,8680.30%$22.5 million0.33%new13F
Swiss National Bank148,0000.29%$21.9 million0.01%+19,70013F
Jain Global LLC145,9380.29%$21.6 million0.27%+67,29813F
Assenagon Asset Management S.A.144,3280.28%$21.4 million0.01%13F
The 50 largest of the 482 funds that reported a position in AAOI in their 13F for the quarter ended 30 June 2026, by the value each reported.
Read moreShare of all is the fund's part of all the shares the funds reported. Change is shares against the fund's 13F for the quarter before. A 13F lists a manager's long positions in US-listed shares at the quarter's end. What is a 13F?

Options the funds reported on AAOI

FundOptionShares under the optionsValue of those sharesQuarter endedFiling
Citadel AdvisorsCalls1,445,100$214.1 million30 June 202613F
Citadel AdvisorsPuts1,381,300$204.7 million30 June 202613F
Point72 Asset ManagementCalls214,000$31.7 million30 June 202613F
Point72 Asset ManagementPuts133,600$19.8 million30 June 202613F
Millennium ManagementPuts124,900$18.5 million30 June 202613F
Two Sigma InvestmentsPuts43,300$6.4 million30 June 202613F
Two Sigma InvestmentsCalls24,500$3.6 million30 June 202613F
Millennium ManagementCalls16,300$2.4 million30 June 202613F
A 13F lists calls and puts by the shares they cover and what those shares were worth at the quarter's end, not what the options cost.
Read moreThey are not counted in the holdings above. A put gains when the stock falls, a call when it rises, and a fund may hold either to hedge.

Schedule 13D and 13G filed on the name, last twelve months

FiledScheduleWhoHoldingOf the classEvent dateRule or purposeFiling
27 October 202613G/ABlackRock, Inc. and 1 other4.2 million4.9%30 September 2026passive, institutional (13d-1(b))EDGAR
10 August 202613G/AJane Street Group, LLC and 9 others2.0 million2.4%30 June 2026passive, under 20% (13d-1(c))EDGAR
27 July 202613G/ABlackRock, Inc. and 1 other4.3 million5.4%30 June 2026passive, institutional (13d-1(b))EDGAR
13 May 202613GMarex Securities Products Inc. and 3 others4.5 million5.6%8 May 2026passive, under 20% (13d-1(c))EDGAR
6 May 202613G/AInvesco Ltd. and 1 other2.0 million2.7%31 March 2026passive, institutional (13d-1(b))EDGAR
26 March 202613G/AThe Vanguard Group and 1 other00.0%13 March 2026passive, institutional (13d-1(b))EDGAR
23 March 202613GJane Street Group, LLC and 7 others4.1 million5.3%17 March 2026passive, under 20% (13d-1(c))EDGAR
12 February 202613GInvesco Ltd. and 1 other3.5 million5.1%31 December 2025passive, institutional (13d-1(b))EDGAR
4 November 202513G/AJpmorgan Chase & Co. and 1 other2.8 million4.4%31 October 2025passive, institutional (13d-1(b))EDGAR
A Schedule 13D is filed by anyone who crosses 5% of a class with intent to influence; a 13G by a passive holder.
Read moreAmendments (/A) report a change, including an exit to zero. Holding and percentage are as the filer stated them on the cover page; the purpose is the filer's own words, cut short. 13D and 13G

Fails to deliver

Settlement dateShares failedPriceFile
29 September 202613,500$96.82SEC
28 September 20261,006$101.40SEC
25 September 202647,689$101.03SEC
21 September 2026351,401$105.17SEC
18 September 20269,069$98.06SEC
17 September 2026329$96.74SEC
16 September 202610$95.29SEC
14 September 2026708$105.36SEC
10 September 2026379,772$107.93SEC
9 September 202696,534$111.55SEC
28 August 2026572$113.28SEC
24 August 2026261,705$124.82SEC
20 August 20266,983$122.19SEC
17 August 20261,100$150.28SEC
Shares that failed to deliver at settlement, per day, from the SEC's half-month files, which arrive about two weeks after the period.
Read moreLargest in the window: 379,772 on 10 September 2026. A fail is an operational fact about settlement, not a position.