APPLIED OPTOELECTRONICS, INC. (AAOI) — Institutional Holders, Q2 2026

489 institutional investment managers reported a AAOI position on SEC Form 13F-HR for the quarter ended June 30, 2026, with a combined reported value of $8.0B. Every filer is listed below, ranked by position value, 100 per page; this page shows ranks 1 to 100. Put and call option positions are excluded, and a firm filing several lots or share classes is shown once with its total.

← AAOI stock profile

AAOI in Q2 2026: what funds did

Funds that filed a 13F for both Q1 2026 and Q2 2026, by what they did with the common stock. Share counts are adjusted for any split between the two quarters; dollar figures are the change in shares at this quarter’s price.

New positions

174

Added to

136

Trimmed

144

Sold out

Biggest buyers

Marex Group plcAdded · +2,541,105 sh+$376.5M
Invesco Ltd.Added · +1,399,857 sh+$207.4M
Clear Street GroupNew · +1,231,143 sh+$182.4M
UBS Group AGAdded · +1,140,720 sh+$169.0M
VANGUARD PORTFOLIO MANAGEMENTAdded · +849,835 sh+$125.9M

Biggest sellers

D. E. ShawTrimmed · -2,076,101 sh-$307.6M
JANE STREET GROUPTrimmed · -1,715,761 sh-$254.2M
PRICE T ROWE ASSOCIATESTrimmed · -1,621,448 sh-$240.2M
BlackRockTrimmed · -742,059 sh-$109.9M
T. Rowe Price Investment ManagementTrimmed · -584,058 sh-$86.5M

AAOI 13F holders ranked 1–100 of 489

Institutional investors reporting a position in APPLIED OPTOELECTRONICS, INC. on SEC Form 13F-HR for Q2 2026, ranked by reported value.
#	Institution	Shares	Value	% of portfolio	QoQShares vs Q1 2026
1	BlackRock#1 · 6,450,270 sh	6,450,270	$955.7M	0.01%	-10.3%
2	Invesco Ltd.#2 · 3,414,262 sh	3,414,262	$505.9M	0.04%	+69.5%
3	VANGUARD CAPITAL MANAGEMENT#3 · 3,363,001 sh	3,363,001	$498.3M	0.01%	+9.8%
4	Marex Group plc#4 · 2,830,272 sh	2,830,272	$419.3M	1.78%	+878.8%
5	VANGUARD PORTFOLIO MANAGEMENT#5 · 2,651,718 sh	2,651,718	$392.9M	0.02%	+47.2%
6	UBS Group AG#6 · 2,111,464 sh	2,111,464	$312.8M	0.04%	+117.5%
7	OBERWEIS ASSET MANAGEMENT#7 · 1,791,127 sh	1,791,127	$265.4M	5.48%	-23.8%
8	GEODE CAPITAL MANAGEMENT#8 · 1,670,936 sh	1,670,936	$247.6M	0.01%	+3.1%
9	Value Aligned Research Advisors#9 · 1,595,124 sh	1,595,124	$236.3M	0.59%	+25.8%
10	GOLDMAN SACHS GROUP#10 · 1,586,453 sh	1,586,453	$235.0M	0.02%	+46.2%
11	STATE STREET#11 · 1,497,617 sh	1,497,617	$221.9M	<0.01%	-8.9%
12	Hood River Capital Management#12 · 1,392,510 sh	1,392,510	$206.3M	1.50%	+9.2%
13	Clear Street Group#13 · 1,231,143 sh	1,231,143	$182.4M	0.46%	New
14	LINDEN ADVISORS#14 · 46,791,000 sh	46,791,000	$165.5M	0.86%	+6.2%
15	MORGAN STANLEY#15 · 1,115,138 sh	1,115,138	$165.2M	<0.01%	+53.3%
16	JPMORGAN CHASE#16 · 1,068,246 sh	1,068,246	$160.9M	<0.01%	-3.9%
17	FRONTIER CAPITAL MANAGEMENT#17 · 975,318 sh	975,318	$144.5M	1.35%	+243.2%
18	SUSQUEHANNA INTERNATIONAL GROUP, LLP#18 · 648,986 sh	648,986	$96.2M	<0.01%	+646.2%
19	D. E. Shaw#19 · 23,130,056 sh	23,130,056	$88.7M	0.04%	-8.2%
20	BNP PARIBAS FINANCIAL MARKETS#20 · 13,710,013 sh	13,710,013	$85.0M	0.03%	+0.9%
21	JANE STREET GROUP#21 · 563,557 sh	563,557	$83.5M	<0.01%	-75.3%
22	WILLIAM BLAIR INVESTMENT MANAGEMENT#22 · 504,202 sh	504,202	$74.7M	0.22%	New
23	VANGUARD FIDUCIARY#23 · 488,922 sh	488,922	$72.4M	0.02%	+9.2%
24	CHARLES SCHWAB INVESTMENT MANAGEMENT#24 · 476,027 sh	476,027	$70.5M	<0.01%	-10.6%
25	NORTHERN#25 · 417,720 sh	417,720	$61.9M	<0.01%	-28.4%
26	Capula Management Ltd#26 · 380,749 sh	380,749	$56.4M	0.20%	New
27	GILDER GAGNON HOWE#27 · 343,014 sh	343,014	$50.8M	0.52%	-24.7%
28	Graham Capital Management, L.P.#28 · 14,008,767 sh	14,008,767	$50.3M	0.92%	+113.1%
29	Arete Wealth Advisors#29 · 333,252 sh	333,252	$49.4M	1.62%	New
30	DIMENSIONAL FUND ADVISORS#30 · 309,932 sh	309,932	$45.9M	<0.01%	0.0%
31	Focus Partners Wealth#31 · 286,179 sh	286,179	$42.4M	0.04%	-24.5%
32	Steward Partners Investment Advisory#32 · 270,751 sh	270,751	$40.1M	0.20%	-0.5%
33	WESTFIELD CAPITAL MANAGEMENT#33 · 249,553 sh	249,553	$37.0M	0.12%	New
34	WELLINGTON MANAGEMENT GROUP LLP#34 · 244,081 sh	244,081	$36.2M	<0.01%	-5.3%
35	VICTORY CAPITAL MANAGEMENT#35 · 243,197 sh	243,197	$36.0M	0.02%	+371.0%
36	Neuberger Berman Group#36 · 242,612 sh	242,612	$35.9M	0.02%	-53.1%
37	RAYMOND JAMES FINANCIAL#37 · 235,127 sh	235,127	$34.8M	<0.01%	-68.0%
38	BANK OF AMERICA#38 · 227,539 sh	227,539	$33.7M	<0.01%	-5.5%
39	IMC-Chicago#39 · 223,442 sh	223,442	$33.1M	<0.01%	+101.5%
40	Bank of New York Mellon#40 · 219,812 sh	219,812	$32.6M	<0.01%	+28.6%
41	EMERALD ADVISERS#41 · 211,574 sh	211,574	$31.3M	0.74%	-51.2%
42	AMERIPRISE FINANCIAL#42 · 211,480 sh	211,480	$31.3M	<0.01%	-22.9%
43	CANADA PENSION PLAN INVESTMENT BOARD#43 · 188,500 sh	188,500	$27.9M	0.02%	New
44	MARSHALL WACE, LLP#44 · 181,389 sh	181,389	$26.9M	0.02%	+1.1%
45	Nuveen#45 · 181,377 sh	181,377	$26.9M	<0.01%	-52.6%
46	BALYASNY ASSET MANAGEMENT L.P.#46 · 175,683 sh	175,683	$26.0M	0.03%	-62.5%
47	ABSOLUTE INVESTMENT ADVISERS#47 · 7,000,000 sh	7,000,000	$25.0M	—	0.0%
48	VOYA INVESTMENT MANAGEMENT#48 · 162,017 sh	162,017	$24.0M	0.02%	-32.7%
49	Oak Grove Capital#49 · 159,150 sh	159,150	$23.6M	—	+329.6%
50	UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AME#50 · 158,204 sh	158,204	$23.4M	<0.01%	+50.0%
51	UNICOM Systems#51 · 152,483 sh	152,483	$22.6M	—	+122.3%
52	Weiss Asset Management#52 · 151,868 sh	151,868	$22.5M	0.24%	New
53	Swiss National Bank#53 · 148,000 sh	148,000	$21.9M	0.01%	+15.4%
54	Jain Global#54 · 145,938 sh	145,938	$21.6M	0.09%	+85.6%
55	KENNEDY CAPITAL MANAGEMENT#55 · 143,000 sh	143,000	$21.2M	0.38%	-48.8%
56	DRIEHAUS CAPITAL MANAGEMENT#56 · 139,416 sh	139,416	$20.7M	0.12%	-78.0%
57	EMERALD MUTUAL FUND ADVISERS#57 · 136,959 sh	136,959	$20.3M	0.71%	-49.6%
58	NORGES BANK#58 · 131,200 sh	131,200	$19.4M	<0.01%	—
59	Shellback Capital#59 · 131,004 sh	131,004	$19.4M	1.70%	+101.5%
60	FIRST ADVISORS#60 · 129,769 sh	129,769	$19.2M	0.01%	-40.0%
61	MILLENNIUM MANAGEMENT#61 · 126,326 sh	126,326	$18.7M	<0.01%	+31.0%
62	Funde Sino Life Insurance Ltd#62 · 120,306 sh	120,306	$17.8M	5.81%	—
63	ROYAL BANK OF CANADA#63 · 114,758 sh	114,758	$17.0M	<0.01%	-10.3%
64	LORD, ABBETT#64 · 549,700 sh	549,700	$17.0M	0.05%	-50.5%
65	Squarepoint Ops#65 · 114,429 sh	114,429	$17.0M	0.02%	-76.9%
66	PRICE T ROWE ASSOCIATES#66 · 110,933 sh	110,933	$16.4M	<0.01%	-93.6%
67	ALGERT GLOBAL#67 · 110,843 sh	110,843	$16.4M	0.19%	+3.9%
68	GROUP ONE TRADING, L.P.#68 · 110,362 sh	110,362	$16.4M	0.02%	-18.8%
69	SILVERCREST ASSET MANAGEMENT GROUP#69 · 106,911 sh	106,911	$15.8M	0.10%	-26.6%
70	FRED ALGER MANAGEMENT#70 · 101,831 sh	101,831	$15.1M	0.05%	New
71	FEDERATED HERMES#71 · 100,296 sh	100,296	$14.9M	0.02%	New
72	SEI INVESTMENTS#72 · 89,584 sh	89,584	$13.3M	0.01%	-43.6%
73	NOMURA#73 · 83,298 sh	83,298	$12.3M	0.01%	New
74	COMMONWEALTH EQUITY SERVICES#74 · 77,213 sh	77,213	$11.4M	0.01%	-13.9%
75	1492 Capital Management#75 · 76,405 sh	76,405	$11.3M	3.34%	-38.9%
76	RHUMBLINE ADVISERS#76 · 75,872 sh	75,872	$11.2M	<0.01%	-6.5%
77	CITADEL ADVISORS#77 · 72,798 sh	72,798	$10.8M	<0.01%	-82.7%
78	Assenagon Asset Management S.A.#78 · 72,164 sh	72,164	$10.7M	—	+48.0%
79	Zweig-DiMenna Associates#79 · 71,835 sh	71,835	$10.6M	0.97%	-10.3%
80	FIFTH THIRD BANCORP#80 · 70,932 sh	70,932	$10.5M	0.02%	+267.0%
81	Russell Investments Group, Ltd.#81 · 69,926 sh	69,926	$10.4M	<0.01%	+95.9%
82	Global Asset Management#82 · 69,849 sh	69,849	$10.3M	—	+17.3%
83	Legal & General Group Plc#83 · 63,555 sh	63,555	$9.4M	<0.01%	-1.9%
84	AXIOM INVESTORS#84 · 63,178 sh	63,178	$9.4M	0.08%	-33.5%
85	STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM#85 · 61,806 sh	61,806	$9.2M	0.02%	+311.0%
86	CITIGROUP#86 · 60,912 sh	60,912	$9.0M	<0.01%	-59.5%
87	TUDOR INVESTMENT ET AL#87 · 60,695 sh	60,695	$9.0M	0.01%	-86.3%
88	FMR#88 · 1,787,118 sh	1,787,118	$8.8M	<0.01%	-0.6%
89	T. Rowe Price Investment Management#89 · 59,087 sh	59,087	$8.8M	<0.01%	-90.8%
90	FirstWave Capital Management#90 · 58,277 sh	58,277	$8.6M	3.81%	+199.6%
91	NOMURA ASSET MANAGEMENT INTERNATIONAL#91 · 57,532 sh	57,532	$8.5M	0.01%	New
92	Timothy G. Youngquist 2020 Irrevocable#92 · 55,796 sh	55,796	$8.3M	—	+16.5%
93	RICE HALL JAMES & ASSOCIATES#93 · 55,769 sh	55,769	$8.3M	0.40%	-43.3%
94	OAK RIDGE INVESTMENTS#94 · 55,730 sh	55,730	$8.3M	0.47%	+46.7%
95	SG Americas Securities#95 · 54,791 sh	54,791	$8.1M	<0.01%	-72.4%
96	Greenwoods Asset Management Hong Kong Ltd.#96 · 53,520 sh	53,520	$7.9M	0.36%	New
97	NEW YORK STATE COMMON RETIREMENT FUND#97 · 53,505 sh	53,505	$7.9M	0.01%	-66.2%
98	Kultura Capital Management#98 · 53,345 sh	53,345	$7.9M	1.43%	+45.8%
99	Emerald Investment Advisers#99 · 53,055 sh	53,055	$7.9M	0.52%	-8.6%
100	VANGUARD ASSET MANAGEMENT, Ltd#100 · 52,733 sh	52,733	$7.8M	<0.01%	+20.0%

Funds that sold out of AAOI in Q2 2026 (62)

Held AAOI at the end of Q1 2026 and filed a Q2 2026 13F without it. Not in the list above, because they no longer hold it. Largest prior position first.

Institutions that held AAOI in Q1 2026 and reported no position in Q2 2026.
Institution	Shares sold	Value in Q1 2026
RENAISSANCE TECHNOLOGIES565,279 sh	565,279	$47.8M
Artemis Investment Management LLP340,148 sh	340,148	$28.8M
Point72 Asset Management, L.P.265,543 sh	265,543	$22.5M
Bridgewater Associates223,935 sh	223,935	$18.9M
CloudAlpha Capital Management Limited/Hong Kong177,410 sh	177,410	$15.0M
Penn Capital Management Company176,453 sh	176,453	$14.9M
Anther Capital Ltd170,488 sh	170,488	$14.4M
HRT FINANCIAL158,840 sh	158,840	$13.4M
Andar Capital Management HK Ltd134,000 sh	134,000	$11.3M
Ariose Capital Management Ltd104,000 sh	104,000	$8.8M
CenterBook Partners96,322 sh	96,322	$8.1M
THAMES CAPITAL MANAGEMENT74,334 sh	74,334	$6.3M
SPHERA FUNDS MANAGEMENT LTD.73,400 sh	73,400	$6.2M
Caitong International Asset Management , Ltd61,323 sh	61,323	$5.2M
SCALAR GAUGE MANAGEMENT59,301 sh	59,301	$5.0M
Virtu Financial56,882 sh	56,882	$4.8M
VOLORIDGE INVESTMENT MANAGEMENT50,000 sh	50,000	$4.2M
BLUE JEAN FINANCIAL44,039 sh	44,039	$3.7M
Parallax Volatility Advisers, L.P.38,271 sh	38,271	$3.2M
APIS CAPITAL ADVISORS30,921 sh	30,921	$2.6M
Geneva Partners29,515 sh	29,515	$2.5M
BOOTHBAY FUND MANAGEMENT26,131 sh	26,131	$2.2M
CASTLEARK MANAGEMENT25,700 sh	25,700	$2.2M
TWINBEECH CAPITAL22,082 sh	22,082	$1.9M
INTECH INVESTMENT MANAGEMENT17,594 sh	17,594	$1.5M
WHITE PINE CAPITAL14,311 sh	14,311	$1.2M
TD ASSET MANAGEMENT12,918 sh	12,918	$1.1M
PEAK612,074 sh	12,074	$1.0M
WBI INVESTMENTS11,672 sh	11,672	$987.3K
SIERRA SUMMIT ADVISORS10,102 sh	10,102	$854.5K
Intrinsic Edge Capital Management10,000 sh	10,000	$845.9K
ProShare Advisors9,584 sh	9,584	$810.7K
SummitTX Capital, L.P.9,408 sh	9,408	$795.8K
REX Advisers7,300 sh	7,300	$617.5K
Polymer Capital Management (US)6,871 sh	6,871	$581.2K
Quadrature Capital Ltd6,677 sh	6,677	$564.8K
Ameritas Investment Partners5,410 sh	5,410	$457.6K
TWO SIGMA SECURITIES4,485 sh	4,485	$379.4K
Havemeyer Place4,010 sh	4,010	$339.2K
Northwest & Ethical Investments L.P.3,064 sh	3,064	$329.2K
GSA CAPITAL PARTNERS LLP3,838 sh	3,838	$325.0K
THOMPSON DAVIS3,659 sh	3,659	$309.5K
FourThought Financial Partners3,530 sh	3,530	$298.6K
Patten Group3,240 sh	3,240	$274.1K
Monolith Management Ltd3,100 sh	3,100	$262.2K
ARMISTICE CAPITAL3,080 sh	3,080	$260.5K
Bridgefront Capital2,562 sh	2,562	$216.7K
Defiance ETFs2,535 sh	2,535	$214.4K
Fieldview Capital Management2,417 sh	2,417	$204.5K
QUADRANT CAPITAL GROUP1,928 sh	1,928	$130.5K
Ionic Capital Management1,500 sh	1,500	$126.9K
Kemnay Advisory Services516 sh	516	$43.6K
Opal Wealth Advisors335 sh	335	$28.3K
REAP Financial Group200 sh	200	$16.9K
Fourth Dimension Wealth150 sh	150	$12.7K
SUMMIT SECURITIES GROUP141 sh	141	$11.9K
Rachor Investment Advisory Services44 sh	44	$3.7K
TWIN PEAKS WEALTH ADVISORS19 sh	19	$1.6K
WealthCollab13 sh	13	$1.1K
Strategic Wealth Partners, Ltd.12 sh	12	$1.0K
Friedenthal Financial10 sh	10	$846.00
Root Financial Partners8 sh	8	$677.00

Source: Form 13F-HR filings on SEC EDGAR, Q2 2026. Values are as reported by each manager at quarter end. “% of portfolio” is the position’s share of the manager’s total reported 13F value for the same quarter. “New” means the manager filed a 13F for Q1 2026 without this position; a dash means no comparison is available. Where a manager’s own filing is internally inconsistent its value is withheld and it is listed last. 13F data shows reported holdings, not recommendations.