Who owns APPLIED OPTOELECTRONICS, INC.?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of AAOI from SEC Form 13F filings across 483 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 483 institutions disclosed 51.0M shares of APPLIED OPTOELECTRONICS, INC. worth $7.56B — about 62.6% of shares outstanding; the largest disclosed holder is BlackRock, Inc.. Source: SEC Form 13F filings, parsed by EvidInvest.
483
13F holders
$7.56B
value, 2026 filers
62.6%
of shares outstanding (51.0M sh)
179
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of AAOI's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 6.5M | $955.7M | 0.0% | 7.9% | -10.3% |
| 2 | Invesco Ltd. | 3.4M | $505.9M | 0.0% | 4.2% | +69.5% |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 3.4M | $498.3M | 0.0% | 4.1% | +9.8% |
| 4 | Marex Group Ltd | 2.8M | $419.3M | 1.8% | 3.5% | +878.8% |
| 5 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2.7M | $392.9M | 0.0% | 3.3% | +47.2% |
| 6 | UBS Group AG | 2.1M | $312.8M | 0.0% | 2.6% | +117.5% |
| 7 | OBERWEIS ASSET MANAGEMENT INC/ | 1.8M | $265.4M | 5.5% | 2.2% | -23.8% |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | 1.7M | $247.6M | 0.0% | 2% | +3.1% |
| 9 | Value Aligned Research Advisors, LLC | 1.6M | $236.3M | 0.6% | 2% | +25.8% |
| 10 | GOLDMAN SACHS GROUP INC | 1.6M | $235.0M | 0.0% | 1.9% | +46.2% |
| 11 | STATE STREET CORP | 1.5M | $221.9M | 0.0% | 1.8% | -8.9% |
| 12 | Hood River Capital Management LLC | 1.4M | $206.3M | 1.5% | 1.7% | +9.2% |
| 13 | Clear Street Group Inc.NEW | 1.2M | $182.4M | 0.5% | 1.5% | new |
| 14 | MORGAN STANLEY | 1.1M | $165.2M | 0.0% | 1.4% | +53.3% |
| 15 | JPMORGAN CHASE & CO | 1.1M | $160.9M | 0.0% | 1.3% | -3.9% |
| 16 | FRONTIER CAPITAL MANAGEMENT CO LLC | 975,318 | $144.5M | 1.3% | 1.2% | +243.2% |
| 17 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 648,986 | $96.2M | 0.0% | 0.8% | +646.2% |
| 18 | JANE STREET GROUP, LLC | 563,557 | $83.5M | 0.0% | 0.7% | -75.3% |
| 19 | WILLIAM BLAIR INVESTMENT MANAGEMENT, LLCNEW | 504,202 | $74.7M | 0.2% | 0.6% | new |
| 20 | VANGUARD FIDUCIARY TRUST CO | 488,922 | $72.4M | 0.0% | 0.6% | +9.2% |
| 21 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 476,027 | $70.5M | 0.0% | 0.6% | -10.6% |
| 22 | NORTHERN TRUST CORP | 417,720 | $61.9M | 0.0% | 0.5% | -28.4% |
| 23 | Capula Management LtdNEW | 380,749 | $56.4M | 0.2% | 0.5% | new |
| 24 | GILDER GAGNON HOWE & CO LLC | 343,014 | $50.8M | 0.5% | 0.4% | -24.7% |
| 25 | DIMENSIONAL FUND ADVISORS LP | 309,932 | $45.9M | 0.0% | 0.4% | 0.0% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.