Who owns Oklo Inc.?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of OKLO from SEC Form 13F filings across 672 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, 672 institutions disclosed 81.7M shares of Oklo Inc. worth $4.29B — about 46.3% of shares outstanding; the largest disclosed holder is MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.. Source: SEC Form 13F filings, parsed by EvidInvest.
672
13F holders
$4.29B
value, 2026 filers
46.3%
of shares outstanding (81.7M sh)
133
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 OKLO's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 8.9M | $467.6M | 0.6% | 5.1% | +0.9% |
| 2 | VAN ECK ASSOCIATES CORP | 7.9M | $414.1M | 0.3% | 4.5% | +30.1% |
| 3 | BlackRock, Inc. | 7.3M | $382.6M | 0.0% | 4.1% | -54.0% |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | 6.5M | $342.2M | 0.0% | 3.7% | +12.1% |
| 5 | VANGUARD PORTFOLIO MANAGEMENT LLC | 6.4M | $336.2M | 0.0% | 3.6% | +3.0% |
| 6 | MORGAN STANLEY | 3.3M | $170.7M | 0.0% | 1.9% | +21.7% |
| 7 | STATE STREET CORP | 2.4M | $124.4M | 0.0% | 1.3% | -28.5% |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | 2.4M | $123.8M | 0.0% | 1.3% | -22.6% |
| 9 | UBS Group AG | 2.1M | $109.6M | 0.0% | 1.2% | +73.7% |
| 10 | NORGES BANKNEW | 1.8M | $92.0M | 0.0% | 1% | new |
| 11 | Clear Street Group Inc. | 1.3M | $69.6M | 0.2% | 0.8% | +166.2% |
| 12 | JANE STREET GROUP, LLC | 1.3M | $66.4M | 0.0% | 0.7% | +138.1% |
| 13 | Marex Group Ltd | 1.2M | $63.2M | 0.3% | 0.7% | +104.7% |
| 14 | NATIONAL BANK OF CANADA /FI/ | 1.2M | $62.1M | 0.0% | 0.7% | +94.6% |
| 15 | GOLDMAN SACHS GROUP INC | 1.1M | $60.1M | 0.0% | 0.7% | +10.2% |
| 16 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.1M | $59.6M | 0.0% | 0.6% | -4.0% |
| 17 | CANTOR FITZGERALD, L. P. | 1.1M | $57.1M | 0.6% | 0.6% | +125.2% |
| 18 | MARSHALL WACE, LLPNEW | 1.1M | $55.8M | 0.0% | 0.6% | new |
| 19 | VANGUARD FIDUCIARY TRUST CO | 880,052 | $46.1M | 0.0% | 0.5% | +7.2% |
| 20 | NORTHERN TRUST CORP | 716,383 | $37.5M | 0.0% | 0.4% | -37.9% |
| 21 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 678,175 | $35.5M | 0.0% | 0.4% | +1.8% |
| 22 | BANK OF MONTREAL /CAN/ | 677,701 | $35.5M | 0.0% | 0.4% | +26.2% |
| 23 | LPL Financial LLC | 629,015 | $32.9M | 0.0% | 0.4% | +17.8% |
| 24 | BANK OF AMERICA CORP /DE/ | 592,471 | $31.0M | 0.0% | 0.3% | -4.5% |
| 25 | PORTLAND INVESTMENT COUNSEL INC. | 589,480 | $30.8M | 8.6% | 0.3% | 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.