Skip to main content
OKLO logo

OKLO · Oklo Inc.

Track OKLO — free
$44.27 +4.58 (+11.54%) At close · Aug 25
Market Cap
$7.38B
Shares
186.02M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 680
Total Value: $6,223,613,881
Total Shares: 118,932,385

Institutional Ownership Trend

20 quarters

Holder Concentration

Across 680 13F filers · Δ vs Mar 31, 2026
Top Holder
8.7%
Sep 2023 → Jun 2026 · range 8.7% – 15.7%
−4.7 pts
Top 5
37.7%
Sep 2023 → Jun 2026 · range 37.7% – 53.0%
−3.9 pts
Top 10
59.9%
Sep 2023 → Jun 2026 · range 55.7% – 81.2%
−2.2 pts
HHI
429
Sep 2023 → Jun 2026 · range 410 – 766
Broadly held−69

Quarterly Activity

vs Mar 31, 2026
New
126
Increased
264
Decreased
182
Sold Out
136
Unchanged
108
Holder count: -10
Institutional value: +5.9%
Shares held: +0.3%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
Showing 100 of 741
Export CSV
Holder Value (USD) % of 13F Shares Open
Key facts CIK 1849056 CUSIP 02156V109 13F (30d) 524 filings 522 filers Visit website Investor relations