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OKLOUtilitiesCommon Stock

Oklo Inc (Class A)

Held by 7 tracked managers as of Q2 2026 · CUSIP ⓘCUSIP: A 9-character ID for one specific security - one share class of one company, or one bond. Tickers can change and can mean different things in different countries; a CUSIP always identifies exactly the same security, which is why filings use it. Guide 02156V109 · Sector ⓘGICS sectors: The 11-sector system most investors know (Global Industry Classification Standard): Technology, Health Care, Financials and so on. This site assigns each company a GICS-style sector from its SIC code, with a few hand corrections, so sector pages match the names investors expect. Guide

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In plain English: 7 of the investors we track own this stock. In the latest quarter, 3 of them bought more of it and 3 sold some or all of theirs. That tells you what they did last quarter — not what the stock will do next.

Educational and informational only, not personalized investment advice. Based on public filings that may be delayed or contain errors; verify with the original filings. Disclaimer

Managers holding
7
-1 vs last quarter (like-for-like)
Total value held
$136.96M
Across tracked managers
Average weight ⓘOn average, how big this stock is in the portfolios that own it (its share of each manager's reported portfolio value).
0.2%
Of each manager's book
QoQ value ⓘLike-for-like: only managers that filed both quarters are compared, so a manager filing late (or confidentially) does not look like buying or selling. Includes price changes.
-$1.39M
-3.0% vs last quarter
Net shares bought
-75.5K
Est. net flow -$3.92M
Quarter activity
3 bought · 3 sold
0 new · 1 sold out

Tracked capital in this stock

Total value held (area) and number of managers (line). Dips can mean a large holder filed that quarter confidentially (e.g. Norges Bank in Q1/Q3).

Chart: Tracked capital in this stock

Aggregate buying and selling

Net share change reported each quarter

Chart: Aggregate buying and selling

Who owns OKLO?

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Who owns OKLO? — Q2 2026

Holders ranked by position size, with each one's quarter-over-quarter change.

CSV Excel
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Numbers accept 1.5M, 2B, 250K. Percent columns take percent (5 = 5%).

# Manager Fund Shares Value ↓ % of their portfolio QoQ Δ shares Δ shares % Est. Δ value ⓘChange in shares × this quarter's price
1 Norges Bank Norges Bank Investment Management 1.76M $92.01M 0.0% — — — —
2 Cathie Wood ARK Investment Management LLC 372.26K $19.48M 0.1% Added +21.1K +6.0% +$1.10M
3 Israel Englander Millennium Management 278.98K $14.60M 0.0% Added +222.1K +390.5% +$11.62M
4 Two Sigma Two Sigma Investments 72.54K $3.80M 0.0% Reduced -87.8K -54.8% -$4.59M
5 Ray Dalio Bridgewater Associates 56.19K $2.94M 0.0% Added +1.2K +2.3% +$64.78K
6 CAZ Investments CAZ Investments LP 50.80K $2.66M 1.1% Held 0 0.0% $0
7 Ken Griffin Citadel Advisors 28.28K $1.48M 0.0% Reduced -221.4K -88.7% -$11.59M

Sold out completely this quarter

CSV Excel
Column filters

Numbers accept 1.5M, 2B, 250K. Percent columns take percent (5 = 5%).

Manager Fund Shares sold Value last quarter ↑
Bridgeway Bridgeway Capital Management -10.8K $533.09K

Politician trades

Politician trades in OKLO

CSV Excel
Column filters

Numbers accept 1.5M, 2B, 250K. Percent columns take percent (5 = 5%).

No politician trades match these filters.