Ticker · CUSIP 02156V109

OKLO

ALTC ACQUISITION CORP
Utilities·Utilities - Independent Power Producers
···Share
Holders (tracked)
20
Combined shares
10,900,145
Combined value
$774.46M
Last close
$64.21
Quarter
2025Q4
Tracked holders · last 8 quarters
+1 vs previous quarter over the last 8.
2032024Q12025Q4
Price is -9.6% vs the avg quarter-end implied price across tracked holders.

SEC event timeline

23 events
  1. Paul Tudor Jones (Tudor Investment) opened position2026-02-17
    +92,100 shares · 2025Q4
    13F
  2. AQR Capital Management added2026-02-17
    +5,037 shares · 2025Q4
    13F
  3. Ken Griffin (Citadel Advisors) added2026-02-17
    +96,511 shares · 2025Q4
    13F
  4. D.E. Shaw & Co. trimmed2026-02-17
    −320,229 shares · 2025Q4
    13F
  5. Wellington Management trimmed2026-02-17
    −196,429 shares · 2025Q4
    13F
  6. Two Sigma Investments trimmed2026-02-17
    −575 shares · 2025Q4
    13F
  7. Izzy Englander (Millennium Mgmt) trimmed2026-02-17
    −1,238 shares · 2025Q4
    13F
  8. Steve Cohen (Point72) added2026-02-17
    +257,400 shares · 2025Q4
    13F
  9. T. Rowe Price trimmed2026-02-17
    −177,414 shares · 2025Q4
    13F
  10. Ray Dalio (Bridgewater Associates) added2026-02-13
    +21,243 shares · 2025Q4
    13F
  11. George Soros (Soros Fund Mgmt) opened position2026-02-13
    +32,147 shares · 2025Q4
    13F
  12. Renaissance Technologies exited2026-02-12
    −267,600 shares · 2025Q4
    13F
  13. Cathie Wood (ARK Invest) added2026-02-11
    +66,564 shares · 2025Q4
    13F
  14. Norges Bank (Norway SWF) opened position2026-02-10
    +1,028,227 shares · 2025Q4
    13F
  15. AQR Capital Management added2025-11-14
    +22,450 shares · 2025Q3
    13F
  16. D.E. Shaw & Co. trimmed2025-11-14
    −836,093 shares · 2025Q3
    13F
  17. Izzy Englander (Millennium Mgmt) added2025-11-14
    +40,074 shares · 2025Q3
    13F
  18. Two Sigma Investments trimmed2025-11-14
    −36,725 shares · 2025Q3
    13F
  19. T. Rowe Price added2025-11-14
    +209,020 shares · 2025Q3
    13F
  20. Wellington Management trimmed2025-11-14
    −105,379 shares · 2025Q3
    13F
  21. Renaissance Technologies opened position2025-11-13
    +267,600 shares · 2025Q3
    13F
  22. Ray Dalio (Bridgewater Associates) opened position2025-11-13
    +25,593 shares · 2025Q3
    13F
  23. Cathie Wood (ARK Invest) trimmed2025-11-12
    −33,630 shares · 2025Q3
    13F

Insider activity

No insider transactions in the last 30 days.
View full insider history for OKLO →
Follow-the-investor returns
If you'd copied each holder of OKLO…
Cost basis inferred from 13F share-delta history. Sorted by % return on the position they're still holding.
InvestorFirst inCost basisReturnPosition value today
T. Rowe Price2025Q1$0.09+72973.4%$6.9M
Paul Tudor Jones (Tudor Investment)2024Q4$21.60+197.2%$2.0M
Paul Tudor Jones (Tudor Investment)2024Q4$21.60+197.2%$2.0M
Cathie Wood (ARK Invest)2024Q3$27.09+137.0%$14.3M
Wellington Management2025Q2$55.99+14.7%$16.3M
Steve Cohen (Point72)2024Q2$62.62+2.5%$5.1M
Steve Cohen (Point72)2024Q2$62.62+2.5%$5.1M
Two Sigma Investments2023Q4$69.90-8.1%$899K
Two Sigma Investments2023Q4$69.90-8.1%$899K
Two Sigma Investments2023Q4$69.90-8.1%$899K
Norges Bank (Norway SWF)2025Q4$71.76-10.5%$66.0M
George Soros (Soros Fund Mgmt)2025Q4$71.76-10.5%$2.1M
D.E. Shaw & Co.2021Q3$72.51-11.4%$97.4M
D.E. Shaw & Co.2021Q3$72.51-11.4%$97.4M
Ken Griffin (Citadel Advisors)2021Q4$73.70-12.9%$278.5M
Ken Griffin (Citadel Advisors)2021Q4$73.70-12.9%$278.5M
Ken Griffin (Citadel Advisors)2021Q4$73.70-12.9%$278.5M
AQR Capital Management2025Q1$85.66-25.0%$2.3M
Ray Dalio (Bridgewater Associates)2025Q3$93.55-31.4%$3.0M
Izzy Englander (Millennium Mgmt)2021Q3$106.66-39.8%$3.3M

Who moved on this name in 2025Q4

13F transactions reported for the latest quarter, grouped by direction.
New positions3
Added to5
Trimmed5
Exited1

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.
QuarterHoldersCombined value
2022Q1
5
$110.8M
2022Q2
5
$103.4M
2022Q3
5
$106K
2022Q4
4
$71.8M
2023Q1
4
$60.7M
2023Q2
4
$79.2M
2023Q3
3
$68.5M
2023Q4
3
$52.8M
2024Q1
3
$57.1M
2024Q2
8
$63.8M
2024Q3
9
$47.9M
2024Q4
11
$146.9M
2025Q1
13
$144.7M
2025Q2
13
$547.3M
2025Q3
19
$1.42B
2025Q4
20
$774.5M

Who owns OKLO

20 super-investors · 2025Q4
Tracked stake
10.90M
shares
Combined value
$774M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New4Added8Trim8
#ManagerSharesValue
1Ken Griffin
Citadel Advisors
4.34M$311M
2Ken Griffin
Citadel Advisors
2.51M$180M
3D.E. Shaw & Co.1.52M$109M
4Norges Bank
Norway SWF
1.03M$74M
5Wellington Management254.3K$18M
6Cathie Wood
ARK Invest
223.0K$16M
7Ken Griffin
Citadel Advisors
218.5K$16M
8Steve Cohen
Point72
207.7K$15M
9Two Sigma Investments104.9K$8M
10Steve Cohen
Point72
79.7K$6M
11Paul Tudor Jones
Tudor Investment
61.5K$4M
12Izzy Englander
Millennium Mgmt
51.0K$4M
13Ray Dalio
Bridgewater Associates
46.8K$3M
14AQR Capital Management35.5K$3M
15George Soros
Soros Fund Mgmt
32.1K$2M
16D.E. Shaw & Co.30.9K$2M
17Paul Tudor Jones
Tudor Investment
30.6K$2M
18Two Sigma Investments15.0K$1M
19Two Sigma Investments14.0K$1M
20T. Rowe Price107.9K$8K

Recent moves

20 transactions
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