Oklo Inc. - Common Stock (OKLO)

Historical Holders from Q3 2021 to Q4 2025

Type / Class
Equity / Common Stock
Symbol
OKLO on NYSE
Shares outstanding
147,687,490
Price per share
$71.76
All holders as of 30 Sep 2025
Q3 2025
Total 13F shares
64,782,984
Total reported value
$7,227,460,328
% of total 13F portfolios
0.01%
Share change
+10,335,650
Value change
+$1,393,430,332
Number of holders
627
Price from insider filings
$71.76
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of Oklo Inc. - Common Stock (OKLO) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
DeWitte Jacob 16% -11% $1,541,536,643 -$96,430,227 23,907,206 -5.9% Jacob DeWitte 30 Jun 2025
VANGUARD GROUP INC 7.8% +32% $1,294,178,833 +$323,940,102 11,593,468 +33% The Vanguard Group 30 Sep 2025
BlackRock, Inc. 5.5% $901,532,252 8,076,075 BlackRock, Inc. 30 Sep 2025
Altman Samuel H. 4.8% -42% $162,535,825 -$81,084,026 6,650,402 -33% Samuel H. Altman 06 Mar 2025
Data Collective IV, L.P. 4.4% $131,541,335 5,382,215 Matthew Ocko 31 Dec 2024
As of 30 Sep 2025, Oklo Inc. - Common Stock (OKLO) has 627 institutional shareholders filing 13F forms. They hold 64,782,984 shares. of 147,687,490 outstanding shares (44%) .

Top 25 institutional shareholders own 35% of the company.

Filer Ownership Nb Shares Share Change % Portfolio % Holdings Value
VANGUARD GROUP INC 7.9% 11,593,468 +33% 0.02% $1,294,178,833
BlackRock, Inc. 5.8% 8,615,597 +18% 0.02% $961,759,039
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 4.8% 7,102,234 +72% 1.3% $792,822,382
VAN ECK ASSOCIATES CORP 2.4% 3,474,993 +61% 0.36% $387,914,000
GEODE CAPITAL MANAGEMENT, LLC 1.8% 2,630,742 +17% 0.02% $293,715,186
UBS Group AG 1.7% 2,523,487 +77% 0.06% $281,696,854
STATE STREET CORP 1.7% 2,476,036 +16% 0.01% $276,399,899
MORGAN STANLEY 1.6% 2,295,349 +78% 0.02% $256,229,851
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.72% 1,070,065 +39% 0.02% $119,451,356
JPMORGAN CHASE & CO 0.7% 1,031,724 +152% 0.01% $115,171,351
NORTHERN TRUST CORP 0.65% 966,459 +19% 0.01% $107,885,817
PORTLAND INVESTMENT COUNSEL INC. 0.52% 766,480 0% 23% $85,562,162
CANTOR FITZGERALD, L. P. 0.48% 708,000 1.6% $79,034,040
Hood River Capital Management LLC 0.45% 662,576 -9.3% 0.87% $73,963,359
Marex Group plc 0.44% 654,644 +113% 0.94% $75,941,006
T. Rowe Price Investment Management, Inc. 0.42% 625,431 0.04% $69,817,000
GOLDMAN SACHS GROUP INC 0.33% 491,112 -8% 0.01% $54,822,833
LPL Financial LLC 0.33% 487,519 +2.3% 0.02% $54,421,746
Capital World Investors 0.33% 481,015 0.01% $53,695,704
BANK OF AMERICA CORP /DE/ 0.31% 462,260 +223% 0% $51,602,083
WELLINGTON MANAGEMENT GROUP LLP 0.31% 450,729 -19% 0.01% $50,314,879
Clear Street Group Inc. 0.27% 400,000 0% 0.22% $44,652,000
Bank of New York Mellon Corp 0.26% 378,523 +26% 0.01% $42,254,483
D. E. Shaw & Co., Inc. 0.24% 351,130 -70% 0.03% $39,196,642
WELLS FARGO & COMPANY/MN 0.23% 334,310 +27% 0.01% $37,319,034

Institutional Holders of Oklo Inc. - Common Stock (OKLO) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price Investors
2025 Q4 238,523 $17,800,493 +$2,636,458 $71.76 26
2025 Q3 64,782,984 $7,227,460,328 +$1,393,430,332 $111.63 627
2025 Q2 54,037,247 $3,025,526,482 +$1,210,811,554 $55.99 471
2025 Q1 34,393,412 $743,846,419 -$148,711,672 $21.63 284
2024 Q4 41,314,990 $878,004,505 -$16,955,330 $21.23 229
2024 Q3 45,243,814 $366,091,868 +$47,251,351 $8.09 117
2024 Q2 39,977,637 $338,608,593 +$109,326,363 $8.47 93
2024 Q1 23,708,784 $270,750,192 -$26,000,190 $11.42 53
2023 Q4 26,020,463 $274,825,889 -$165,222,873 $10.56 37
2023 Q3 41,864,000 $433,274,528 -$3,262,818 $10.35 64
2023 Q2 42,090,156 $439,000,288 -$67,270,173 $10.43 74
2023 Q1 48,073,284 $487,949,431 +$22,100,014 $10.15 71
2022 Q4 47,004,958 $466,276,234 -$10,079,589 $9.92 72
2022 Q3 48,596,744 $474,224,116 +$24,315,279 $9.76 76
2022 Q2 45,432,316 $438,816,929 -$27,927,226 $9.65 72
2022 Q1 47,355,551 $462,202,000 -$7,363,269 $9.76 67
2021 Q4 46,964,495 $462,588,000 -$2,851,621 $9.85 66
2021 Q3 47,263,446 $464,430,000 +$462,957,000 $9.83 70