| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| DeWitte Jacob | 16% | -11% | $765,747,808 | -$47,901,057 | 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% | $149,634,045 | -$74,647,732 | 6,650,402 | -33% | Samuel H. Altman | 06 Mar 2025 |
| Data Collective IV, L.P. | 4.4% | $121,099,838 | 5,382,215 | Matthew Ocko | 31 Dec 2024 |
As of 30 Sep 2025, 628 institutional investors reported holding 64,817,252 shares of Oklo Inc. - Common Stock (OKLO). This represents 44% of the company’s total 147,687,490 outstanding shares.
The largest institutional shareholders of Oklo Inc. - Common Stock (OKLO) together control 35% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | 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 |
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q4 | 733,988 | $53,555,042 | +$7,186,902 | $71.76 | 61 |
| 2025 Q3 | 64,817,252 | $7,231,285,684 | +$1,393,478,390 | $111.63 | 628 |
| 2025 Q2 | 54,037,247 | $3,025,526,482 | +$1,210,811,637 | $55.99 | 471 |
| 2025 Q1 | 34,393,412 | $743,846,419 | -$148,711,679 | $21.63 | 284 |
| 2024 Q4 | 41,169,386 | $874,913,470 | -$14,496,361 | $21.23 | 227 |
| 2024 Q3 | 45,232,589 | $366,001,058 | +$47,160,540 | $8.09 | 117 |
| 2024 Q2 | 39,977,087 | $338,603,934 | +$109,321,713 | $8.47 | 93 |
| 2024 Q1 | 23,708,784 | $270,750,192 | -$27,265,454 | $11.42 | 53 |
| 2023 Q4 | 0 | $0 | -$2,374,756 | $71.76 | 0 |
| 2023 Q3 | 41,864,000 | $433,274,772 | -$4,535,922 | $10.35 | 64 |
| 2023 Q2 | 42,090,156 | $439,000,288 | -$63,717,676 | $10.43 | 74 |
| 2023 Q1 | 48,073,284 | $487,949,431 | +$19,348,498 | $10.15 | 71 |
| 2022 Q4 | 47,004,958 | $466,276,234 | -$10,081,157 | $9.92 | 72 |
| 2022 Q3 | 48,496,744 | $473,248,116 | +$28,684,330 | $9.76 | 75 |
| 2022 Q2 | 45,432,316 | $438,816,929 | -$25,134,866 | $9.65 | 72 |
| 2022 Q1 | 47,355,173 | $462,198,000 | -$4,400,760 | $9.76 | 66 |
| 2021 Q4 | 46,964,495 | $462,588,000 | -$2,851,627 | $9.85 | 66 |
| 2021 Q3 | 47,263,446 | $464,430,000 | +$464,430,004 | $9.83 | 70 |