OKLONYSEElectric ServicesFiscal year ends December 31
Oklo Inc.
Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 7, 2026
$27.24−0.73 (-2.61%)
Close on Oct 19, 2026
- Market cap
- $4.80B
- P/E (TTM)
- –
- Dividend yield
- –
Ownership
Institutional holdings as of Jun 30, 2026, from 13F filings
Held by institutions
44.6%
83M of 186M shares
Institutional holders
670
126 new, 123 sold out
Net institutional buying
-6M
In Q2 2026
Insider trades, 12 months
0 buys · 245 sales
Net sold $471.81M
Shares held by institutions
Holders of more than 5%
Latest Schedule 13D (active) or 13G (passive) filed by each holder
| Holder | Shares | % of class | Filing | As of |
|---|---|---|---|---|
| Jacob DeWitte | 23,907,206 | 16.20% | 13D (active) amendment | Jun 30, 2025 |
| Meteora Capital, LLC | 2,321,377 | 7.59% | 13G (passive) | Dec 31, 2023 |
| Caroline Cochran | 20,559,091 | 11.10% | 13D (active) amendment | Jul 1, 2026 |
Top institutional holders
13F holdings as of Jun 30, 2026
| Holder | Shares | % of OKLO | Value | Change | % of portfolio |
|---|---|---|---|---|---|
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 8,935,822 | 4.80% | $467.61M | +79,326 | 0.56% |
| Van Eck Associates Corp | 7,912,353 | 4.25% | $414.05M | +1,830,836 | 0.25% |
| BlackRock, Inc. | 7,311,968 | 3.93% | $382.64M | −8,595,544 | 0.01% |
| Vanguard Capital Management LLC | 6,539,334 | 3.52% | $342.20M | +708,401 | 0.01% |
| Vanguard Portfolio Management LLC | 6,425,515 | 3.45% | $336.25M | +187,597 | 0.02% |
| Morgan Stanley | 3,262,878 | 1.75% | $170.75M | +581,140 | 0.01% |
| State Street Corp | 2,378,058 | 1.28% | $124.44M | −948,084 | 0.00% |
| Geode Capital Management, LLC | 2,364,428 | 1.27% | $123.76M | −689,721 | 0.01% |
| Cantor Fitzgerald, L. P. | 2,182,276 | 1.17% | $114.20M | +1,697,735 | 0.62% |
| UBS Group AG | 2,095,153 | 1.13% | $109.64M | +888,854 | 0.01% |
| Norges Bank | 1,758,267 | 0.95% | $92.01M | New | 0.01% |
| Clear Street Group Inc. | 1,329,523 | 0.71% | $69.57M | +830,081 | 0.18% |
| Jane Street Group, LLC | 1,269,146 | 0.68% | $66.41M | +736,146 | 0.01% |
| Marex Group plc | 1,207,636 | 0.65% | $63.20M | +617,772 | 0.27% |
| National Bank Of Canada /Fi/ | 1,185,312 | 0.64% | $62.07M | +576,148 | 0.04% |
| Goldman Sachs Group Inc | 1,148,200 | 0.62% | $60.09M | +106,274 | 0.01% |
| Charles Schwab Investment Management Inc | 1,138,236 | 0.61% | $59.56M | −47,495 | 0.01% |
| Marshall Wace, Llp | 1,066,394 | 0.57% | $55.80M | New | 0.04% |
| Vanguard Fiduciary Trust Co | 880,052 | 0.47% | $46.05M | +59,422 | 0.01% |
| Northern Trust Corp | 716,383 | 0.39% | $37.49M | −436,683 | 0.00% |
Institutional buying and selling by quarter
Positions opened, added to, reduced and closed by 13F filers
| Quarter | Holders | Shares held | % of shares | New / added | Reduced / closed | Shares bought | Shares sold |
|---|---|---|---|---|---|---|---|
| Q2 2026 | 670 | 83M | 44.6% | 126 / 260 | 174 / 123 | 17M | 24M |
| Q1 2026 | 679 | 89M | 48.0% | 135 / 286 | 162 / 126 | 32M | 6M |
| Q4 2025 | 683 | 75M | 40.4% | 191 / 230 | 196 / 137 | 19M | 9M |
| Q3 2025 | 639 | 66M | 35.4% | 230 / 207 | 151 / 68 | 21M | 9M |
| Q2 2025 | 481 | 54M | 29.2% | 239 / 134 | 73 / 44 | 28M | 8M |
| Q1 2025 | 292 | 35M | 18.6% | 105 / 92 | 72 / 49 | 10M | 17M |
| Q4 2024 | 238 | 42M | 22.6% | 139 / 50 | 40 / 25 | 14M | 18M |
| Q3 2024 | 124 | 46M | 25.0% | 51 / 32 | 21 / 18 | 17M | 9M |
| Q2 2024 | 93 | 40M | 21.7% | 63 / 14 | 14 / 24 | 29M | 14M |
| Q1 2024 | 54 | 25M | 13.4% | 21 / 9 | 13 / 4 | 3M | 8M |
| Q4 2023 | 37 | 30M | 16.2% | 6 / 8 | 17 / 34 | 4M | 16M |
| Q3 2023 | 65 | 42M | 22.5% | 17 / 14 | 13 / 27 | 14M | 14M |
Top mutual fund and ETF holders
Latest monthly portfolio reports (Form N-PORT)
| Fund | Shares | % of OKLO | Value | % of fund | As of |
|---|---|---|---|---|---|
| Global X Uranium ETF | 8,533,600 | 4.59% | $331.36M | 6.09% | Jul 31, 2026 |
| Vanguard Total Stock Market Index Fund | 4,696,672 | 2.52% | $245.78M | 0.01% | Jun 30, 2026 |
| VanEck Uranium and Nuclear ETF | 4,207,158 | 2.26% | $220.16M | 5.22% | Jun 30, 2026 |
| Vanguard Small-Cap Index Fund | 3,392,862 | 1.82% | $177.55M | 0.09% | Jun 30, 2026 |
| Vanguard Small-Cap Growth Index Fund | 1,954,182 | 1.05% | $102.26M | 0.22% | Jun 30, 2026 |
| Vanguard Extended Market Index Fund | 1,576,795 | 0.85% | $82.51M | 0.08% | Jun 30, 2026 |
| Fidelity Extended Market Index Fund | 636,125 | 0.34% | $42.54M | 0.10% | May 31, 2026 |
| Vanguard Russell 2000 Index Fund | 627,195 | 0.34% | $41.95M | 0.24% | May 31, 2026 |
| Vanguard Utilities Index Fund | 614,588 | 0.33% | $41.10M | 0.39% | May 31, 2026 |
| iShares Russell Mid-Cap ETF | 577,128 | 0.31% | $30.20M | 0.05% | Jun 30, 2026 |
| Fidelity Mid Cap Index Fund | 536,304 | 0.29% | $20.82M | 0.04% | Jul 31, 2026 |
| ARK Autonomous Technology & Robotics ETF | 458,417 | 0.25% | $17.80M | 0.96% | Jul 31, 2026 |
| Schwab U.S. Mid-Cap ETF | 333,481 | 0.18% | $22.30M | 0.15% | May 31, 2026 |
| iShares Russell 1000 Value ETF | 314,514 | 0.17% | $16.46M | 0.02% | Jun 30, 2026 |
| Dan IVES Wedbush AI Revolution ETF | 308,555 | 0.17% | $11.98M | 1.21% | Jul 31, 2026 |
Officers, directors and major owners
People who filed Forms 3, 4 or 5 in the last two years
| Name | Role | Shares owned | % of shares | Latest filing |
|---|---|---|---|---|
| Jacob DeWitte | Co-Founder, CEO, Director, 10% owner | 20,271,338 | 10.90% | Sep 2, 2026 |
| Caroline Cochran | Co-Founder, COO, Director, 10% owner | 20,801,017 | 11.18% | Sep 2, 2026 |
| Alexandra Renner | Chief Product Officer | 593,985 | 0.32% | Sep 29, 2026 |
| William Carroll Murphy Goodwin | Chief Strategy Officer | 46,787 | 0.03% | Sep 29, 2026 |
| John Hanson | Chief of Staff | 361,350 | 0.19% | Sep 29, 2026 |
| Vivek Narayanadas | General Counsel & Secretary | 13,369 | 0.01% | Sep 15, 2026 |
| Richard Craig Bealmear | Chief Financial Officer | 461,642 | 0.25% | Sep 3, 2026 |
| Erik Lassen | Senior VP of Engineering | – | – | Aug 4, 2026 |
| Michael Dixon | VP of Accounting & Controller | – | – | Aug 4, 2026 |
| Patrick Joseph Schweiger | Chief Technology Officer | 19,430 | 0.01% | Mar 26, 2026 |
| John M. Jansen | Director | 6,000 | 0.00% | Sep 15, 2026 |
| David G. Park | Director | – | – | Jun 15, 2026 |
| Derek T. Kan | Director | – | – | Jun 15, 2026 |
| Michael N. Thompson Jr. | Director | – | – | Jun 15, 2026 |
| David A. Christian | Director | – | – | Jun 15, 2026 |
| Richard Kinzley | Director | 19,554 | 0.01% | Jun 15, 2026 |
| Daniel B. Poneman | Director | 37,000 | 0.02% | Jun 15, 2026 |
| Mark T. Peters | Director | 100 | 0.00% | Jun 15, 2026 |
| Michael Stuart Klein | Director, 10% owner | 1,600,000 | 0.86% | Sep 24, 2025 |
| M. Klein Associates, Inc. | Director, 10% owner | 1,685,500 | 0.91% | Jun 25, 2025 |
| Samuel H. Altman | Director | 3,732,479 | 2.01% | Nov 21, 2024 |
| Sponsor LLC AltC | Director, 10% owner | 13,950,000 | 7.50% | Nov 18, 2024 |
Insider trades
Common stock transactions reported on Form 4, newest first
| Insider | Date | Transaction | Shares | Price | Value | Shares after |
|---|---|---|---|---|---|---|
| John Hanson Chief of Staff | Sep 28, 2026 | Sale | −1,100 | $37.39 | $41.13K | 361,350 |
| William Carroll Murphy Goodwin Chief Strategy Officer | Sep 28, 2026 | Sale | −1,775 | $37.39 | $66.37K | 46,787 |
| Alexandra Renner Chief Product Officer | Sep 28, 2026 | Sale | −1,100 | $37.39 | $41.13K | 477,595 |
| John Hanson Chief of Staff | Sep 26, 2026 | Option exercise | +2,059 | – | – | 362,450 |
| William Carroll Murphy Goodwin Chief Strategy Officer | Sep 26, 2026 | Option exercise | +3,294 | – | – | 48,562 |
| Alexandra Renner Chief Product Officer | Sep 26, 2026 | Option exercise | +2,471 | – | – | 478,695 |
| Alexandra Renner Chief Product Officer | Sep 14, 2026 | Gift | −6,763 | – | – | 116,390 |
| John M. Jansen Director | Sep 14, 2026 | Sale | −6,354 | $36.67 | $233.00K | 6,000 |
| Alexandra Renner Chief Product Officer | Sep 13, 2026 | Option exercise | +1,202 | – | – | 476,224 |
| John Hanson Chief of Staff | Sep 13, 2026 | Option exercise | +961 | – | – | 360,391 |
| Vivek Narayanadas General Counsel & Secretary | Sep 11, 2026 | Option exercise | +210 | – | – | 8,369 |
| Vivek Narayanadas General Counsel & Secretary | Sep 9, 2026 | Sale(10b5-1 plan) | −365 | $43.31 | $15.81K | 8,159 |
| Vivek Narayanadas General Counsel & Secretary | Sep 8, 2026 | Sale(10b5-1 plan) | −238 | $42.06 | $10.01K | 8,524 |
| Vivek Narayanadas General Counsel & Secretary | Sep 8, 2026 | Option exercise | +687 | – | – | 8,762 |
| Vivek Narayanadas General Counsel & Secretary | Sep 4, 2026 | Sale(10b5-1 plan) | −538 | $39.88 | $21.46K | 8,075 |
| Vivek Narayanadas General Counsel & Secretary | Sep 3, 2026 | Option exercise | +1,014 | – | – | 8,613 |
| Richard Craig Bealmear Chief Financial Officer | Sep 2, 2026 | Option exercise | +5,666 | $3.18 | $18.02K | 461,642 |
| Richard Craig Bealmear Chief Financial Officer | Sep 1, 2026 | Sale(10b5-1 plan) | −16,430 | $38.76 | $636.83K | 455,976 |
| Richard Craig Bealmear Chief Financial Officer | Sep 1, 2026 | Option exercise | +16,430 | $3.18 | $52.25K | 472,406 |
| Alexandra Renner Chief Product Officer | Sep 1, 2026 | Sale | −1,930 | $38.40 | $74.11K | 475,022 |
| Caroline Cochran Co-Founder, COO, Director, 10% owner | Sep 1, 2026 | Sale(10b5-1 plan) | −20,000 | $38.56 | $771.20K | 496,483 |
| Caroline Cochran Co-Founder, COO, Director, 10% owner | Sep 1, 2026 | Sale(10b5-1 plan) | −40,000 | $38.66 | $1.55M | 398,039 |
| Caroline Cochran Co-Founder, COO, Director, 10% owner | Sep 1, 2026 | Sale(10b5-1 plan) | −19,800 | $38.88 | $769.82K | 529,679 |
| Caroline Cochran Co-Founder, COO, Director, 10% owner | Sep 1, 2026 | Sale(10b5-1 plan) | −200 | $39.15 | $7.83K | 529,479 |
| Caroline Cochran Co-Founder, COO, Director, 10% owner | Sep 1, 2026 | Sale(10b5-1 plan) | −40,000 | $38.40 | $1.54M | 431,533 |
| Jacob DeWitte Co-Founder, CEO, Director, 10% owner | Sep 1, 2026 | Sale(10b5-1 plan) | −20,000 | $38.56 | $771.20K | 496,483 |
| Jacob DeWitte Co-Founder, CEO, Director, 10% owner | Sep 1, 2026 | Sale(10b5-1 plan) | −40,000 | $38.40 | $1.54M | 431,533 |
| Jacob DeWitte Co-Founder, CEO, Director, 10% owner | Sep 1, 2026 | Sale(10b5-1 plan) | −40,000 | $38.66 | $1.55M | 398,039 |
| Jacob DeWitte Co-Founder, CEO, Director, 10% owner | Sep 1, 2026 | Sale(10b5-1 plan) | −19,800 | $38.88 | $769.82K | 529,679 |
| Jacob DeWitte Co-Founder, CEO, Director, 10% owner | Sep 1, 2026 | Sale(10b5-1 plan) | −200 | $39.15 | $7.83K | 529,479 |
| Alexandra Renner Chief Product Officer | Aug 31, 2026 | Option exercise | +4,173 | – | – | 476,952 |
| Vivek Narayanadas General Counsel & Secretary | Aug 25, 2026 | Sale(10b5-1 plan) | −223 | $40.80 | $9.10K | 7,599 |
| John Hanson Chief of Staff | Aug 24, 2026 | Sale | −539 | $39.77 | $21.44K | 359,430 |
| Vivek Narayanadas General Counsel & Secretary | Aug 24, 2026 | Sale(10b5-1 plan) | −3,264 | $39.77 | $129.81K | 7,822 |
| William Carroll Murphy Goodwin Chief Legal & Strategy Officer | Aug 24, 2026 | Sale | −11,592 | $39.77 | $461.01K | 45,268 |
| Alexandra Renner Chief Product Officer | Aug 24, 2026 | Sale | −557 | $39.77 | $22.15K | 472,779 |
| Vivek Narayanadas General Counsel & Secretary | Aug 21, 2026 | Option exercise | +4,806 | – | – | 11,086 |
| John Hanson Chief of Staff | Aug 13, 2026 | Option exercise | +961 | – | – | 359,969 |
| Alexandra Renner Chief Product Officer | Aug 13, 2026 | Option exercise | +1,201 | – | – | 473,336 |
| William Carroll Murphy Goodwin Chief Legal & Strategy Officer | Aug 12, 2026 | Option exercise | +20,685 | – | – | 56,860 |
| Richard Craig Bealmear Chief Financial Officer | Aug 4, 2026 | Option exercise | +5,644 | $3.18 | $17.95K | 455,976 |
| Jacob DeWitte Co-Founder, CEO, Director, 10% owner | Aug 3, 2026 | Sale(10b5-1 plan) | −3,500 | $39.60 | $138.60K | 549,479 |
| Jacob DeWitte Co-Founder, CEO, Director, 10% owner | Aug 3, 2026 | Sale(10b5-1 plan) | −16,500 | $38.55 | $636.08K | 552,979 |
| Jacob DeWitte Co-Founder, CEO, Director, 10% owner | Aug 3, 2026 | Sale(10b5-1 plan) | −40,000 | $41.35 | $1.65M | 438,039 |
| Jacob DeWitte Co-Founder, CEO, Director, 10% owner | Aug 3, 2026 | Sale(10b5-1 plan) | −7,151 | $40.94 | $292.76K | 516,483 |
| Jacob DeWitte Co-Founder, CEO, Director, 10% owner | Aug 3, 2026 | Sale(10b5-1 plan) | −12,849 | $40.14 | $515.76K | 523,634 |
| Jacob DeWitte Co-Founder, CEO, Director, 10% owner | Aug 3, 2026 | Sale(10b5-1 plan) | −40,000 | $41.68 | $1.67M | 471,533 |
| Vivek Narayanadas General Counsel & Secretary | Aug 3, 2026 | Option exercise | +1,014 | – | – | 6,280 |
| Caroline Cochran Co-Founder, COO, Director, 10% owner | Aug 3, 2026 | Sale(10b5-1 plan) | −7,151 | $40.94 | $292.76K | 516,483 |
| Caroline Cochran Co-Founder, COO, Director, 10% owner | Aug 3, 2026 | Sale(10b5-1 plan) | −40,000 | $41.35 | $1.65M | 438,039 |
| Caroline Cochran Co-Founder, COO, Director, 10% owner | Aug 3, 2026 | Sale(10b5-1 plan) | −16,500 | $38.55 | $636.08K | 552,979 |
| Caroline Cochran Co-Founder, COO, Director, 10% owner | Aug 3, 2026 | Sale(10b5-1 plan) | −3,500 | $39.60 | $138.60K | 549,479 |
| Caroline Cochran Co-Founder, COO, Director, 10% owner | Aug 3, 2026 | Sale(10b5-1 plan) | −12,849 | $40.14 | $515.76K | 523,634 |
| Caroline Cochran Co-Founder, COO, Director, 10% owner | Aug 3, 2026 | Sale(10b5-1 plan) | −40,000 | $41.68 | $1.67M | 471,533 |
| Richard Craig Bealmear Chief Financial Officer | Aug 3, 2026 | Sale(10b5-1 plan) | −16,452 | $38.80 | $638.34K | 450,332 |
| Richard Craig Bealmear Chief Financial Officer | Aug 3, 2026 | Option exercise | +16,452 | $3.18 | $52.32K | 466,784 |
| Richard Craig Bealmear Chief Financial Officer | Jul 2, 2026 | Option exercise | +5,775 | $3.18 | $18.36K | 450,332 |
| Richard Craig Bealmear Chief Financial Officer | Jul 1, 2026 | Sale(10b5-1 plan) | −16,321 | $52.63 | $858.97K | 444,557 |
| Richard Craig Bealmear Chief Financial Officer | Jul 1, 2026 | Option exercise | +16,321 | $3.18 | $51.90K | 460,878 |
| Jacob DeWitte Co-Founder, CEO, Director, 10% owner | Jul 1, 2026 | Sale(10b5-1 plan) | −60,000 | $52.30 | $3.14M | 478,039 |
Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.
Planned insider sales
Notices of proposed sale filed on Form 144 before shares are sold
| Seller | Filed | Shares | Market value | Planned sale | Acquired through |
|---|---|---|---|---|---|
| Alexandra Renner Officer | Oct 14, 2026 | 688 | $21.16K | Oct 14, 2026 | Restricted Stock Vesting |
| Vivek Narayanadas Officer | Oct 9, 2026 | 364 | $12.63K | Oct 9, 2026 | Restricted Stock Vesting |
| Vivek Narayanadas Officer | Oct 6, 2026 | 288 | $10.74K | Oct 6, 2026 | Restricted Stock Vesting |
| Vivek Narayanadas Officer | Oct 5, 2026 | 649 | $23.32K | Oct 5, 2026 | Restricted Stock Vesting |
| Richard Craig Bealmear Officer | Oct 1, 2026 | 16,477 | $607.51K | Oct 1, 2026 | Stock Option Exercise |
| William Carroll Murphy Goodwin Officer | Sep 28, 2026 | 1,775 | $66.38K | Sep 28, 2026 | Restricted Stock Vesting |
| John Hanson Officer | Sep 28, 2026 | 1,110 | $41.51K | Sep 28, 2026 | Restricted Stock Vesting |
| Alexandra Renner Officer | Sep 28, 2026 | 1,100 | $41.13K | Sep 28, 2026 | Restricted Stock Vesting |
| John M. Jansen Director | Sep 14, 2026 | 6,354 | $233.00K | Sep 14, 2026 | Restricted Stock Vesting |
| Vivek Narayanadas Officer | Sep 9, 2026 | 365 | $15.81K | Sep 9, 2026 | Restricted Stock Vesting |
| Vivek Narayanadas Officer | Sep 8, 2026 | 238 | $10.01K | Sep 8, 2026 | Restricted Stock Vesting |
| Vivek Narayanadas Officer | Sep 4, 2026 | 538 | $21.46K | Sep 4, 2026 | Restricted Stock Vesting |
| Alexandra Renner Officer | Sep 1, 2026 | 1,930 | $74.11K | Sep 1, 2026 | Restricted Stock Vesting |
| Richard Craig Bealmear Officer | Sep 1, 2026 | 16,430 | $636.80K | Sep 1, 2026 | Stock Option Exercise |
| Vivek Narayanadas Officer | Aug 25, 2026 | 223 | $9.10K | Aug 25, 2026 | Restricted Stock Vesting |