NYSE · Utilities · Holders
Oklo Inc. (OKLO) Institutional Ownership & Insider Trading History
Top OKLO institutional shareholders, filing changes, and Form 4 insider activity with filters for buys, sales, option exercises, gifts, and tax withholding.
- Last confirmed price
- $27.01-2.60%
- Oct 22, 2026, 4:00 PM EDT · Prices may be delayed
Data dates
Prices as of Oct 22, 4:00 PM EDT · Fundamentals checked Oct 22, 8:07 PM EDT · Statement period ended Jun 30, 2026
Ownership read
OKLO insider transaction activity: Net selling.
Mirae Asset Global ETFs Holdings Ltd. is the largest institutional holder. 72 classified sales and 0 classified purchases appear in the recent insider records. 25 transactions lack a reliable action code. Use the filters below to separate open-market activity from option exercises, gifts, awards, and tax withholding.
Insider flow
OKLO
Directional bars ignore awards, gifts, conversions, and tax withholding rows.
Top holder
8.94M
Mirae Asset Global ETFs Holdings Ltd.
Insider transaction activity
Net selling
$701.26M sold / $0.0000 bought · 25 unclassified
Observations shown
130
10 holder / 120 insider
- Increased / initiated
- Unavailable
- Prior positions were not supplied
- Insider rows
- 120
- Transaction dates shown per row
Ownership concentration and transaction activity
- Top 10 reported holders
- 26.33% outstanding
- Changes with share-count history
- Prior-position data unavailable
- New / exited positions
- Prior-position data unavailable
- Largest increase with share-count history
- Prior share counts unavailable
These changes cover the holders shown. A holder missing from this list may still own shares. Compare positions from the same reporting quarters.
Net shares sold: 9,312,297
Sale-code S shares minus purchase-code P shares in this sample. Includes disclosed plans and unknown plan status; excludes grants, gifts, exercises and withholding. This is activity, not sentiment.
- Purchase / sale; plan unknown: 72
- Other / unclassified: 25
- Conversion / exercise: 16
- Gift: 7
Top 10 institutional holders
Oklo Inc. (OKLO) institutional ownership
Ranked by reported share count, with position changes and separate position and filing dates where ownership data supplies them.
| # | Institution | % held | Shares | Position / filing date |
|---|---|---|---|---|
| 1 | Mirae Asset Global ETFs Holdings Ltd. | 4.80% | 8.94M | Position as of Jun 30, 2026Filing date unknown |
| 2 | Van Eck Associates Corporation | 4.25% | 7.91M | Position as of Jun 30, 2026Filing date unknown |
| 3 | 3.93% | 7.31M | Position as of Jun 30, 2026Filing date unknown | |
| 4 | 3.52% | 6.54M | Position as of Jun 30, 2026Filing date unknown | |
| 5 | 3.45% | 6.43M | Position as of Jun 30, 2026Filing date unknown | |
| 6 | 1.75% | 3.26M | Position as of Jun 30, 2026Filing date unknown | |
| 7 | 1.28% | 2.38M | Position as of Jun 30, 2026Filing date unknown | |
| 8 | 1.27% | 2.36M | Position as of Jun 30, 2026Filing date unknown | |
| 9 | 1.13% | 2.10M | Position as of Jun 30, 2026Filing date unknown | |
| 10 | 0.95% | 1.76M | Position as of Jun 30, 2026Filing date unknown |
Recent insider transactions
Oklo Inc. (OKLO) Form 4 filings
Action codes are translated so open-market buys and sales are separate from awards, gifts, conversions, and tax withholding. Window: Jun 30, 2025–Oct 19, 2026 · 120 records.
| # | Insider | % company | Action | Shares | Price | Value | Transaction / filing |
|---|---|---|---|---|---|---|---|
| 1 | NARAYANADAS VIVEK General Counsel | <0.01% | SaleOpen-market or direct sale reported on Form 4.Transaction context
Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership. | 2.36K | $27.63 | $65,179 | Oct 19, 2026Filing date unavailableOriginal filing link unavailable |
| 2 | NARAYANADAS VIVEK General Counsel | <0.01% | UnclassifiedThe available record does not identify a purchase, sale, or other action. Do not infer a trade direction.Transaction context
Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership. | 4.40K | Not reported | Not reported | Oct 16, 2026Filing date unavailableOriginal filing link unavailable |
| 3 | NARAYANADAS VIVEK General Counsel | <0.01% | SaleOpen-market or direct sale reported on Form 4.Transaction context
Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership. | 364 | $34.69 | $12,627 | Oct 9, 2026Filing date unavailableOriginal filing link unavailable |
| 4 | NARAYANADAS VIVEK General Counsel | <0.01% | UnclassifiedThe available record does not identify a purchase, sale, or other action. Do not infer a trade direction.Transaction context
Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership. | 687 | Not reported | Not reported | Oct 8, 2026Filing date unavailableOriginal filing link unavailable |
| 5 | NARAYANADAS VIVEK General Counsel | <0.01% | SaleOpen-market or direct sale reported on Form 4.Transaction context
Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership. | 288 | $37.29 | $10,740 | Oct 6, 2026Filing date unavailableOriginal filing link unavailable |
| 6 | NARAYANADAS VIVEK General Counsel | <0.01% | SaleOpen-market or direct sale reported on Form 4.Transaction context
Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership. | 649 | $35.93 | $23,319 | Oct 5, 2026Filing date unavailableOriginal filing link unavailable |
| 7 | BEALMEAR RICHARD CRAIG Chief Financial Officer | 0.01% | ConversionConversion or exercise of derivative securities. Read alongside sale rows before treating it as bearish.Transaction context
Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership. | 22.10K | $3.18 | $70,265 | Oct 2, 2026Filing date unavailableOriginal filing link unavailable |
| 8 | NARAYANADAS VIVEK General Counsel | <0.01% | UnclassifiedThe available record does not identify a purchase, sale, or other action. Do not infer a trade direction.Transaction context
Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership. | 1.01K | Not reported | Not reported | Oct 2, 2026Filing date unavailableOriginal filing link unavailable |
| 9 | BEALMEAR RICHARD CRAIG Chief Financial Officer | <0.01% | SaleOpen-market or direct sale reported on Form 4.Transaction context
Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership. | 16.48K | $36.87 | $607,507 | Oct 1, 2026Filing date unavailableOriginal filing link unavailable |
| 10 | DEWITTE JACOB Chief Executive Officer | 0.06% | SaleOpen-market or direct sale reported on Form 4.Transaction context
Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership. | 120.00K | $36.51 | $4,381,400 | Oct 1, 2026Filing date unavailableOriginal filing link unavailable |
| 11 | COCHRAN CAROLINE Chief Operating Officer | 0.06% | SaleOpen-market or direct sale reported on Form 4.Transaction context
Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership. | 120.00K | $36.51 | $4,381,400 | Oct 1, 2026Filing date unavailableOriginal filing link unavailable |
| 12 | GOODWIN WILLIAM CARROLL MURPHY Officer | <0.01% | SaleOpen-market or direct sale reported on Form 4.Transaction context
Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership. | 1.77K | $37.39 | $66,367 | Sep 28, 2026Filing date unavailableOriginal filing link unavailable |
Frequently asked
Questions about this quote
Who are the largest OKLO shareholders?
Mirae Asset Global ETFs Holdings Ltd. is the largest reported institutional holder of OKLO, with 8.94 million shares, or about 4.80% of shares outstanding.
What does the institutional filing activity show for OKLO?
Oklo Inc. has 10 institutional rows on file. Previous position sizes are unavailable, so increases and reductions cannot be determined.
What insider transactions are available for OKLO?
TECHi shows 120 dated OKLO insider transactions through Oct 19, 2026, with transaction types kept separate so administrative actions are not presented as open-market trades.
Are OKLO insiders buying or selling?
The displayed OKLO activity reads Net selling: 72 sales and 0 purchases. Other transaction types remain separate.
Who is the most active reported OKLO insider?
DEWITTE JACOB has the largest absolute share movement in the displayed OKLO filing rows, totaling 20.02 million shares. The action labels provide the transaction context.
What this page answers
Check who owns the float and whether insiders are active.
Explore Institutional concentration, insider transaction pattern, and float context.
Keep in mind Filings are delayed or transactions are administrative rather than economic.
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