OKLO INC (OKLO) Institutional Shareholders
OKLO INC (OKLO) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026. The institutional investors covered on this page collectively reported approximately $4.35B in OKLO holdings during the latest filing period.
Mirae Asset Global Etfs Holdings Ltd. is currently the largest disclosed institutional shareholder of OKLO tracked by InsiderSet, reporting ownership valued at approximately $467.61M in its June 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $396.57M, representing an estimated loss of -15.19% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 59% of the total disclosed OKLO value among the investors covered in this analysis. Major shareholders include Mirae Asset Global Etfs Holdings Ltd., Van Eck Associates Corp, Blackrock, Inc., and several other long-term asset managers with concentrated positions in OKLO INC (OKLO).
This page ranks the largest institutional OKLO shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
647
Total Reported Value
$4.35B
Largest Holder
Mirae Asset Global Etfs Holdings Ltd.
Largest Position
$467.61M
Insider Transactions (90d)
46
Latest Filing Quarter
Q2 2026
New Institutional Positions
60
Funds Exiting Positions
1
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Mirae Asset Global Etfs Holdings Ltd. | 0.56% | 8,935,822 | $467,611,565 | $396,571,780 | -$71,039,785 | -15.19% | |
| Van Eck Associates Corp | 0.25% | 7,912,353 | $414,053,432 | $351,150,226 | -$62,903,206 | -15.19% | |
| Blackrock, Inc. | 0.01% | 7,311,968 | $382,635,288 | $324,505,140 | -$58,130,148 | -15.19% | |
| Vanguard Capital Management Llc | 0.01% | 6,539,334 | $342,203,348 | $290,215,643 | -$51,987,705 | -15.19% | |
| Vanguard Portfolio Management Llc | 0.02% | 6,425,515 | $336,247,200 | $285,164,356 | -$51,082,844 | -15.19% | |
| Morgan Stanley | 0.01% | 3,262,878 | $170,746,450 | $144,806,526 | -$25,939,924 | -15.19% | |
| State Street Corp | 0.00% | 2,378,058 | $124,443,775 | $105,538,214 | -$18,905,561 | -15.19% | |
| Geode Capital Management, Llc | 0.01% | 2,364,428 | $123,764,606 | $104,933,315 | -$18,831,291 | -15.22% | |
| Ubs Group Ag | 0.02% | 2,095,153 | $109,639,356 | $92,982,890 | -$16,656,466 | -15.19% | |
| Peakshares Llc | 0.08% | 2,000 | $104,660,000 | $88,760 | -$104,571,240 | -99.92% | |
| Norges Bank | 0.01% | 1,758,267 | $92,010,112 | $78,031,889 | -$13,978,223 | -15.19% | |
| Clear Street Group Inc. | 0.22% | 1,329,523 | $69,573,939 | $59,004,231 | -$10,569,708 | -15.19% | |
| Jane Street Group, Llc | 0.04% | 1,269,146 | $66,414,410 | $56,324,699 | -$10,089,711 | -15.19% | |
| Marex Group Plc | 0.54% | 1,207,636 | $63,195,592 | $53,594,886 | -$9,600,706 | -15.19% | |
| National Bank Of Canada | 0.05% | 1,185,312 | $62,071,940 | $52,604,147 | -$9,467,793 | -15.25% | |
| Goldman Sachs Group Inc | 0.01% | 1,148,200 | $60,085,306 | $50,957,116 | -$9,128,190 | -15.19% | |
| Charles Schwab Investment Management Inc | 0.01% | 1,138,236 | $59,563,890 | $50,514,914 | -$9,048,976 | -15.19% | |
| Sixth Street Partners Management Company, L.P. | 0.01% | 1,138,236 | $59,563,890 | $50,514,914 | -$9,048,976 | -15.19% | |
| Cantor Fitzgerald, L. P. | 1.12% | 1,091,138 | $57,099,252 | $48,424,704 | -$8,674,548 | -15.19% | |
| Marshall Wace, Llp | 0.05% | 1,066,394 | $55,804,398 | $47,326,566 | -$8,477,832 | -15.19% | |
| Vanguard Fiduciary Trust Co | 0.01% | 880,052 | $46,053,121 | $39,056,708 | -$6,996,413 | -15.19% | |
| Northern Trust Corp | 0.00% | 716,383 | $37,488,322 | $31,793,078 | -$5,695,244 | -15.19% | |
| Susquehanna International Group, Llp | 0.03% | 678,175 | $35,488,898 | $30,097,407 | -$5,391,492 | -15.19% | |
| Bank Of Montreal | 0.01% | 677,701 | $35,464,093 | $30,076,370 | -$5,387,723 | -15.19% | |
| Lpl Financial Llc | 0.01% | 629,015 | $32,916,344 | $27,915,686 | -$5,000,658 | -15.19% | |
| Bank Of America Corp | 0.00% | 592,471 | $31,004,017 | $26,293,863 | -$4,710,154 | -15.19% | |
| Portland Investment Counsel Inc. | 8.62% | 589,480 | $30,847,488 | $26,161,122 | -$4,686,366 | -15.19% | |
| Bank Of New York Mellon Corp | 0.00% | 468,802 | $24,532,426 | $20,805,433 | -$3,726,993 | -15.19% | |
| Wells Fargo & Company/Mn | 0.00% | 434,127 | $22,717,882 | $19,266,556 | -$3,451,326 | -15.19% | |
| Ubs Am, A Distinct Business Unit Of Ubs Asset Management Americas Llc | 0.00% | 451,280 | $22,378,976 | $20,027,806 | -$2,351,170 | -10.51% | |
| Raymond James Financial Inc | 0.01% | 398,843 | $20,871,454 | $17,700,652 | -$3,170,802 | -15.19% | |
| ARK Invest | Cathie Wood | 0.13% | 372,257 | $19,480,209 | $16,520,766 | -$2,959,443 | -15.19% |
| Mirae Asset Global Investments Co., Ltd. | 0.04% | 352,541 | $18,448,471 | $15,645,770 | -$2,802,701 | -15.19% | |
| Exchange Traded Concepts, Llc | 0.08% | 310,563 | $16,251,761 | $13,782,786 | -$2,468,975 | -15.19% | |
| Swiss National Bank | 0.01% | 287,600 | $15,050,108 | $12,763,688 | -$2,286,420 | -15.19% | |
| Fmr Llc | 0.00% | 283,221 | $14,820,963 | $12,569,348 | -$2,251,615 | -15.19% | |
| Millennium Management Llc | 0.01% | 278,978 | $14,598,919 | $12,381,044 | -$2,217,875 | -15.19% | |
| Nuveen, Llc | 0.00% | 255,304 | $13,360,060 | $11,330,392 | -$2,029,668 | -15.19% | |
| Rockefeller Capital Management L.P. | 0.02% | 253,057 | $13,242,474 | $11,230,670 | -$2,011,804 | -15.19% | |
| Russell Investments Group, Ltd. | 0.01% | 250,323 | $13,099,400 | $11,109,335 | -$1,990,065 | -15.19% | |
| Royal Bank Of Canada | 0.00% | 248,080 | $12,981,000 | $11,009,790 | -$1,971,210 | -15.19% | |
| Darrow Company, Inc. | 4.72% | 232,670 | $12,175,621 | $10,325,895 | -$1,849,726 | -15.19% | |
| Cardiff Park Advisors, Llc | 0.91% | 223,340 | $11,687,382 | $9,911,829 | -$1,775,553 | -15.19% | |
| Trexquant Investment Lp | 0.07% | 208,730 | $10,922,841 | $9,263,437 | -$1,659,404 | -15.19% | |
| Citigroup Inc | 0.00% | 205,222 | $10,739,267 | $9,107,752 | -$1,631,515 | -15.19% | |
| Openarc Corporate Advisory, Llc | 0.13% | 200,884 | $10,512,260 | $8,915,232 | -$1,597,028 | -15.19% | |
| California Public Employees Retirement System | 0.01% | 183,331 | $9,593,711 | $8,136,230 | -$1,457,481 | -15.19% | |
| Corient Private Wealth Llc | 0.01% | 182,489 | $9,549,762 | $8,098,862 | -$1,450,900 | -15.19% | |
| Cetera Investment Advisers | 0.01% | 181,474 | $9,496,520 | $8,053,816 | -$1,442,704 | -15.19% | |
| Foundations Investment Advisors, Llc | 0.09% | 161,780 | $8,465,957 | $7,179,796 | -$1,286,161 | -15.19% |
Frequently asked questions about OKLO
Who owns the most OKLO stock?
The largest holders of OKLO are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for OKLO INC (OKLO).
Is OKLO widely held by superinvestors?
Many widely followed stocks like OKLO appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly OKLO is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.