Oklo Inc. (OKLO) Institutional Ownership

Institutions by Trading Activity

150,364,909Shares Outstanding

76,018,226Shares held by institutions

$4,759,501,130Value of institutional holdings

50.56%Institutional ownership %

15.99%Shares Changed QoQ

659No. of institutional investors

Oklo Inc. (NYSE:OKLO) has 659 institutional investors with active 13F positions as of December 2025.

They owned 49.8% of outstanding stock in December 2025, up from 45.3% the prior quarter.
Their total shares held in OKLO increased 14.47% quarter over quarter, and separately, investors owning Oklo increased 180.43% from a year ago.
Of these 659 holders, 406 added to their stakes in Oklo, 188 trimmed positions, and 65 made no changes.
Altogether, these fund groups held 74.83Mn shares in OKLO by December 2025, up by 9.46Mn shares quarter on quarter, and up 30.96Mn shares year over year.
Noble Wealth Management PBC holds the largest position in OKLO at 600 shares as of December 31, 2025, or 0.0% of shares outstanding.
Top purchasers of OKLO stock for the quarter ending December 2025 included Ares Financial Consulting, LLC (376), Hilltop National Bank (50), ADIRONDACK TRUST CO (15).
The biggest sellers of Oklo for the quarter ending December 2025 included Noble Wealth Management PBC (225).
According to Business Quant data, leading holders of OKLO for December 2025 are Noble Wealth Management PBC (600), Ares Financial Consulting, LLC (376), Sankala Group LLC (175), Hilltop National Bank (150), ADIRONDACK TRUST CO (94).

76,018,226 Total Shares Held

Rows:

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
BlackRock, Inc.	31 Dec, 2025	14,820,434	6,204,837	72.02%	$1,063,514,343.00
VANGUARD GROUP INC	31 Dec, 2025	11,637,504	44,036	0.38%	$835,107,287.00
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.	31 Dec, 2025	7,823,237	721,003	10.15%	$561,395,487.00
VAN ECK ASSOCIATES CORP	31 Dec, 2025	3,956,281	481,288	13.85%	$283,902.00
State Street Corp	31 Dec, 2025	3,060,220	584,184	23.59%	$219,601,387.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	2,816,007	185,265	7.04%	$201,670,887.00
Morgan Stanley	31 Dec, 2025	1,884,091	-411,258	-17.92%	$135,202,469.00
Goldman Sachs Group Inc	31 Dec, 2025	1,818,526	1,327,414	270.29%	$130,497,426.00
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	31 Dec, 2025	1,160,278	90,213	8.43%	$83,261,549.00
NORGES BANK	31 Dec, 2025	1,028,227	1,028,227	0.00%	$73,785,570.00
Northern Trust Corp	31 Dec, 2025	1,019,285	52,826	5.47%	$73,143,892.00
UBS Group AG	31 Dec, 2025	1,003,080	-1,520,407	-60.25%	$71,981,021.00
Clear Street Group Inc.	31 Dec, 2025	842,172	442,172	110.54%	$60,434,263.00
CANTOR FITZGERALD, L. P.	31 Dec, 2025	790,801	-1,333,199	-62.77%	$56,747,880.00
Marex Group plc	31 Dec, 2025	788,051	133,407	20.38%	$56,550,540.00
Bank Of Montreal /Can/	31 Dec, 2025	706,273	643,746	1,029.55%	$50,682,150.00
PORTLAND INVESTMENT COUNSEL INC.	31 Dec, 2025	622,830	-143,650	-18.74%	$44,625,544.00
Bank of New York Mellon Corp	31 Dec, 2025	510,941	132,418	34.98%	$36,665,160.00
Capital World Investors	31 Dec, 2025	505,938	24,923	5.18%	$36,306,111.00
LPL Financial LLC	31 Dec, 2025	501,615	14,096	2.89%	$35,995,892.00

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