Oklo OKLO Institutional Ownership

NYSE OKLO

$36.81 -0.21 (-0.57%)

As of: Oct 1, 2026 · 10:13 AM EDT

Institutions by Trading Activity

672 Institutions

Increased 390 58.0%

Unchanged 107 15.9%

Reduced 175 26.0%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

46.99%

▼-5.39 pp QoQ

Shares Held by Institutions

82.80Mn

of 176.22Mn outstanding

▼-1.19% QoQ

Shares Outstanding

176.22Mn

93.42Mn held outside 13F filers

Institutional Investors

672

filed 13F for Jun 2026

▼-2 vs prior quarter

Net Shares Added (QoQ)

-997.61K

distributed since last quarter

Value of Holdings

$3.07Bn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Quarter ending 30 Jun, 2026

Oklo Inc. (NYSE:OKLO) appears in 672 institutional 13F filings for the quarter ending June 2026.

They owned 47.0% of outstanding stock in June 2026, down from 52.4% the prior quarter.
They decreased total shares held in Oklo by -1.19% from the prior quarter, while the number of investors in OKLO increased 40.88% year over year.
During the quarter, 390 of these 672 funds increased positions in OKLO, 175 reduced exposure, and 107 held steady.
Combined, these investors held 82.8Mn shares in OKLO for June 2026, down by 997.61K shares quarter on quarter, and up 30.17Mn shares year over year.
As of June 30, 2026, MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. held the largest stake in Oklo with 8.94Mn shares, accounting for 5.07% of total shares outstanding.
Top purchasers of OKLO stock for the quarter ending June 2026 included VAN ECK ASSOCIATES CORP (1.83Mn), NORGES BANK (1.76Mn), Sixth Street Partners Management Company, L.P. (1.14Mn), MARSHALL WACE, LLP (1.07Mn), UBS Group AG (888.85K).
Top sellers of OKLO stock for the quarter ending June 2026 included BlackRock, Inc. (8.6Mn), Defiance ETFs, LLC (3.5Mn), State Street Corp (948.08K), GEODE CAPITAL MANAGEMENT, LLC (689.72K), Northern Trust Corp (436.68K).
Business Quant data shows the 10 biggest positions in Oklo as of June 2026 are held by MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. (8.94Mn), VAN ECK ASSOCIATES CORP (7.91Mn), BlackRock, Inc. (7.31Mn), VANGUARD CAPITAL MANAGEMENT LLC (6.54Mn), VANGUARD PORTFOLIO MANAGEMENT LLC (6.43Mn), Morgan Stanley (3.26Mn), State Street Corp (2.38Mn), GEODE CAPITAL MANAGEMENT, LLC (2.36Mn), UBS Group AG (2.1Mn), NORGES BANK (1.76Mn).

Form 13F Holdings

671 Institutional Holders

Report period 30 Jun, 2026

Total shares held 82.80Mn

Of outstanding 46.99%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.	0001705339	8,935,822	5.07%	▲79,326	+0.90%	$467.61Mn
2	VAN ECK ASSOCIATES CORP	0000869178	7,912,353	4.49%	▲1,830,836	+30.10%	$414.05Mn
3	BlackRock, Inc.	0002012383	7,311,968	4.15%	▼8,595,544	-54.03%	$382.64Mn
4	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	6,539,334	3.71%	▲708,401	+12.15%	$342.20Mn
5	VANGUARD PORTFOLIO MANAGEMENT LLC	0002100121	6,425,515	3.65%	▲187,597	+3.01%	$336.25Mn
6	Morgan Stanley	0000895421	3,262,878	1.85%	▲581,140	+21.67%	$170.75Mn
7	State Street Corp	0000093751	2,378,058	1.35%	▼948,084	-28.50%	$124.44Mn
8	GEODE CAPITAL MANAGEMENT, LLC	0001214717	2,364,428	1.34%	▼689,721	-22.58%	$123.76Mn
9	UBS Group AG	0001610520	2,095,153	1.19%	▲888,854	+73.68%	$109.64Mn
10	NORGES BANK	0001374170	1,758,267	1.00%	▲1,758,267	0.00%	$92.01Mn
11	Clear Street Group Inc.	0001881567	1,329,523	0.75%	▲830,081	+166.20%	$69.57Mn
12	JANE STREET GROUP, LLC	0001595888	1,269,146	0.72%	▲736,146	+138.11%	$66.41Mn
13	Marex Group Ltd	0001997464	1,207,636	0.69%	▲617,772	+104.73%	$63.20Mn
14	NATIONAL BANK OF CANADA /FI/	0000926171	1,185,312	0.67%	▲576,148	+94.58%	$62.07Mn
15	Goldman Sachs Group Inc	0000886982	1,148,200	0.65%	▲106,274	+10.20%	$60.09Mn
16	Sixth Street Partners Management Company, L.P.	0001812095	1,138,236	0.65%	▲1,138,236	0.00%	$59.56Mn
16	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0000884546	1,138,236	0.65%	▼47,495	-4.01%	$59.56Mn
17	CANTOR FITZGERALD, L. P.	0001024896	1,091,138	0.62%	▲606,597	+125.19%	$57.10Mn
18	MARSHALL WACE, LLP	0001318757	1,066,394	0.61%	▲1,066,394	0.00%	$55.80Mn
19	VANGUARD FIDUCIARY TRUST CO	0000933478	880,052	0.50%	▲59,422	+7.24%	$46.05Mn

Showing 1 to 20 of 671 holders