Oklo Ownership | Who Owns Oklo?

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Oklo Ownership Summary

Oklo is owned by 48.47% institutional investors, 15.42% insiders, and 36.11% retail investors. Vanguard group is the largest institutional shareholder, holding 7.74% of OKLO shares. The Merger Fund A is the top mutual fund, with 0.43% of its assets in Oklo shares.

OKLO Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Oklo	48.47%	15.42%	36.11%
Sector	Utilities Stocks	65.34%	6.66%	28.01%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Vanguard group	11.64M	7.74%	$835.11M
Mirae asset global etfs	8.94M	5.25%	$467.61M
Van eck associates	7.91M	4.65%	$414.05M
Blackrock funding, inc. /de	7.31M	4.29%	$382.64M
Vanguard capital management	6.54M	3.84%	$342.20M
Morgan stanley	3.26M	1.92%	$170.75M
State street	2.38M	1.40%	$124.44M
Geode capital management	2.36M	1.39%	$123.76M
Ubs group	2.10M	1.23%	$109.64M
Norges bank	1.76M	1.03%	$92.01M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Portland investment counsel	589.48K	8.62%	$30.85M
Firsthand capital management	60.00K	5.02%	$3.14M
Blkbrd asset management, lp	36.65K	4.75%	$1.82M
Darrow company	232.67K	4.72%	$12.18M
Caz investments lp	50.80K	2.77%	$2.66M
Westwood wealth management	97.24K	1.48%	$5.09M
Sheets smith investment management	12.62K	0.91%	$1.41M
Cardiff park advisors	223.34K	0.91%	$11.69M
Legacy bridge	40.70K	0.66%	$2.13M
Cantor fitzgerald, l. p.	1.09M	0.62%	$57.10M

Top Buyers

Holder	Shares	% Assets	Change
Van eck associates	7.91M	0.25%	1.83M
Norges bank	1.76M	0.01%	1.76M
Sixth street partners management company	1.14M	0.01%	1.14M
Marshall wace, llp	1.07M	0.04%	1.07M
Ubs group	2.10M	0.01%	888.85K

Top Sellers

Holder	Shares	% Assets	Change
Blackrock funding, inc. /de	7.31M	0.01%	-8.60M
Encompass capital advisors	-	-	-6.46M
Data collective iv gp	-	-	-5.28M
Tiger global management	-	-	-3.06M
Empyrean capital partners, lp	-	-	-3.06M

New Positions

Holder	Shares	% Assets	Change	Value
Norges bank	1.76M	0.01%	1.76M	$92.01M
Sixth street partners management company	1.14M	0.01%	1.14M	$59.56M
Marshall wace, llp	1.07M	0.04%	1.07M	$55.80M
Gratus capital	739.87K	0.25%	739.87K	$6.27M
Darrow company	232.67K	4.72%	232.67K	$12.18M

Sold Out

Holder	Change
Annis gardner whiting capital advisors	-1.00
Dunhill financial	-2.00
True wealth design	-2.00
Montag a & associates	-3.00
Cullen/frost bankers	-3.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Jun 30, 2026	734	-1.61%	82,565,546	-7.51%	48	1.76%	385	-8.11%	174	-
Mar 31, 2026	485	-35.59%	44,893,957	-39.82%	30	1.25%	286	-32.23%	110	-46.08%
Dec 31, 2025	535	-25.07%	53,082,439	-18.13%	35	1.65%	301	-34.14%	144	-5.88%
Sep 30, 2025	677	34.06%	64,678,591	27.75%	46	3.53%	430	13.46%	148	117.65%
Jun 30, 2025	508	58.26%	53,971,245	56.92%	38	6.18%	375	90.36%	71	-5.33%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
The Merger Fund A	184.60K	0.43%	-115.25K
SPDR® SSGA US Small Cap Low Volatil ETF	57.39K	0.13%	-354.00
Virtus Westchester Event-Driven Fd I	28.13K	0.07%	7.09K
Virtus Westchester Credit Event Fd I	23.39K	0.05%	23.39K
Portland Replacement of Fssl Ful Alt F	10.00K	0.02%	4.00K
Range Nuclear Renaissance ETF	8.90K	0.02%	-
The Merger Fund VL I	2.33K	0.01%	-12.93K

Recent Insider Transactions

Date	Name	Role	Activity	Value
Oct 14, 2026	Renner Alexandra	Chief Product Officer	Sell	$21.16K
Oct 09, 2026	Narayanadas Vivek	General Counsel & Secretary	Sell	$12.63K
Oct 06, 2026	Narayanadas Vivek	General Counsel & Secretary	Sell	$10.74K
Oct 05, 2026	Narayanadas Vivek	General Counsel & Secretary	Sell	$23.32K
Oct 01, 2026	Cochran Caroline	Co-Founder, COO	Sell	$1.45M

Insider Transactions Trends

Date	Buy	Sell
2026 Q4	-	13
2026 Q3	-	46
2026 Q2	-	54
2026 Q1	-	105
2025 Q4	-	20

OKLO Ownership FAQ

Who owns the most shares of Oklo?

Oklo’s largest shareholders are Vanguard group (11.64M shares, 7.74%), Mirae asset global etfs (8.94M shares, 5.25%), and Van eck associates (7.91M shares, 4.65%). Together, they hold 17.63% of Oklo’s total shares outstanding.

Does Blackrock own Oklo?

BlackRock is not among the top 10 institutional shareholders of Oklo.

Who is Oklo’s biggest shareholder by percentage of total assets invested?

Portland investment counsel is Oklo’s biggest shareholder by percentage of total assets invested, with 8.62% of its assets in 589.48K Oklo shares, valued at 30.85M$.

Who is the top mutual fund holder of Oklo shares?

The Merger Fund A is the top mutual fund holder of Oklo shares, with 0.43% of its total shares outstanding invested in 184.6K Oklo shares.

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