WELLINGTON MANAGEMENT GROUP LLP

Position in OKLO — Oklo Inc.

CIK 902219 Boston, MA

Back to OKLO Full portfolio

Position in OKLO

as of Mar 31, 2026 · filed May 15, 2026 Compact

Position Value

$2,809,074

-$15,439,492 QoQ

Shares Held

56,646

-77.7% QoQ

Ownership

0.033%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Jun 2025

4 quarters on record

Voting authority Sole 0.ToString("F0")% Shared 62.21798538290435.ToString("F0")% None 37.78201461709564.ToString("F0")%

Common Shares in OKLO Over Time

Shares Held

Position Value (USD)

Position in Utilities - Independent Power Producers

Utilities · as of Mar 31, 2026

WELLINGTON MANAGEMENT GROUP LLP holds $459,921,934 across 5 Utilities - Independent Power Producers names. OKLO ranks #5 (0.6% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	NRG	Nrg Energy, Inc.	1,273,727	$186,142,461
2	VST	Vistra Corp.	928,037	$139,511,800
3	CEG	Constellation Energy Corp	289,319	$80,792,330
4	TLN	Talen Energy Corp	158,714	$50,666,269
5	OKLO	Oklo Inc. This page	56,646	$2,809,074

All Filings in OKLO

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4 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$2,809,074	56,646	-77.7%	Shares	Defined	2026-05-15
2025-12-31	$18,248,566	254,300	-43.6%	Shares	Defined	2026-02-17
2025-09-30	$50,314,876	450,729	-18.9%	Shares	Defined	2025-11-14
2025-06-30	$31,136,485	556,108	—	Shares	Defined	2025-08-14
No filing history on record for this holder in this stock.