Costello Asset Management, INC

Position in OKLO — Oklo Inc.

CIK 1760145 FEASTERVILLE, PA

Position in OKLO

as of Jun 30, 2026 · filed Jul 28, 2026 Compact

Position Value

$26,165

+$1,370 QoQ

Shares Held

500

0.0% QoQ

Ownership

0.000%

of shares outstanding

% of Portfolio

0.01%

of 13F equity value

Holder Rank

#505

of 665 holders

Holding Since

Jun 2025

5 quarters on record

Voting authority Sole 0% Shared 0% None 100%

Utilities · as of Jun 30, 2026

Costello Asset Management, INC holds $8,544,353 across 6 Utilities - Independent Power Producers names. OKLO ranks #5 (0.3% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	CEG	Constellation Energy Corp	17,623	$4,377,024
2	VST	Vistra Corp.	23,177	$3,676,567
3	NRG	Nrg Energy, Inc.	1,574	$229,898
4	TLN	Talen Energy Corp	546	$209,805
5	OKLO	Oklo Inc. This page	500	$26,165
6	TAC	Transalta Corp	1,800	$24,894

5 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$26,165	500	0.0%	Shares	Sole	2026-07-28
2026-03-31	$24,795	500	+66.7%	Shares	Sole	2026-04-30
2025-12-31	$21,528	300	-40.0%	Shares	Sole	2026-02-03
2025-09-30	$55,815	500	+66.7%	Shares	Sole	2025-11-06
2025-06-30	$16,797	300	—	Shares	Sole	2025-07-24
No filing history on record for this holder in this stock.