Lloyd Harbor Capital Management, LLC

Position in DNN — Denison Mines Corp.

CIK 1847935 COLD SPRING HARBOR, NY

Back to DNN Full portfolio

Position in DNN

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$4,743,000

+$1,566,000 QoQ

Shares Held

1,550,000

+72.2% QoQ

Ownership

0.171%

of shares outstanding

% of Portfolio

7.55%

of 13F equity value

Holder Rank

#48

of 283 holders

Holding Since

Mar 2023

14 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Common Shares in DNN Over Time

Shares Held

Position Value (USD)

Derivatives in DNN

reported options exposure · as of Jun 30, 2026

CallValue

$3,519,000

CallShares

1,150,000

PutValue

PutShares

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Uranium

Energy · as of Jun 30, 2026

Lloyd Harbor Capital Management, LLC holds $13,733,817 across 3 Uranium names. DNN ranks #2 (34.5% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	URG	Ur-Energy Inc	4,976,507	$6,768,049
2	DNN	Denison Mines Corp. This page	1,550,000	$4,743,000
3	UROY	Uranium Royalty Corp.	799,557	$2,222,768

All Filings in DNN

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17 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$4,743,000	1,550,000	+72.2%	Shares	Sole	2026-08-14
2026-06-30	$3,519,000	1,150,000	+666.7%	Call	Sole	2026-08-14
2026-03-31	$529,500	150,000	+50.0%	Call	Sole	2026-05-15
2026-03-31	$3,177,000	900,000	-85.2%	Shares	Sole	2026-05-15
2025-12-31	$16,226,000	6,100,000	+41.8%	Shares	Sole	2026-02-17
2025-09-30	$275,000	100,000	—	Call	Sole	2025-11-14
2025-09-30	$11,826,820	4,300,662	-35.9%	Shares	Sole	2025-11-14
2025-06-30	$12,212,494	6,710,162	+4.7%	Shares	Sole	2025-08-14
2025-03-31	$8,333,210	6,410,162	+211.1%	Shares	Sole	2025-05-15
2024-12-31	$3,708,291	2,060,162	-43.7%	Shares	Sole	2025-02-14
2024-09-30	$6,698,096	3,660,162	-40.7%	Shares	Sole	2024-11-14
2024-06-30	$12,288,281	6,175,016	+168.5%	Shares	Sole	2024-08-14
2024-03-31	$4,485,000	2,300,000	-70.8%	Shares	Sole	2024-05-15
2023-12-31	$13,941,861	7,876,758	-30.9%	Shares	Sole	2024-02-14
2023-09-30	$18,808,341	11,398,995	-19.0%	Shares	Sole	2023-11-14
2023-06-30	$17,581,928	14,065,543	+1.4%	Shares	Sole	2023-08-14
2023-03-31	$15,118,474	13,870,160	—	Shares	Sole	2023-05-15
No filing history on record for this holder in this stock.