CenterBook Partners LP

Position in HNRG — Hallador Energy Co

CIK 1872738 GREENWICH, CT

Position in HNRG

as of Mar 31, 2026 · filed May 5, 2026 Compact

Position Value

$6,885,788

-$5,567,213 QoQ

Shares Held

422,960

-46.2% QoQ

Ownership

0.897%

of shares outstanding

% of Portfolio

0.37%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Sep 2024

4 quarters on record

Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Utilities · as of Mar 31, 2026

CenterBook Partners LP holds $16,543,994 across 5 Utilities - Independent Power Producers names. HNRG ranks #1 (41.6% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	HNRG	Hallador Energy Co This page	422,960	$6,885,788
2	TLN	Talen Energy Corp	17,573	$5,609,828
3	NRG	Nrg Energy, Inc.	13,226	$1,932,847
4	TAC	Transalta Corp	127,512	$1,670,407
5	CEG	Constellation Energy Corp	1,594	$445,124

4 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$6,885,788	422,960	-46.2%	Shares	Sole	2026-05-05
2025-06-30	$12,453,001	786,671	+2371.9%	Shares	Sole	2025-08-12
2025-03-31	$390,811	31,825	-56.0%	Shares	Sole	2025-05-09
2024-09-30	$682,119	72,335	—	Shares	Sole	2024-11-14
No filing history on record for this holder in this stock.