GRITSTONE ASSET MANAGEMENT LLC

Hedge Fund • Sector

GRITSTONE ASSET MANAGEMENT LLC is a Sector-focused Hedge Fund based in Bethesda, MD led by Justin George De Orellana Cressall, reporting $106.4M in AUM as of Q3 2025 with 87% Unknown concentration.

Managing PartnerJustin George De Orellana Cressall

Portfolio Value: $93.9M
Positions: 73
Top Holding: ARCC at 9.71%
Last Reported: Q3 2025

Address4800 Hampden Lane, Suite 200, Bethesda, MD, 20814, United States

Top Holdings

Largest long holdings in GRITSTONE ASSET MANAGEMENT LLC's portfolio (43.3% of total portfolio)

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GthenH

Holding	Sector	Position	Weight	Traded	Ownership	Owned Since
1 Ares Capital ARCC	Asset Management Financial Services	$9.1M	9.71%	+$2.0K Bought	0.06% 446.8K shares	Q4 2024 Held for 11 months
2 CCIX Churchill Capital Corp IX CCIX	Unknown Unknown	$4.7M	4.98%	-$995.9K Sold	1.22% 446.6K shares	Q4 2024 Held for 11 months
3 EQV EQV Ventures Acquisition Corp EQV	Unknown Unknown	$4.2M	4.45%	-$50.0K Sold	0.90% 402.7K shares	Q4 2024 Held for 11 months
4 Oaktree Acquisition Corp. III Life Sciences OACC	Unknown Unknown	$4.2M	4.42%	-$39.2K Sold	1.61% 394.9K shares	Q4 2024 Held for 11 months
5 ALDF Aldel Financial II Inc. ALDF	Unknown Unknown	$4.1M	4.39%	-$51.0K Sold	1.32% 394.2K shares	Q1 2025 Held for 8 months
6 BEAG Blue Eagle Lithium, Inc. BEAG	Unknown Unknown	$3.6M	3.82%	-$43.4K Sold	— 344.5K shares	Q4 2024 Held for 11 months
7 Centurion Acquisition Corp. ALF	Unknown Unknown	$3.1M	3.27%	-$38.1K Sold	0.81% 291.0K shares	Q4 2024 Held for 11 months
8 CUB Lionheart Holdings CUB	Unknown Unknown	$3.1M	3.26%	-$37.8K Sold	— 291.0K shares	Q4 2024 Held for 11 months
9 POLE Andretti Acquisition Corp. II POLE	Unknown Unknown	$2.5M	2.66%	-$30.3K Sold	0.81% 238.8K shares	Q4 2024 Held for 11 months
10 SilverBox SBXD	Unknown Unknown	$2.2M	2.34%	-$129.3K Sold	0.82% 209.8K shares	Q4 2024 Held for 11 months

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GthenH

Changes

Portfolio activity, position movements, and quarter-over-quarter changes in GRITSTONE ASSET MANAGEMENT LLC's latest filing

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GthenC

Market Value

$93.9M

Prior: $89.0M

Q/Q Change

+5.45%

+$4.9M

Net Flows % of MV

+5.89%

Turnover Ratio

17.86%

New Purchases

21 stocks

$19.5M

Added To

1 stocks

+$2.0K

Sold Out Of

14 stocks

$12.2M

Reduced Holdings

53 stocks

-$1.9M

Increased Positions

Position	Shares Δ	Change
1 RAC Rithm Acquisition Corp. RAC	New	0 → 197.6K +$2.0M
2 RAC Rampart Capital Corp RAC	New	0 → 197.6K +$2.0M
3 BCAR D. Boral ARC Acquisition I Corp. Class A Ordinary Shares BCAR	New	0 → 150.0K +$1.5M
4 OTGA OTG Acquisition Corp. I OTGA	New	0 → 125.0K +$1.3M
5 SOCA Solarius Capital Acquisition Corp. Class A Ordinary Share SOCA	New	0 → 125.0K +$1.2M

Decreased Positions

Position	Shares Δ	Change
1 MBAV M3-Brigade Acquisition V Corp. MBAV	Sold	406.2K → 0 −$4.6M
2 Dynamix Corporation DYNX	Sold	250.0K → 0 −$2.6M
3 WLAC Willow Lane Acquisition Corp. Class A Ordinary Shares WLAC	Sold	199.3K → 0 −$2.0M
4 HCM II Acquisition Corp. HOND	Sold	173.8K → 0 −$1.9M
5 AACT.WS Ares Acquisition Corporation II AACT.WS	Sold	487.7K → 0 −$536.5K