Monashee Investment Management LLC

Hedge Fund • Sector

Monashee Investment Management LLC is a Sector-focused Hedge Fund based in Boston, MA led by Thomas Joseph Wynn, reporting $1.9B in AUM as of Q3 2025 with 53% Unknown concentration.

Managing PartnerThomas Joseph Wynn

Portfolio Value: $186.0M
Positions: 55
Top Holding: BBIO at 5.58%
Last Reported: Q3 2025

Address75 Park Plaza, 4th Floor, Boston, MA, 02116, United States

Top Holdings

Largest long holdings in Monashee Investment Management LLC's portfolio (40.4% of total portfolio)

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Holding	Sector	Position	Weight	Traded	Ownership	Owned Since
1 BridgeBio Pharma BBIO	Biotechnology Healthcare	$10.4M	5.58%	-$2.9M Sold	0.10% 200.0K shares	Q1 2025 Held for 8 months
2 Forward Industries, Inc. FORD	Apparel - Footwear & Accessories Consumer Cyclical	$10.4M	5.57%	+$10.4M New	0.47% 405.4K shares	Q3 2025 Held for 2 months
3 WYFI WhiteFiber, Inc. Ordinary Shares WYFI	Unknown Unknown	$9.6M	5.18%	+$9.6M New	0.94% 355.0K shares	Q3 2025 Held for 2 months
4 FIGR First National Bank Groton N Y FIGR	Unknown Unknown	$7.3M	3.91%	+$7.3M New	— 200.0K shares	Q3 2025 Held for 2 months
5 NTSK Netskope, Inc. Class A Common Stock NTSK	Unknown Unknown	$6.8M	3.67%	+$6.8M New	0.08% 300.0K shares	Q3 2025 Held for 2 months
6 Corebridge Financial CRBG	Asset Management Financial Services	$6.4M	3.45%	+$6.4M Bought	0.04% 200.0K shares	Q3 2025 Held for 2 months
7 LATAM Airlines Group LTM	Unknown Unknown	$6.1M	3.28%	+$2.5M Bought	— 135.0K shares	Q2 2025 Held for 5 months
8 WBI WaterBridge Infrastructure LLC WBI	Unknown Unknown	$6.1M	3.25%	+$6.1M New	0.55% 240.0K shares	Q3 2025 Held for 2 months
9 MIAX Miami International Holdings, Inc. MIAX	Unknown Unknown	$6.0M	3.25%	+$6.0M New	0.18% 150.0K shares	Q3 2025 Held for 2 months
10 AMBQ Ambiq Micro, Inc. AMBQ	Unknown Unknown	$6.0M	3.22%	+$6.0M New	1.10% 200.0K shares	Q3 2025 Held for 2 months

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Changes

Portfolio activity, position movements, and quarter-over-quarter changes in Monashee Investment Management LLC's latest filing

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Market Value

$186.0M

Prior: $181.8M

Q/Q Change

+2.35%

+$4.3M

Net Flows % of MV

-16.07%

Turnover Ratio

83.57%

New Purchases

34 stocks

$115.9M

Added To

2 stocks

+$6.3M

Sold Out Of

28 stocks

$145.4M

Reduced Holdings

5 stocks

-$6.6M

Increased Positions

Position	Shares Δ	Change
1 Forward Industries, Inc. FORD	New	0 → 405.4K +$10.4M
2 WYFI WhiteFiber, Inc. Ordinary Shares WYFI	New	0 → 355.0K +$9.6M
3 FIGR First National Bank Groton N Y FIGR	New	0 → 200.0K +$7.3M
4 NTSK Netskope, Inc. Class A Common Stock NTSK	New	0 → 300.0K +$6.8M
5 WBI WaterBridge Infrastructure LLC WBI	New	0 → 240.0K +$6.1M

Decreased Positions

Position	Shares Δ	Change
1 Eli Lilly LLY	Sold	20.0K → 0 −$15.6M
2 Core Scientific, Inc. CORZ	Sold	700.0K → 0 −$11.9M
3 Kratos Defense & Security Solutions KTOS	Sold	250.0K → 0 −$11.6M
4 Solid Biosciences Inc. SLDB	Sold	2.2M → 0 −$10.5M
5 Galaxy Digital Inc. Class A Common Stock GLXY	Sold	470.0K → 0 −$10.3M