Eagle Health Investments LP

Hedge Fund • Long/Short

Eagle Health Investments LP is a Long/Short Hedge Fund based in Greenwich, CT led by Gary Johnathan Stern, reporting $711.9M in AUM as of Q3 2025 with 83% Healthcare concentration and 76% concentrated in top 10 holdings.

FounderGary Johnathan Stern

Portfolio Value: $380.9M
Positions: 23
Top Holding: ARGX at 14.99%
Last Reported: Q3 2025

Address3 Greenwich Office Park 3fl, Suite 330, Greenwich, CT, 06831, United States

Top Holdings

Largest long holdings in Eagle Health Investments LP's portfolio (75.6% of total portfolio)

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Holding	Sector	Position	Weight	Traded	Ownership	Owned Since
1 ARGX argenx ARGX	Unknown Unknown	$57.1M	14.99%	—	— 77.4K shares	Q4 2022 Held for 2y 11m
2 Insmed INSM	Biotechnology Healthcare	$39.1M	10.27%	-$22.6M Sold	0.13% 271.6K shares	Q2 2024 Held for 1y 5m
3 Natera, Inc. NTRA	Medical - Diagnostics & Research Healthcare	$32.8M	8.61%	-$5.2M Sold	0.15% 203.7K shares	Q4 2020 Held for 4y 11m
4 Icon ICLR	Medical - Diagnostics & Research Healthcare	$32.0M	8.39%	-$3.5M Sold	0.23% 182.6K shares	Q4 2022 Held for 2y 11m
5 Illumina ILMN	Medical - Diagnostics & Research Healthcare	$30.6M	8.03%	-$2.0M Sold	0.21% 322.3K shares	Q2 2022 Held for 3y 5m
6 Neurocrine Biosciences NBIX	Drug Manufacturers - Specialty & Generic Healthcare	$22.9M	6.00%	-$7.6M Sold	0.16% 162.8K shares	Q3 2024 Held for 1y 2m
7 Ultragenyx Pharmaceutical RARE	Biotechnology Healthcare	$21.0M	5.50%	+$2.1M Bought	0.72% 697.0K shares	Q1 2024 Held for 1y 8m
8 BioMarin Pharmaceuticals BMRN	Biotechnology Healthcare	$19.9M	5.22%	—	0.19% 366.8K shares	Q2 2024 Held for 1y 5m
9 Guardant Health GH	Medical - Diagnostics & Research Healthcare	$17.8M	4.66%	+$4.5M Bought	0.23% 284.1K shares	Q2 2025 Held for 5 months
10 Exact Sciences EXAS	Medical - Diagnostics & Research Healthcare	$14.8M	3.89%	+$2.6M Bought	0.14% 271.0K shares	Q1 2024 Held for 1y 8m

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GthenH

Changes

Portfolio activity, position movements, and quarter-over-quarter changes in Eagle Health Investments LP's latest filing

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Market Value

$380.9M

Prior: $405.2M

Q/Q Change

-5.98%

-$24.2M

Net Flows % of MV

-17.29%

Turnover Ratio

16.95%

New Purchases

4 stocks

$18.6M

Added To

5 stocks

+$13.0M

Sold Out Of

2 stocks

$42.9M

Reduced Holdings

7 stocks

-$54.6M

Increased Positions

Position	Shares Δ	Change
1 Fortrea Holdings Inc. FTRE	New	0 → 988.8K +$8.3M
2 CMPS Compass Pathways CMPS	New	0 → 935.5K +$5.4M
3 CNTA Centessa Pharmaceuticals CNTA	New	0 → 103.1K +$2.5M
4 Alkermes ALKS	New	0 → 81.8K +$2.5M
5 Scholar Rock SRRK	+34.86%	269.4K → 363.3K +$3.5M

Decreased Positions

Position	Shares Δ	Change
1 DexCom DXCM	Sold	273.8K → 0 −$23.9M
2 UnitedHealth Group UNH	Sold	60.9K → 0 −$19.0M
3 Alnylam Pharmaceuticals ALNY	-48.6%	46.1K → 23.7K −$10.2M
4 Insmed INSM	-36.63%	428.6K → 271.6K −$22.6M
5 Agios Pharmaceuticals AGIO	-25.57%	330.8K → 246.2K −$3.4M