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SR One Capital Management, LP

CIK:0001910264
Venture Capital
$2B AUM
13 holdings
Wayne, PA, United States
Founded:2003
24 employees
Latest filing:Jun 30, 2025

SR One Capital Management, LP is a biotechnology-focused venture capital firm headquartered in Wayne, Pennsylvania, with additional offices in San Francisco, CA and London, UK. Originally founded as the corporate venture capital arm of GlaxoSmithKline in 2003, it now operates independently. The firm specializes in early-stage and growth investments in life sciences, particularly in therapeutics, medical devices, and healthcare services. SR One supports its portfolio with both financial investment and strategic guidance, aiming to transform cutting-edge scientific research into impactful medicines for patients with significant unmet needs. The firm employs approximately 24 to 42 people, depending on the source, and maintains a transatlantic reach in key biotech hubs.

Investment Strategy

SR One takes a back-and-build approach to venture investing, focusing on companies with strong underlying science and a clear path to development. Its strategy prioritizes asset-centric, innovation-driven biotechnology companies with the potential to address diseases from new scientific perspectives. The team partners closely with entrepreneurs and scientists to foster next-generation therapies, providing both capital and operational expertise to accelerate growth and advance medical innovation. SR One typically invests in early-stage and select later-stage private biotech companies, with a thematic focus on novel targets and platforms with high transformative potential.

Top Buys
O
ORICORIC Pharmaceuticals, Inc.
+$45.8M
S
SPRYARS Pharmaceuticals, Inc.
+$19.5M
C
CRSPCRISPR Therapeutics AG
+$15.3M
Z
ZBIOZenas BioPharma, Inc
+$8.8M
D
DSGNDesign Therapeutics, Inc.
-$3.2M
Top Sells
C
CRSPCRISPR Therapeutics AG
+$15.3M
Z
ZBIOZenas BioPharma, Inc
+$8.8M
M
MLYSMineralys Therapeutics Inc.
-$7.4M
A
ALMSAlumis Inc.
-$6.2M
D
DSGNDesign Therapeutics, Inc.
-$3.2M

Top Holdings

A
ACLXArcellx, Inc.
+33.5%$154.5M
S
SPRYARS Pharmaceuticals, Inc.
+15.2%$70.0M
C
CRSPCRISPR Therapeutics AG
+11.1%$51.0M
Z
ZBIOZenas BioPharma, Inc
+10.3%$47.6M
O
ORICORIC Pharmaceuticals, Inc.
+9.9%$45.8M

Equity Positions (12)

TickerSecurityWeightMarket ValueSharesAvg CostPriceChange (QoQ)
A
ACLX
Arcellx, Inc.33.49%$154.5M2,346,630$14.02$65.85+$586.7K
S
SPRY
ARS Pharmaceuticals, Inc.15.18%$70.0M4,012,903$8.02$17.45+$19.5M
C
CRSP
CRISPR Therapeutics AG11.06%$51.0M1,048,951$68.18$48.64+$15.3M
Z
ZBIO
Zenas BioPharma, Inc10.32%$47.6M4,911,539$16.92$9.69+$8.8M
O
ORIC
ORIC Pharmaceuticals, Inc.9.93%$45.8M4,514,929$10.15$10.15+$45.8M

Industry Allocation

PHARMACEUTICAL PREPARATIONS
+52.5%
BIOLOGICAL PRODUCTS, (NO DIAGNOSTIC SUBSTANCES)
+45.1%