Saturn V Capital Management LP

In its 13F for Q4 2024 (holdings as of December 31, 2024, filed February 14, 2025), Saturn V Capital Management LP reported 24 stock positions worth $255.4 million. Its top holding was Disc Medicine (IRON) at 12.6% of the portfolio, followed by Ascendis Pharma A/S (ASND, 10.7%) and Moonlake Immunotherapeutics (MLTX, 7.3%). Compared with Q3 2024, it opened 5 new positions, sold out of 6, added to 10 and reduced 8. The biggest buy was a new position in Xenon Pharmaceuticals (XENE) and the biggest sale an exit from Phathom Pharmaceuticals (PHAT).

Most Recent 13F
Q2 2026
Location
AUSTIN, TX
CIK
0001964437
Portfolio Value
$255.4M (Q4 2024)
SEC Filing
0001964437-25-000003 ↗ filed Feb 14, 2025

Holdings Value

0$200.0M$400.0M$600.0M$800.0M Q1 2024: $249.4M Q1 2024 Q2 2024: $264.6M Q2 2024 Q3 2024: $279.8M Q3 2024 Q4 2024: $255.4M $255.4M Q4 2024 Q1 2025: $198.2M Q1 2025 Q2 2025: $246.8M Q2 2025 Q3 2025: $456.0M Q3 2025 Q4 2025: $544.9M Q4 2025 Q1 2026: $552.2M Q1 2026 Q2 2026: $697.5M Q2 2026

Holdings 24 stocks · $255.4M

IRON Disc Medicine Inc. 12.65% 509,406 $32.3M Reduce -0.3%
ASND Ascendis Pharma A/S 10.73% 198,977 $27.4M Reduce -0.7%
MLTX Moonlake Immunotherapeutics 7.34% 346,111 $18.7M Add +15.8%
CGON CG Oncology Inc. 6.66% 593,262 $17.0M Add +14.1%
PCVX Vaxcyte Inc. 6.55% 204,285 $16.7M Reduce -0.3%
CYTK Cytokinetics Inc. 6.42% 348,364 $16.4M Add +5.2%
CRGX Cargo Therapeutics Inc. 5.69% 1,007,677 $14.5M Add +0.5%
CELC Celcuity Inc. 5.45% 1,063,783 $13.9M Add +12.4%
SNDX Syndax Pharmaceuticals Inc. 5.12% 988,528 $13.1M Add +96.9%
XENE Xenon Pharmaceuticals Inc. 4.95% 322,470 $12.6M New
ARGX Argenx SE - ADR 4.76% 19,754 $12.1M Reduce -10.7%
COGT Cogent Biosciences Inc. 4.58% 1,498,425 $11.7M Reduce -12.5%
MRUS Merus NV 3.86% 234,637 $9.9M Add +78.8%
CTNM Contineum Therapeutics Inc. Class A 3.29% 573,022 $8.4M Add +641.3%
ABVX Abivax SA-ADR 1.87% 653,071 $4.8M Add +0.8%
KALV Kalvista Pharmaceuticals Inc. 1.85% 556,489 $4.7M No change
INZY Inozyme Pharma Inc. 1.49% 1,374,582 $3.8M Add +0.4%
IRWD Ironwood Pharmaceuticals Inc. 1.41% 814,533 $3.6M Reduce -27.3%
AMLX Amylyx Pharmaceuticals Inc. 1.32% 889,073 $3.4M New
CRNX Crinetics Pharmaceuticals Inc. 1.18% 59,125 $3.0M Reduce -46.0%
SLN Silence Therapeutics PLC-ADR 1.06% 395,024 $2.7M Reduce -17.9%
NAMS Newamsterdam Pharma Co. NV 1.01% 100,000 $2.6M New
OCUL Ocular Therapeutix Inc. 0.64% 191,456 $1.6M New
MBX MBX Biosciences Inc. 0.13% 18,000 $332K New

Portfolio Sells Q3 2024 → Q4 2024

PHAT Phathom Pharmaceuticals Inc. Sold out 0.00% −5.65
SLN Silence Therapeutics PLC-ADR Reduce -17.9% 1.06% −2.06
NMRA Neumora Therapeutics Inc. Sold out 0.00% −2.04
COGT Cogent Biosciences Inc. Reduce -12.5% 4.58% −2.04
PCVX Vaxcyte Inc. Reduce -0.3% 6.55% −1.82
BMRN Biomarin Pharmaceutical Inc. Sold out 0.00% −0.94
CRNX Crinetics Pharmaceuticals Inc. Reduce -46.0% 1.18% −0.82
ITOS Iteos Therapeutics Inc. Sold out 0.00% −0.71
AVBP Arrivent Biopharma Inc. Sold out 0.00% −0.40
LBPH Longboard Pharmaceuticals Inc. Sold out 0.00% −0.38
IRWD Ironwood Pharmaceuticals Inc. Reduce -27.3% 1.41% −0.24
ASND Ascendis Pharma A/S Reduce -0.7% 10.73% +0.04
ARGX Argenx SE - ADR Reduce -10.7% 4.76% +0.47
IRON Disc Medicine Inc. Reduce -0.3% 12.65% +3.67

Portfolio Buys Q3 2024 → Q4 2024

XENE Xenon Pharmaceuticals Inc. New 4.95% +4.95
CTNM Contineum Therapeutics Inc. Class A Add +641.3% 3.29% +2.76
MLTX Moonlake Immunotherapeutics Add +15.8% 7.34% +1.95
SNDX Syndax Pharmaceuticals Inc. Add +96.9% 5.12% +1.66
MRUS Merus NV Add +78.8% 3.86% +1.52
AMLX Amylyx Pharmaceuticals Inc. New 1.32% +1.32
NAMS Newamsterdam Pharma Co. NV New 1.01% +1.01
OCUL Ocular Therapeutix Inc. New 0.64% +0.64
CELC Celcuity Inc. Add +12.4% 5.45% +0.41
CYTK Cytokinetics Inc. Add +5.2% 6.42% +0.17
MBX MBX Biosciences Inc. New 0.13% +0.13
CGON CG Oncology Inc. Add +14.1% 6.66% −0.35
ABVX Abivax SA-ADR Add +0.8% 1.87% −0.80
CRGX Cargo Therapeutics Inc. Add +0.5% 5.69% −0.92
INZY Inozyme Pharma Inc. Add +0.4% 1.49% −1.07

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 23$697.5MAMLX, ALMS, ABVX, PCVX, IMMX
Q1 2026 21$552.2MALMS, AMLX, ABVX, PCVX, PHVS
Q4 2025 20$544.9MABVX, AMLX, COGT, JAZZ, PCVX
Q3 2025 17$456.0MABVX, AMLX, JAZZ, DYN, COGT
Q2 2025 24$246.8MJAZZ, IRON, AMLX, PCVX, COGT
Q1 2025 21$198.2MASND, IRON, CGON, XENE, MRUS
Q4 2024 24$255.4MIRON, ASND, MLTX, CGON, PCVX
Q3 2024 25$279.8MASND, IRON, PCVX, CGON, COGT
Q2 2024 26$264.6MARGX, IRON, CRNX, PCVX, ASND
Q1 2024 21$249.4MCRNX, ARGX, CYTK, KALV, MRUS