Mariner
ALMS

Mariner’s Alumis Inc ALMS Stock Holding History

Mariner’s Portfolio ALMS Stock Details ALMS Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$1.61M Sell
73,123
-71,922
-50% -$1.8M ﹤0.01% 1651
2025
Q4 		$1.42M Buy
145,045
+60,172
+71% +$420K ﹤0.01% 1704
2025
Q3 		$339K Buy
84,873
+54,269
+177% +$224K ﹤0.01% 2719
2025
Q2 		$91.8K Buy
+30,604
New +$145K ﹤0.01% 3259
2025
Q1 		– Sell
-18,122
Closed -$142K – 3610
2024
Q4 		$142K Buy
+18,122
New +$182K ﹤0.01% 3101

Other funds holding ALMS

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
DTC
Deep Track Capital Greenwich, Connecticut $6.12B AUM 144% 1-Year Est. Return
SB
Samsara BioCapital Palo Alto, California $1.03B AUM 214.94% 1-Year Est. Return
FCMV
Foresite Capital Management V Larkspur, California $271M AUM 309.87% 1-Year Est. Return
VP
venBio Partners San Francisco, California $281M AUM 261.03% 1-Year Est. Return
FCMV
Foresite Capital Management VI Larkspur, California $460M AUM 261.77% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
CAM
Cormorant Asset Management Boston, Massachusetts $1.99B AUM 737.95% 1-Year Est. Return
NI
Nextech Invest Zurich, Switzerland $1.42B AUM 304.47% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return

Mariner's ALMS Position: Q1 2026 in Review

Mariner reduced its Alumis Inc (ALMS) stake by 50% in Q1 2026, selling an estimated $1.8M and leaving 73,123 shares worth $1.61M. The position accounts for ﹤0.01% of the portfolio, ranked #1651.

Mariner first reported a position in ALMS in Q4 2024 and has held it in 5 quarters since. 195 funds tracked by Wall St. Rank hold ALMS as of Q1 2026.

  • Mariner held 73,123 shares of Alumis Inc worth $1.61M as of Q1 2026.
  • Mariner sold 71,922 Alumis Inc shares in Q1 2026, an estimated $1.8M.
  • Alumis Inc made up ﹤0.01% of Mariner's portfolio in Q1 2026, its #1651 holding.
  • Mariner first reported a position in Alumis Inc in Q4 2024 and has held it in 5 quarters since.
  • 195 funds tracked by Wall St. Rank held Alumis Inc as of Q1 2026.

Based on Mariner's 13F filing for Q1 2026, filed 13 May 2026.