Mariner
AGEN

Mariner’s Agenus AGEN Stock Holding History

Mariner’s Portfolio AGEN Stock Details AGEN Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q3 		– Sell
-10,095
Closed -$46.1K – 3548
2025
Q2 		$46.1K Buy
+10,095
New +$35K ﹤0.01% 3359
2024
Q2 		– Sell
-2,016
Closed -$23.4K – 3154
2024
Q1 		$23.4K Buy
2,016
+36
+2% +$478 ﹤0.01% 3087
2023
Q4 		$32.8K Buy
+1,980
New +$32.8K ﹤0.01% 2975
2023
Q2 		– Sell
-595
Closed -$18K – 2829
2023
Q1 		$18K Sell
595
-188
-24% -$7.95K ﹤0.01% 2732
2022
Q4 		$37K Sell
783
-25
-3% -$1.27K ﹤0.01% 2636
2022
Q3 		$33K Buy
+808
New +$41.2K ﹤0.01% 2351

Other funds holding AGEN

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
SL
Siren LLC Greenwich, Connecticut $3.61B AUM 203.3% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Walleye Capital
Walleye Capital New York $24B AUM 37.67% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $70.5B AUM 36% 1-Year Est. Return
Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $893B AUM 36.07% 1-Year Est. Return

Mariner's AGEN Position: Q3 2025 in Review

Mariner sold out of Agenus (AGEN) in Q3 2025, closing a stake of 10,095 shares — an estimated $46.1K sold.

Mariner first reported a position in AGEN in Q3 2022 and held it in 6 quarters. The position peaked at $46.1K in Q2 2025. 87 funds tracked by Wall St. Rank hold AGEN as of Q3 2025.

  • Mariner reported no remaining Agenus position as of Q3 2025 after selling out during the quarter.
  • Mariner sold 10,095 Agenus shares in Q3 2025, an estimated $46.1K.
  • Mariner first reported a position in Agenus in Q3 2022 and held it in 6 quarters.
  • Mariner's Agenus position peaked at $46.1K in Q2 2025.
  • 87 funds tracked by Wall St. Rank held Agenus as of Q3 2025.

Based on Mariner's 13F filing for Q3 2025, filed 14 Nov 2025.