Marshall Wace’s Agenus AGEN Stock Holding History

Marshall Wace’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
2026 Q2	$1.35M	Sell	439,621 -248,582	-36%	-$891K	﹤0.01%	2055
2026 Q1	$2.3M	Buy	688,203 +541,403	+369%	+$1.8M	﹤0.01%	1708
2025 Q4	$461K	Buy	146,800 +33,487	+30%	+$133K	﹤0.01%	2269
2025 Q3	$436K	Sell	113,313 -319,166	-74%	-$1.6M	﹤0.01%	2283
2025 Q2	$1.98M	Buy	+432,479	New	+$1.5M	﹤0.01%	1571
2022 Q2	–	Sell	-10,337	Closed	-$499K	–	3371
2022 Q1	$499K	Buy	+10,337	New	+$559K	﹤0.01%	2772
2020 Q2	–	Sell	-2,855	Closed	-$137K	–	1499
2020 Q1	$137K	Buy	+2,855	New	+$179K	﹤0.01%	1264
2019 Q3	–	Sell	-8,451	Closed	-$498K	–	1646
2019 Q2	$498K	Buy	8,451 +8,448	+281,600%	+$462K	﹤0.01%	1084
2019 Q1	$0	Buy	+3	New	+$186	﹤0.01%	1684
2017 Q1	–	Sell	-25,276	Closed	-$2.04M	–	305
2016 Q4	$2.04M	Buy	+25,276	New	+$2.48M	0.01%	630

Other funds holding AGEN

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Siren LLC Greenwich, Connecticut $4.94B AUM 244.43% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Mackenzie Financial Toronto Ontario, Ontario, Canada $100B AUM 36.93% 1-Year Est. Return

Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

Raymond James Financial St Petersburg, Florida $369B AUM 28.27% 1-Year Est. Return

Globeflex Capital San Diego, California $783M AUM 81.58% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Marshall Wace's AGEN Position: Q2 2026 in Review

Marshall Wace reduced its Agenus (AGEN) stake by 36% in Q2 2026, selling an estimated $891K and leaving 439,621 shares worth $1.35M. The position accounts for ﹤0.01% of the portfolio, ranked #2055.

Marshall Wace first reported a position in AGEN in Q4 2016 and has held it in 10 quarters since. The position peaked at $2.3M in Q1 2026. 103 funds tracked by Wall St. Rank hold AGEN as of Q2 2026.

Marshall Wace held 439,621 shares of Agenus worth $1.35M as of Q2 2026.
Marshall Wace sold 248,582 Agenus shares in Q2 2026, an estimated $891K.
Agenus made up ﹤0.01% of Marshall Wace's portfolio in Q2 2026, its #2055 holding.
Marshall Wace first reported a position in Agenus in Q4 2016 and has held it in 10 quarters since.
Marshall Wace's Agenus position peaked at $2.3M in Q1 2026.
103 funds tracked by Wall St. Rank held Agenus as of Q2 2026.

Based on Marshall Wace's 13F filing for Q2 2026, filed 13 Aug 2026.