Marshall Wace
GERN icon

Marshall Wace’s Geron GERN Stock Holding History

Marshall Wace’s Portfolio GERN Stock Details GERN Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		– Sell
-2,960,047
Closed -$4.41M – 3378
2026
Q1 		$4.41M Buy
+2,960,047
New +$4.5M ﹤0.01% 1364
2025
Q4 		– Sell
-22,532
Closed -$30.9K – 3145
2025
Q3 		$30.9K Sell
22,532
-922,258
-98% -$1.23M ﹤0.01% 2761
2025
Q2 		$1.33M Sell
944,790
-4,195,674
-82% -$5.95M ﹤0.01% 1736
2025
Q1 		$8.17M Buy
5,140,464
+2,937,469
+133% +$7.15M 0.01% 847
2024
Q4 		$7.8M Buy
2,202,995
+930,412
+73% +$3.72M 0.01% 889
2024
Q3 		$5.78M Buy
+1,272,583
New +$5.79M 0.01% 942
2024
Q2 		– Sell
-119,500
Closed -$394K – 2689
2024
Q1 		$394K Sell
119,500
-1,958,997
-94% -$4.39M ﹤0.01% 2020
2023
Q4 		$4.39M Sell
2,078,497
-3,782,148
-65% -$7.35M 0.01% 956
2023
Q3 		$12.4M Sell
5,860,645
-3,949,774
-40% -$10.7M 0.03% 574
2023
Q2 		$31.5M Buy
+9,810,419
New +$27.9M 0.06% 327
2022
Q4 		– Sell
-769,796
Closed -$1.8M – 3106
2022
Q3 		$1.8M Buy
+769,796
New +$1.72M ﹤0.01% 2079

Other funds holding GERN

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
RCM
RA Capital Management Boston, Massachusetts $11.5B AUM 168.77% 1-Year Est. Return
SCM
Soleus Capital Management Greenwich, Connecticut $2.9B AUM 169.69% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $875B AUM 40.89% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
ClearBridge Investments
ClearBridge Investments New York $121B AUM 27.52% 1-Year Est. Return
EP
Eversept Partners New York $1.93B AUM 160.8% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Marshall Wace's GERN Position: Q2 2026 in Review

Marshall Wace sold out of Geron (GERN) in Q2 2026, closing a stake of 2,960,047 shares — an estimated $4.41M sold.

Marshall Wace first reported a position in GERN in Q3 2022 and held it in 11 quarters. The position peaked at $31.5M in Q2 2023. 260 funds tracked by Wall St. Rank hold GERN as of Q2 2026.

  • Marshall Wace reported no remaining Geron position as of Q2 2026 after selling out during the quarter.
  • Marshall Wace sold 2,960,047 Geron shares in Q2 2026, an estimated $4.41M.
  • Marshall Wace first reported a position in Geron in Q3 2022 and held it in 11 quarters.
  • Marshall Wace's Geron position peaked at $31.5M in Q2 2023.
  • 260 funds tracked by Wall St. Rank held Geron as of Q2 2026.

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