Mariner
GERN icon

Mariner’s Geron GERN Stock Holding History

Mariner’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
Q1 		– Sell
-49,804
Closed -$65.7K – 3660
2025
Q4 		$65.7K Sell
49,804
-27,838
-36% -$34.9K ﹤0.01% 3390
2025
Q3 		$106K Sell
77,642
-6,498
-8% -$8.65K ﹤0.01% 3343
2025
Q2 		$119K Buy
84,140
+16,699
+25% +$23.7K ﹤0.01% 3202
2025
Q1 		$107K Buy
67,441
+39,612
+142% +$96.5K ﹤0.01% 3172
2024
Q4 		$98.5K Sell
27,829
-7,050
-20% -$28.2K ﹤0.01% 3194
2024
Q3 		$158K Sell
34,879
-8,465
-20% -$38.5K ﹤0.01% 2989
2024
Q2 		$184K Buy
43,344
+10,367
+31% +$40.4K ﹤0.01% 2816
2024
Q1 		$109K Buy
32,977
+16,309
+98% +$36.5K ﹤0.01% 2916
2023
Q4 		$35.2K Sell
16,668
-678
-4% -$1.32K ﹤0.01% 2968
2023
Q3 		$36.8K Buy
17,346
+400
+2% +$1.09K ﹤0.01% 2801
2023
Q2 		$54.4K Buy
16,946
+906
+6% +$2.58K ﹤0.01% 2707
2023
Q1 		$35K Buy
16,040
+449
+3% +$1.27K ﹤0.01% 2684
2022
Q4 		$38K Buy
15,591
+55
+0.4% +$123 ﹤0.01% 2635
2022
Q3 		$36K Buy
+15,536
New +$34.8K ﹤0.01% 2343

Other funds holding GERN

RCM
RA Capital Management Boston, Massachusetts $11.5B AUM 168.77% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
SCM
Soleus Capital Management Greenwich, Connecticut $2.9B AUM 169.69% 1-Year Est. Return
DTC
Deep Track Capital Greenwich, Connecticut $6.87B AUM 205.24% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Citadel Advisors
Citadel Advisors Miami, Florida $875B AUM 40.91% 1-Year Est. Return
Point72 Asset Management
Point72 Asset Management Stamford, Connecticut $90.7B AUM 77.13% 1-Year Est. Return
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

Mariner's GERN Position: Q1 2026 in Review

Mariner sold out of Geron (GERN) in Q1 2026, closing a stake of 49,804 shares — an estimated $65.7K sold.

Mariner first reported a position in GERN in Q3 2022 and held it in 14 quarters. The position peaked at $184K in Q2 2024. 256 funds tracked by Wall St. Rank hold GERN as of Q1 2026.

  • Mariner reported no remaining Geron position as of Q1 2026 after selling out during the quarter.
  • Mariner sold 49,804 Geron shares in Q1 2026, an estimated $65.7K.
  • Mariner first reported a position in Geron in Q3 2022 and held it in 14 quarters.
  • Mariner's Geron position peaked at $184K in Q2 2024.
  • 256 funds tracked by Wall St. Rank held Geron as of Q1 2026.

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