Mariner
GMAB icon

Mariner’s Genmab GMAB Stock Holding History

Mariner’s Portfolio GMAB Stock Details GMAB Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$1.5M Sell
54,677
-1,632
-3% -$43.4K ﹤0.01% 1666
2026
Q1 		$1.51M Buy
56,309
+509
+0.9% +$15.3K ﹤0.01% 1687
2025
Q4 		$1.72M Buy
55,800
+8,224
+17% +$256K ﹤0.01% 1586
2025
Q3 		$1.46M Buy
47,576
+10,423
+28% +$254K ﹤0.01% 1636
2025
Q2 		$768K Sell
37,153
-3,906
-10% -$80.2K ﹤0.01% 1996
2025
Q1 		$804K Buy
41,059
+4,359
+12% +$91.4K ﹤0.01% 1840
2024
Q4 		$766K Sell
36,700
-1,079
-3% -$23.7K ﹤0.01% 1841
2024
Q3 		$921K Sell
37,779
-1,644
-4% -$44K ﹤0.01% 1678
2024
Q2 		$991K Buy
39,423
+1,731
+5% +$49.1K ﹤0.01% 1505
2024
Q1 		$1.13M Buy
37,692
+811
+2% +$23.8K ﹤0.01% 1425
2023
Q4 		$1.17M Sell
36,881
-12,137
-25% -$381K ﹤0.01% 1327
2023
Q3 		$1.73M Buy
49,018
+31,720
+183% +$1.21M ﹤0.01% 1034
2023
Q2 		$656K Sell
17,298
-6,093
-26% -$243K ﹤0.01% 1557
2023
Q1 		$883K Sell
23,391
-3,454
-13% -$133K ﹤0.01% 1340
2022
Q4 		$1.14M Buy
26,845
+9,156
+52% +$377K ﹤0.01% 1172
2022
Q3 		$568K Buy
+17,689
New +$621K ﹤0.01% 1345

Other funds holding GMAB

PBA
Paradigm Biocapital Advisors New York $5.34B AUM 380.18% 1-Year Est. Return
OAG
Orbis Allan Gray Hamilton, Bermuda $29.1B AUM 60.8% 1-Year Est. Return
AllianceBernstein
AllianceBernstein Nashville, Tennessee $302B AUM 26.44% 1-Year Est. Return
DM
Deerfield Management New York $9.59B AUM 113.36% 1-Year Est. Return
DTC
Deep Track Capital Greenwich, Connecticut $6.87B AUM 205.24% 1-Year Est. Return
Arrowstreet Capital
Arrowstreet Capital Boston, Massachusetts $225B AUM 49.49% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
SI
Sofinnova Investments Menlo Park, California $1.93B AUM 134.74% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return

Mariner's GMAB Position: Q2 2026 in Review

Mariner reduced its Genmab (GMAB) stake by 2.9% in Q2 2026, selling an estimated $43.4K and leaving 54,677 shares worth $1.5M. The position accounts for ﹤0.01% of the portfolio, ranked #1666.

Mariner first reported a position in GMAB in Q3 2022 and has held it in 16 quarters since. The position peaked at $1.73M in Q3 2023. 292 funds tracked by Wall St. Rank hold GMAB as of Q2 2026.

  • Mariner held 54,677 shares of Genmab worth $1.5M as of Q2 2026.
  • Mariner sold 1,632 Genmab shares in Q2 2026, an estimated $43.4K.
  • Genmab made up ﹤0.01% of Mariner's portfolio in Q2 2026, its #1666 holding.
  • Mariner first reported a position in Genmab in Q3 2022 and has held it in 16 quarters since.
  • Mariner's Genmab position peaked at $1.73M in Q3 2023.
  • 292 funds tracked by Wall St. Rank held Genmab as of Q2 2026.

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