SEI Investments
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SEI Investments’s Genmab GMAB Stock Holding History

SEI Investments’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 		$2.51M Sell
91,324
-1,688
-2% -$44.9K ﹤0.01% 1844
2026
Q1 		$2.5M Buy
93,012
+18,055
+24% +$541K ﹤0.01% 1898
2025
Q4 		$2.31M Buy
74,957
+2,836
+4% +$88.4K ﹤0.01% 1773
2025
Q3 		$2.21M Buy
72,121
+10,010
+16% +$244K ﹤0.01% 1659
2025
Q2 		$1.28M Buy
62,111
+955
+2% +$19.6K ﹤0.01% 1817
2025
Q1 		$1.2M Buy
61,156
+3,454
+6% +$72.5K ﹤0.01% 1838
2024
Q4 		$1.2M Buy
57,702
+20,525
+55% +$451K ﹤0.01% 1860
2024
Q3 		$907K Buy
37,177
+1,332
+4% +$35.6K ﹤0.01% 1982
2024
Q2 		$901K Sell
35,845
-304
-0.8% -$8.62K ﹤0.01% 1947
2024
Q1 		$1.08M Sell
36,149
-3,074
-8% -$90.3K ﹤0.01% 1855
2023
Q4 		$1.25M Sell
39,223
-68,954
-64% -$2.16M ﹤0.01% 1799
2023
Q3 		$3.82M Buy
108,177
+1,234
+1% +$47K 0.01% 1294
2023
Q2 		$4.06M Sell
106,943
-4,053
-4% -$162K 0.01% 1294
2023
Q1 		$4.19M Buy
110,996
+13,863
+14% +$533K 0.01% 1267
2022
Q4 		$4.12M Buy
97,133
+11,430
+13% +$471K 0.01% 1143
2022
Q3 		$2.75M Buy
85,703
+13,038
+18% +$458K 0.01% 1387
2022
Q2 		$2.34M Sell
72,665
-502
-0.7% -$16.3K 0.01% 1469
2022
Q1 		$2.63M Buy
73,167
+2,861
+4% +$98.2K 0.01% 1436
2021
Q4 		$2.77M Buy
70,306
+54,354
+341% +$2.27M 0.01% 1438
2021
Q3 		$699K Sell
15,952
-255,112
-94% -$11.5M ﹤0.01% 1921
2021
Q2 		$11.1M Buy
271,064
+103,694
+62% +$4M 0.02% 671
2021
Q1 		$5.5M Buy
167,370
+46,191
+38% +$1.74M 0.01% 977
2020
Q4 		$4.93M Buy
121,179
+61,688
+104% +$2.31M 0.01% 975
2020
Q3 		$2.18M Buy
59,491
+6,343
+12% +$229K 0.01% 1257
2020
Q2 		$1.8M Buy
53,148
+6,094
+13% +$166K 0.01% 1318
2020
Q1 		$997K Buy
47,054
+9,166
+24% +$204K ﹤0.01% 1466
2019
Q4 		$846K Buy
+37,888
New +$827K ﹤0.01% 1703

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

SEI Investments's GMAB Position: Q2 2026 in Review

SEI Investments reduced its Genmab (GMAB) stake by 1.8% in Q2 2026, selling an estimated $44.9K and leaving 91,324 shares worth $2.51M. The position accounts for ﹤0.01% of the portfolio, ranked #1844.

SEI Investments first reported a position in GMAB in Q4 2019 and has held it in 27 quarters since. The position peaked at $11.1M in Q2 2021. 289 funds tracked by Wall St. Rank hold GMAB as of Q2 2026.

  • SEI Investments held 91,324 shares of Genmab worth $2.51M as of Q2 2026.
  • SEI Investments sold 1,688 Genmab shares in Q2 2026, an estimated $44.9K.
  • Genmab made up ﹤0.01% of SEI Investments's portfolio in Q2 2026, its #1844 holding.
  • SEI Investments first reported a position in Genmab in Q4 2019 and has held it in 27 quarters since.
  • SEI Investments's Genmab position peaked at $11.1M in Q2 2021.
  • 289 funds tracked by Wall St. Rank held Genmab as of Q2 2026.

Based on SEI Investments's 13F filing for Q2 2026, filed 14 Aug 2026.