Citadel Advisors
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Citadel Advisors’s Genmab GMAB Stock Holding History

Citadel Advisors’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 		$1.24M Buy
+45,300
New +$1.2M ﹤0.01% 7673
2026
Q1 		– Sell
-13,200
Closed -$407K – 13444
2025
Q4 		$407K Buy
13,200
+3,000
+29% +$93.5K ﹤0.01% 9502
2025
Q3 		$313K Sell
10,200
-16,600
-62% -$405K ﹤0.01% 10265
2025
Q2 		$554K Sell
26,800
-11,200
-29% -$230K ﹤0.01% 8403
2025
Q1 		$744K Buy
38,000
+25,200
+197% +$529K ﹤0.01% 7614
2024
Q4 		$267K Buy
12,800
+4,600
+56% +$101K ﹤0.01% 9892
2024
Q3 		$200K Sell
8,200
-4,800
-37% -$128K ﹤0.01% 10151
2024
Q2 		$327K Sell
13,000
-800
-6% -$22.7K ﹤0.01% 8967
2024
Q1 		$413K Buy
13,800
+11,000
+393% +$323K ﹤0.01% 8803
2023
Q4 		$89.2K Sell
2,800
-100
-3% -$3.14K ﹤0.01% 11071
2023
Q3 		$102K Sell
2,900
-500
-15% -$19.1K ﹤0.01% 10867
2023
Q2 		$129K Sell
3,400
-4,900
-59% -$195K ﹤0.01% 10552
2023
Q1 		$313K Buy
8,300
+6,100
+277% +$234K ﹤0.01% 9294
2022
Q4 		$93.2K Buy
+2,200
New +$90.7K ﹤0.01% 11325
2021
Q4 		– Sell
-8,000
Closed -$350K – 14168
2021
Q3 		$350K Sell
8,000
-45,800
-85% -$2.06M ﹤0.01% 10713
2021
Q2 		$2.2M Sell
53,800
-83,300
-61% -$3.21M ﹤0.01% 6357
2021
Q1 		$4.5M Buy
137,100
+93,800
+217% +$3.53M ﹤0.01% 4485
2020
Q4 		$1.76M Buy
43,300
+26,300
+155% +$983K ﹤0.01% 5621
2020
Q3 		$622K Buy
17,000
+7,600
+81% +$275K ﹤0.01% 6893
2020
Q2 		$319K Sell
9,400
-2,700
-22% -$73.6K ﹤0.01% 7819
2020
Q1 		$256K Buy
+12,100
New +$270K ﹤0.01% 7590

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

Citadel Advisors's GMAB Position: Q2 2026 in Review

Citadel Advisors opened a new position in Genmab (GMAB) in Q2 2026: 2,475,991 shares worth $68M. The stake represents 0.01% of the portfolio and ranks #1268 among its holdings. This is a return to the name: Citadel Advisors previously reported a position in GMAB as recently as Q4 2025.

Citadel Advisors first reported a position in GMAB in Q3 2019 and has held it in 25 quarters since. The position peaked at $86.7M in Q1 2025. 292 funds tracked by Wall St. Rank hold GMAB as of Q2 2026.

  • Citadel Advisors held 2,475,991 shares of Genmab worth $68M as of Q2 2026.
  • Genmab was a new Citadel Advisors position in Q2 2026.
  • Genmab made up 0.01% of Citadel Advisors's portfolio in Q2 2026, its #1268 holding.
  • Citadel Advisors first reported a position in Genmab in Q3 2019 and has held it in 25 quarters since.
  • Citadel Advisors's Genmab position peaked at $86.7M in Q1 2025.
  • 292 funds tracked by Wall St. Rank held Genmab as of Q2 2026.

Based on Citadel Advisors's 13F filing for Q2 2026, filed 14 Aug 2026.