Simplex Trading
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Simplex Trading’s Genmab GMAB Stock Holding History

Simplex Trading’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
Q1 		$2.74M Buy
102,200
+88,700
+657% +$2.66M ﹤0.01% 1559
2025
Q4 		$416K Sell
13,500
-2,400
-15% -$74.8K ﹤0.01% 3490
2025
Q3 		$487K Sell
15,900
-200
-1% -$4.87K ﹤0.01% 3859
2025
Q2 		$332K Buy
16,100
+14,500
+906% +$298K ﹤0.01% 3951
2025
Q1 		$31K Sell
1,600
-4,300
-73% -$90.2K ﹤0.01% 6216
2024
Q4 		$123K Buy
5,900
+5,600
+1,867% +$123K ﹤0.01% 4984
2024
Q3 		$7K Hold
300
– – ﹤0.01% 7422
2024
Q2 		$7K Sell
300
-1,100
-79% -$31.2K ﹤0.01% 7671
2024
Q1 		$41K Sell
1,400
-200
-13% -$5.88K ﹤0.01% 6436
2023
Q4 		$50K Sell
1,600
-4,400
-73% -$138K ﹤0.01% 6072
2023
Q3 		$211K Buy
6,000
+5,300
+757% +$202K ﹤0.01% 4291
2023
Q2 		$26K Sell
700
-12,300
-95% -$490K ﹤0.01% 6495
2023
Q1 		$490K Buy
+13,000
New +$500K ﹤0.01% 3287
2022
Q4 		– Sell
-100
Closed -$3K – 9609
2022
Q3 		$3K Hold
100
– – ﹤0.01% 9082
2022
Q2 		$3K Buy
+100
New +$3.24K ﹤0.01% 9140
2022
Q1 		– Sell
-600
Closed -$23K – 10748
2021
Q4 		$23K Sell
600
-1,900
-76% -$79.2K ﹤0.01% 8191
2021
Q3 		$103K Hold
2,500
– – ﹤0.01% 6582
2021
Q2 		$102K Buy
2,500
+2,474
+9,515% +$95.5K ﹤0.01% 6700
2021
Q1 		$85K Buy
+26
New +$978 ﹤0.01% 5958
2020
Q2 		– Sell
-1
Closed -$2K – 7856
2020
Q1 		$2K Sell
1
-2
-67% -$45 ﹤0.01% 7183
2019
Q4 		$6K Buy
+3
New +$65 ﹤0.01% 6618

Other funds holding GMAB

OAG
Orbis Allan Gray Hamilton, Bermuda $23.7B AUM 65.43% 1-Year Est. Return
AllianceBernstein
AllianceBernstein Nashville, Tennessee $309B AUM 23.92% 1-Year Est. Return
PBA
Paradigm Biocapital Advisors New York $4.89B AUM 251.12% 1-Year Est. Return
Arrowstreet Capital
Arrowstreet Capital Boston, Massachusetts $185B AUM 39.58% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return
DTC
Deep Track Capital Greenwich, Connecticut $6.12B AUM 144% 1-Year Est. Return
HL
Harding Loevner Bridgewater, New Jersey $9.72B AUM 22.38% 1-Year Est. Return
DM
Deerfield Management New York $8.48B AUM 99.04% 1-Year Est. Return
First Trust Advisors
First Trust Advisors Wheaton, Illinois $140B AUM 27.84% 1-Year Est. Return

Simplex Trading's GMAB Position: Q3 2025 in Review

Simplex Trading sold out of Genmab (GMAB) in Q3 2025, closing a stake of 5,630 shares — an estimated $137K sold.

Simplex Trading first reported a position in GMAB in Q1 2021 and held it in 14 quarters. The position peaked at $1.24M in Q1 2025. 252 funds tracked by Wall St. Rank hold GMAB as of Q3 2025.

  • Simplex Trading reported no remaining Genmab position as of Q3 2025 after selling out during the quarter.
  • Simplex Trading sold 5,630 Genmab shares in Q3 2025, an estimated $137K.
  • Simplex Trading first reported a position in Genmab in Q1 2021 and held it in 14 quarters.
  • Simplex Trading's Genmab position peaked at $1.24M in Q1 2025.
  • 252 funds tracked by Wall St. Rank held Genmab as of Q3 2025.

Based on Simplex Trading's 13F filing for Q3 2025, filed 12 Nov 2025.