State of Wisconsin Investment Board
YMAB

State of Wisconsin Investment Board’s Y-mAbs Therapeutics YMAB Stock Holding History

State of Wisconsin Investment Board’s Portfolio YMAB Stock Details YMAB Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q3 		– Sell
-51,336
Closed -$232K – 2546
2025
Q2 		$232K Buy
+51,336
New +$231K ﹤0.01% 2159
2025
Q1 		– Sell
-37,857
Closed -$296K – 2354
2024
Q4 		$296K Sell
37,857
-17,811
-32% -$217K ﹤0.01% 2013
2024
Q3 		$732K Buy
55,668
+14,461
+35% +$183K ﹤0.01% 1690
2024
Q2 		$498K Buy
41,207
+6,204
+18% +$83.8K ﹤0.01% 1827
2024
Q1 		$569K Sell
35,003
-41,900
-54% -$565K ﹤0.01% 1673
2023
Q4 		$524K Sell
76,903
-24,800
-24% -$143K ﹤0.01% 1706
2023
Q3 		$554K Buy
101,703
+900
+0.9% +$5.24K ﹤0.01% 1698
2023
Q2 		$684K Sell
100,803
-49,997
-33% -$375K ﹤0.01% 1652
2023
Q1 		$756K Buy
150,800
+23,242
+18% +$94.9K ﹤0.01% 1632
2022
Q4 		$622K Buy
127,558
+50,741
+66% +$369K ﹤0.01% 1801
2022
Q3 		$1.11M Sell
76,817
-22,277
-22% -$369K ﹤0.01% 1501
2022
Q2 		$1.5M Buy
99,094
+6,994
+8% +$81.6K ﹤0.01% 1448
2022
Q1 		$1.09M Buy
92,100
+51,100
+125% +$525K ﹤0.01% 1624
2021
Q4 		$665K Hold
41,000
– – ﹤0.01% 1587
2021
Q3 		$1.17M Hold
41,000
– – ﹤0.01% 1404
2021
Q2 		$1.39M Hold
41,000
– – ﹤0.01% 1363
2021
Q1 		$1.24M Sell
41,000
-7,800
-16% -$320K ﹤0.01% 1318
2020
Q4 		$2.42M Sell
48,800
-7,700
-14% -$356K 0.01% 1167
2020
Q3 		$2.17M Buy
56,500
+7,200
+15% +$287K 0.01% 1152
2020
Q2 		$2.13M Buy
49,300
+8,100
+20% +$306K 0.01% 1112
2020
Q1 		$1.07M Buy
41,200
+10,600
+35% +$308K ﹤0.01% 1188
2019
Q4 		$956K Hold
30,600
– – ﹤0.01% 1253
2019
Q3 		$797K Buy
30,600
+20,500
+203% +$524K ﹤0.01% 1187
2019
Q2 		$231K Buy
+10,100
New +$232K ﹤0.01% 1474

Other funds holding YMAB

BIG
Brooklyn Investment Group Brooklyn, New York $3.2B AUM 26.32% 1-Year Est. Return
IA
IFP Advisors Tampa, Florida $5.54B AUM 27.43% 1-Year Est. Return

State of Wisconsin Investment Board's YMAB Position: Q3 2025 in Review

State of Wisconsin Investment Board sold out of Y-mAbs Therapeutics (YMAB) in Q3 2025, closing a stake of 51,336 shares — an estimated $232K sold.

State of Wisconsin Investment Board first reported a position in YMAB in Q2 2019 and held it in 24 quarters. The position peaked at $2.42M in Q4 2020. 2 funds tracked by Wall St. Rank hold YMAB as of Q3 2025.

  • State of Wisconsin Investment Board reported no remaining Y-mAbs Therapeutics position as of Q3 2025 after selling out during the quarter.
  • State of Wisconsin Investment Board sold 51,336 Y-mAbs Therapeutics shares in Q3 2025, an estimated $232K.
  • State of Wisconsin Investment Board first reported a position in Y-mAbs Therapeutics in Q2 2019 and held it in 24 quarters.
  • State of Wisconsin Investment Board's Y-mAbs Therapeutics position peaked at $2.42M in Q4 2020.
  • 2 funds tracked by Wall St. Rank held Y-mAbs Therapeutics as of Q3 2025.

Based on State of Wisconsin Investment Board's 13F filing for Q3 2025, filed 14 Nov 2025.