State of Wisconsin Investment Board’s AnaptysBio ANAB Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$1.53M Buy
27,619
+18,664
+208% +$1M ﹤0.01% 1512
2025
Q4
$434K Buy
+8,955
New +$349K ﹤0.01% 2010
2025
Q1
Sell
-26,677
Closed -$353K 2246
2024
Q4
$353K Buy
26,677
+6,804
+34% +$165K ﹤0.01% 1950
2024
Q3
$666K Buy
19,873
+10,543
+113% +$360K ﹤0.01% 1735
2024
Q2
$234K Buy
+9,330
New +$217K ﹤0.01% 2101
2023
Q4
Sell
-14,340
Closed -$258K 2370
2023
Q3
$258K Sell
14,340
-361
-2% -$6.89K ﹤0.01% 2126
2023
Q2
$299K Sell
14,701
-609
-4% -$12.3K ﹤0.01% 1999
2023
Q1
$333K Sell
15,310
-1,703
-10% -$41.4K ﹤0.01% 2046
2022
Q4
$527K Sell
17,013
-1,043
-6% -$29.5K ﹤0.01% 1877
2022
Q3
$461K Sell
18,056
-844
-4% -$19.8K ﹤0.01% 2016
2022
Q2
$384K Sell
18,900
-9,900
-34% -$219K ﹤0.01% 2210
2022
Q1
$713K Sell
28,800
-8,900
-24% -$269K ﹤0.01% 1716
2021
Q4
$1.31M Buy
37,700
+6,600
+21% +$209K ﹤0.01% 1369
2021
Q3
$843K Buy
31,100
+2,300
+8% +$58.4K ﹤0.01% 1495
2021
Q2
$747K Hold
28,800
﹤0.01% 1554
2021
Q1
$621K Sell
28,800
-4,900
-15% -$124K ﹤0.01% 1514
2020
Q4
$725K Sell
33,700
-4,200
-11% -$102K ﹤0.01% 1419
2020
Q3
$559K Hold
37,900
﹤0.01% 1442
2020
Q2
$847K Sell
37,900
-6,700
-15% -$122K ﹤0.01% 1274
2020
Q1
$630K Buy
44,600
+7,800
+21% +$118K ﹤0.01% 1288
2019
Q4
$598K Hold
36,800
﹤0.01% 1379
2019
Q3
$1.29M Buy
36,800
+6,100
+20% +$290K ﹤0.01% 1089
2019
Q2
$1.73M Buy
30,700
+2,000
+7% +$144K ﹤0.01% 1040
2019
Q1
$2.1M Buy
28,700
+9,100
+46% +$628K 0.01% 997
2018
Q4
$1.25M Buy
19,600
+700
+4% +$52.1K ﹤0.01% 1066
2018
Q3
$1.89M Hold
18,900
0.01% 1048
2018
Q2
$1.34M Buy
18,900
+700
+4% +$58.7K ﹤0.01% 1074
2018
Q1
$1.89M Buy
18,200
+6,300
+53% +$710K 0.01% 979
2017
Q4
$1.2M Buy
+11,900
New +$876K ﹤0.01% 1064

Other funds holding ANAB