State of Wisconsin Investment Board
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State of Wisconsin Investment Board’s Kiniksa Pharmaceuticals KNSA Stock Holding History

State of Wisconsin Investment Board’s Portfolio KNSA Stock Details KNSA Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$1.91M Buy
29,876
+12,800
+75% +$664K ﹤0.01% 1506
2026
Q1 		$822K Buy
17,076
+277
+2% +$12.3K ﹤0.01% 1773
2025
Q4 		$693K Sell
16,799
-1,081
-6% -$43.4K ﹤0.01% 1801
2025
Q3 		$694K Sell
17,880
-66,187
-79% -$2.15M ﹤0.01% 1742
2025
Q2 		$2.33M Sell
84,067
-16,975
-17% -$432K 0.01% 1229
2025
Q1 		$2.24M Sell
101,042
-11,477
-10% -$236K 0.01% 1193
2024
Q4 		$2.23M Sell
112,519
-2,237
-2% -$51.1K 0.01% 1249
2024
Q3 		$2.87M Sell
114,756
-33,109
-22% -$807K 0.01% 1174
2024
Q2 		$2.76M Buy
147,865
+10,218
+7% +$191K 0.01% 1168
2024
Q1 		$2.72M Buy
137,647
+56,570
+70% +$1.1M 0.01% 1153
2023
Q4 		$1.42M Buy
81,077
+56,282
+227% +$925K ﹤0.01% 1306
2023
Q3 		$431K Sell
24,795
-2,724
-10% -$45.9K ﹤0.01% 1883
2023
Q2 		$387K Sell
27,519
-2,226
-7% -$29.8K ﹤0.01% 1905
2023
Q1 		$320K Sell
29,745
-425
-1% -$5.6K ﹤0.01% 2066
2022
Q4 		$452K Buy
30,170
+3,319
+12% +$48.3K ﹤0.01% 1934
2022
Q3 		$345K Sell
26,851
-1,652
-6% -$18.8K ﹤0.01% 2154
2022
Q2 		$276K Buy
28,503
+7,403
+35% +$69.1K ﹤0.01% 2356
2022
Q1 		$210K Buy
+21,100
New +$224K ﹤0.01% 2173
2021
Q2 		– Sell
-49,700
Closed -$920K – 2120
2021
Q1 		$920K Sell
49,700
-4,400
-8% -$90K ﹤0.01% 1392
2020
Q4 		$956K Buy
54,100
+2,100
+4% +$36.9K ﹤0.01% 1343
2020
Q3 		$797K Buy
52,000
+29,100
+127% +$546K ﹤0.01% 1347
2020
Q2 		$583K Buy
22,900
+1,400
+7% +$29.2K ﹤0.01% 1378
2020
Q1 		$333K Buy
+21,500
New +$336K ﹤0.01% 1461
2019
Q3 		– Sell
-17,300
Closed -$234K – 1565
2019
Q2 		$234K Buy
+17,300
New +$268K ﹤0.01% 1473

Other funds holding KNSA

Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
RCMNY
Rubric Capital Management (New York) New York $10.9B AUM 70.31% 1-Year Est. Return
BBA
Baker Bros. Advisors New York $20B AUM 154.41% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
TCM
Tang Capital Management San Diego, California $2.2B AUM 156.35% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Arrowstreet Capital
Arrowstreet Capital Boston, Massachusetts $225B AUM 49.49% 1-Year Est. Return
SSC
Spruce Street Capital New York $510M AUM

State of Wisconsin Investment Board's KNSA Position: Q2 2026 in Review

State of Wisconsin Investment Board increased its Kiniksa Pharmaceuticals (KNSA) stake by 75% in Q2 2026, buying an estimated $664K and bringing the position to 29,876 shares worth $1.91M. The position accounts for ﹤0.01% of the portfolio, ranked #1506.

State of Wisconsin Investment Board first reported a position in KNSA in Q2 2019 and has held it in 24 quarters since. The position peaked at $2.87M in Q3 2024. 266 funds tracked by Wall St. Rank hold KNSA as of Q2 2026.

  • State of Wisconsin Investment Board held 29,876 shares of Kiniksa Pharmaceuticals worth $1.91M as of Q2 2026.
  • State of Wisconsin Investment Board bought 12,800 Kiniksa Pharmaceuticals shares in Q2 2026, an estimated $664K.
  • Kiniksa Pharmaceuticals made up ﹤0.01% of State of Wisconsin Investment Board's portfolio in Q2 2026, its #1506 holding.
  • State of Wisconsin Investment Board first reported a position in Kiniksa Pharmaceuticals in Q2 2019 and has held it in 24 quarters since.
  • State of Wisconsin Investment Board's Kiniksa Pharmaceuticals position peaked at $2.87M in Q3 2024.
  • 266 funds tracked by Wall St. Rank held Kiniksa Pharmaceuticals as of Q2 2026.

Based on State of Wisconsin Investment Board's 13F filing for Q2 2026, filed 14 Aug 2026.