Simplex Trading
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Simplex Trading’s Kiniksa Pharmaceuticals KNSA Stock Holding History

Simplex Trading’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 		$19.2K Sell
300
-2,400
-89% -$124K ﹤0.01% 7139
2026
Q1 		$130K Buy
+2,700
New +$120K ﹤0.01% 4782
2025
Q4 		– Sell
-200
Closed -$7K – 9349
2025
Q3 		$7K Sell
200
-1,100
-85% -$35.7K ﹤0.01% 8114
2025
Q2 		$35K Buy
+1,300
New +$33.1K ﹤0.01% 6262
2024
Q1 		– Sell
-700
Closed -$12K – 9361
2023
Q4 		$12K Buy
700
+600
+600% +$9.86K ﹤0.01% 7303
2023
Q3 		$1K Buy
+100
New +$1.69K ﹤0.01% 8333
2023
Q2 		– Sell
-400
Closed -$4K – 9473
2023
Q1 		$4K Sell
400
-3,100
-89% -$40.8K ﹤0.01% 8179
2022
Q4 		$52K Buy
+3,500
New +$51K ﹤0.01% 5833
2022
Q2 		– Sell
-500
Closed -$4K – 10529
2022
Q1 		$4K Sell
500
-3,800
-88% -$40.3K ﹤0.01% 9569
2021
Q4 		$50K Sell
4,300
-37,200
-90% -$457K ﹤0.01% 7267
2021
Q3 		$601K Hold
41,500
– – ﹤0.01% 3817
2021
Q2 		$578K Buy
41,500
+41,426
+55,981% +$629K ﹤0.01% 3923
2021
Q1 		$136K Buy
74
+13
+21% +$266 ﹤0.01% 5312
2020
Q4 		$107K Buy
61
+3
+5% +$53 ﹤0.01% 5386
2020
Q3 		$88K Buy
58
+56
+2,800% +$1.05K ﹤0.01% 5039
2020
Q2 		$5K Buy
+2
New +$42 ﹤0.01% 6972

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

Simplex Trading's KNSA Position: Q2 2026 in Review

Simplex Trading reduced its Kiniksa Pharmaceuticals (KNSA) stake by 43% in Q2 2026, selling an estimated $177K and leaving 4,598 shares worth $294K. The position accounts for ﹤0.01% of the portfolio, ranked #4249.

Simplex Trading first reported a position in KNSA in Q2 2020 and has held it in 11 quarters since. The position peaked at $385K in Q1 2026. 267 funds tracked by Wall St. Rank hold KNSA as of Q2 2026.

  • Simplex Trading held 4,598 shares of Kiniksa Pharmaceuticals worth $294K as of Q2 2026.
  • Simplex Trading sold 3,404 Kiniksa Pharmaceuticals shares in Q2 2026, an estimated $177K.
  • Kiniksa Pharmaceuticals made up ﹤0.01% of Simplex Trading's portfolio in Q2 2026, its #4249 holding.
  • Simplex Trading first reported a position in Kiniksa Pharmaceuticals in Q2 2020 and has held it in 11 quarters since.
  • Simplex Trading's Kiniksa Pharmaceuticals position peaked at $385K in Q1 2026.
  • 267 funds tracked by Wall St. Rank held Kiniksa Pharmaceuticals as of Q2 2026.

Based on Simplex Trading's 13F filing for Q2 2026, filed 12 Aug 2026.