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 		$294K Sell
4,598
-3,404
-43% -$177K ﹤0.01% 4249
2026
Q1 		$385K Buy
+8,002
New +$354K ﹤0.01% 3563
2024
Q2 		– Sell
-5,049
Closed -$94.6K – 9332
2024
Q1 		$99K Buy
+5,049
New +$98.6K ﹤0.01% 5586
2023
Q2 		– Sell
-395
Closed -$5.29K – 9472
2023
Q1 		$4K Buy
395
+45
+13% +$593 ﹤0.01% 8178
2022
Q4 		$5K Buy
+350
New +$5.1K ﹤0.01% 8065
2022
Q1 		– Sell
-3,052
Closed -$32.3K – 10927
2021
Q4 		$35K Sell
3,052
-19,141
-86% -$235K ﹤0.01% 7699
2021
Q3 		$321K Buy
22,193
+100
+0.5% +$1.3K ﹤0.01% 4796
2021
Q2 		$307K Buy
22,093
+15,818
+252% +$240K ﹤0.01% 4944
2021
Q1 		$116K Buy
+6,275
New +$128K ﹤0.01% 5541
2020
Q4 		– Sell
-1,166
Closed -$20.5K – 8720
2020
Q3 		$17K Buy
1,166
+704
+152% +$13.2K ﹤0.01% 6459
2020
Q2 		$11K Buy
+462
New +$9.65K ﹤0.01% 6595

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. 266 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.
  • 266 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.