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
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 $1.9T AUM 41.92% 1-Year Est. Return
RCMNY
Rubric Capital Management (New York) New York $9.44B AUM 68.42% 1-Year Est. Return
BBA
Baker Bros. Advisors New York $17.4B AUM 131.5% 1-Year Est. Return
TCM
Tang Capital Management San Diego, California $1.97B AUM 125.1% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $70.5B AUM 36% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
D.E. Shaw & Co
D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return
Arrowstreet Capital
Arrowstreet Capital Boston, Massachusetts $185B AUM 39.58% 1-Year Est. Return

Simplex Trading's KNSA Position: Q1 2026 in Review

Simplex Trading opened a new position in Kiniksa Pharmaceuticals (KNSA) in Q1 2026: 8,002 shares worth $385K. The stake represents ﹤0.01% of the portfolio and ranks #3563 among its holdings. This is a return to the name: Simplex Trading previously reported a position in KNSA as recently as Q1 2024.

Simplex Trading first reported a position in KNSA in Q2 2020 and has held it in 10 quarters since. 228 funds tracked by Wall St. Rank hold KNSA as of Q1 2026.

  • Simplex Trading held 8,002 shares of Kiniksa Pharmaceuticals worth $385K as of Q1 2026.
  • Kiniksa Pharmaceuticals was a new Simplex Trading position in Q1 2026.
  • Kiniksa Pharmaceuticals made up ﹤0.01% of Simplex Trading's portfolio in Q1 2026, its #3563 holding.
  • Simplex Trading first reported a position in Kiniksa Pharmaceuticals in Q2 2020 and has held it in 10 quarters since.
  • 228 funds tracked by Wall St. Rank held Kiniksa Pharmaceuticals as of Q1 2026.

Based on Simplex Trading's 13F filing for Q1 2026, filed 14 May 2026.