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 		$9.63K Buy
+200
New +$8.86K ﹤0.01% 7396
2025
Q4 		– Sell
-6,100
Closed -$236K – 9348
2025
Q3 		$236K Buy
6,100
+3,800
+165% +$123K ﹤0.01% 4735
2025
Q2 		$63K Buy
2,300
+1,200
+109% +$30.5K ﹤0.01% 5691
2025
Q1 		$24K Sell
1,100
-1,200
-52% -$24.7K ﹤0.01% 6427
2024
Q4 		$45K Buy
2,300
+1,100
+92% +$25.1K ﹤0.01% 5985
2024
Q3 		$29K Buy
1,200
+100
+9% +$2.44K ﹤0.01% 6383
2024
Q2 		$20K Buy
1,100
+800
+267% +$15K ﹤0.01% 6887
2024
Q1 		$5K Buy
300
+200
+200% +$3.91K ﹤0.01% 8011
2023
Q4 		$1K Sell
100
-4,900
-98% -$80.5K ﹤0.01% 8510
2023
Q3 		$86K Sell
5,000
-800
-14% -$13.5K ﹤0.01% 5244
2023
Q2 		$81K Buy
5,800
+4,500
+346% +$60.2K ﹤0.01% 5326
2023
Q1 		$13K Sell
1,300
-200
-13% -$2.63K ﹤0.01% 7311
2022
Q4 		$22K Sell
1,500
-26,100
-95% -$380K ﹤0.01% 6779
2022
Q3 		$354K Buy
+27,600
New +$314K ﹤0.01% 3877
2022
Q1 		– Sell
-9,600
Closed -$112K – 10926
2021
Q4 		$112K Buy
9,600
+4,900
+104% +$60.2K ﹤0.01% 6065
2021
Q3 		$68K Hold
4,700
– – ﹤0.01% 7122
2021
Q2 		$65K Buy
4,700
+4,470
+1,943% +$67.9K ﹤0.01% 7311
2021
Q1 		$425K Buy
230
+152
+195% +$3.11K ﹤0.01% 3611
2020
Q4 		$137K Buy
78
+50
+179% +$878 ﹤0.01% 5096
2020
Q3 		$42K Buy
+28
New +$526 ﹤0.01% 5772

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.