Optiver Holding
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Optiver Holding’s Kiniksa Pharmaceuticals KNSA Stock Holding History

Optiver Holding’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 		$12.9K Buy
+202
New +$10.5K ﹤0.01% 1680
2025
Q4 		– Sell
-26
Closed -$1.01K – 2737
2025
Q3 		$1.01K Buy
+26
New +$845 ﹤0.01% 2497

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

Optiver Holding's KNSA Position: Q2 2026 in Review

Optiver Holding opened a new position in Kiniksa Pharmaceuticals (KNSA) in Q2 2026: 202 shares worth $12.9K. The stake represents ﹤0.01% of the portfolio and ranks #1680 among its holdings. This is a return to the name: Optiver Holding previously reported a position in KNSA as recently as Q3 2025.

Optiver Holding first reported a position in KNSA in Q3 2025 and has held it in 2 quarters since. 266 funds tracked by Wall St. Rank hold KNSA as of Q2 2026.

  • Optiver Holding held 202 shares of Kiniksa Pharmaceuticals worth $12.9K as of Q2 2026.
  • Kiniksa Pharmaceuticals was a new Optiver Holding position in Q2 2026.
  • Kiniksa Pharmaceuticals made up ﹤0.01% of Optiver Holding's portfolio in Q2 2026, its #1680 holding.
  • Optiver Holding first reported a position in Kiniksa Pharmaceuticals in Q3 2025 and has held it in 2 quarters since.
  • 266 funds tracked by Wall St. Rank held Kiniksa Pharmaceuticals as of Q2 2026.

Based on Optiver Holding's 13F filing for Q2 2026, filed 12 Aug 2026.