Optiver Holding’s Praxis Precision Medicines PRAX Stock Holding History

Optiver Holding’s Portfolio PRAX Stock Details PRAX Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$43.9K	Buy	131 +94	+254%	+$29.8K	﹤0.01%	1196
2026 Q1	$11.9K	Sell	37 -23	-38%	-$7.12K	﹤0.01%	1187
2025 Q4	$17.7K	Sell	60 -80	-57%	-$14.9K	﹤0.01%	1045
2025 Q3	$7.42K	Buy	+140	New	+$6.79K	﹤0.01%	1475

Other funds holding PRAX

Jupiter Topco New York $245B AUM

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Perceptive Advisors New York $6.66B AUM 360.84% 1-Year Est. Return

BBA

Baker Bros. Advisors New York $20B AUM 154.41% 1-Year Est. Return

OAG

Orbis Allan Gray Hamilton, Bermuda $29.1B AUM 60.8% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Adage Capital Partners Boston, Massachusetts $71.3B AUM 56.8% 1-Year Est. Return

Optiver Holding's PRAX Position: Q2 2026 in Review

Optiver Holding increased its Praxis Precision Medicines (PRAX) stake by 254% in Q2 2026, buying an estimated $29.8K and bringing the position to 131 shares worth $43.9K. The position accounts for ﹤0.01% of the portfolio, ranked #1196.

Optiver Holding first reported a position in PRAX in Q3 2025 and has held it in 4 quarters since. 309 funds tracked by Wall St. Rank hold PRAX as of Q2 2026.

Optiver Holding held 131 shares of Praxis Precision Medicines worth $43.9K as of Q2 2026.
Optiver Holding bought 94 Praxis Precision Medicines shares in Q2 2026, an estimated $29.8K.
Praxis Precision Medicines made up ﹤0.01% of Optiver Holding's portfolio in Q2 2026, its #1196 holding.
Optiver Holding first reported a position in Praxis Precision Medicines in Q3 2025 and has held it in 4 quarters since.
309 funds tracked by Wall St. Rank held Praxis Precision Medicines as of Q2 2026.

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