Optiver Holding
PBYI icon

Optiver Holding’s Puma Biotechnology PBYI Stock Holding History

Optiver Holding’s Portfolio PBYI Stock Details PBYI Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$2.98K Sell
368
-48
-12% -$351 ﹤0.01% 2174
2026
Q1 		$2.66K Sell
416
-352
-46% -$2.27K ﹤0.01% 1732
2025
Q4 		$4.57K Hold
768
– – ﹤0.01% 1430
2025
Q3 		$4.08K Buy
+768
New +$3.26K ﹤0.01% 1927

Other funds holding PBYI

ACA
Acorn Capital Advisors New York $366M AUM 474.6% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $84.2B AUM 55.88% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
LSV Asset Management
LSV Asset Management Chicago, Illinois $55.1B AUM 45.38% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Optiver Holding's PBYI Position: Q2 2026 in Review

Optiver Holding reduced its Puma Biotechnology (PBYI) stake by 12% in Q2 2026, selling an estimated $351 and leaving 368 shares worth $2.98K. The position accounts for ﹤0.01% of the portfolio, ranked #2174.

Optiver Holding first reported a position in PBYI in Q3 2025 and has held it in 4 quarters since. The position peaked at $4.57K in Q4 2025. 160 funds tracked by Wall St. Rank hold PBYI as of Q2 2026.

  • Optiver Holding held 368 shares of Puma Biotechnology worth $2.98K as of Q2 2026.
  • Optiver Holding sold 48 Puma Biotechnology shares in Q2 2026, an estimated $351.
  • Puma Biotechnology made up ﹤0.01% of Optiver Holding's portfolio in Q2 2026, its #2174 holding.
  • Optiver Holding first reported a position in Puma Biotechnology in Q3 2025 and has held it in 4 quarters since.
  • Optiver Holding's Puma Biotechnology position peaked at $4.57K in Q4 2025.
  • 160 funds tracked by Wall St. Rank held Puma Biotechnology as of Q2 2026.

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