Optiver Holding
ALEC icon

Optiver Holding’s Alector ALEC Stock Holding History

Optiver Holding’s Portfolio ALEC Stock Details ALEC Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$1.86K Sell
925
-776
-46% -$1.66K ﹤0.01% 2328
2026
Q1 		$3.66K Buy
+1,701
New +$3.42K ﹤0.01% 1564
2025
Q4 		– Sell
-1,018
Closed -$3.01K – 2461
2025
Q3 		$3.01K Buy
+1,018
New +$2.24K ﹤0.01% 2178

Other funds holding ALEC

TCM
TCG Crossover Management Palo Alto, California $4.16B AUM 983.43% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $84.2B AUM 55.88% 1-Year Est. Return
NCM
Nantahala Capital Management New Canaan, Connecticut $3.01B AUM 119.46% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
KCM
Kynam Capital Management Princeton, New Jersey $1.81B AUM 192.15% 1-Year Est. Return
MC
Merck & Co Rahway, New Jersey $526M AUM 175.27% 1-Year Est. Return
Balyasny Asset Management
Balyasny Asset Management Chicago, Illinois $80.2B AUM 51.53% 1-Year Est. Return
6CM
683 Capital Management New York $2.04B AUM 94.26% 1-Year Est. Return
D.E. Shaw & Co
D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return

Optiver Holding's ALEC Position: Q2 2026 in Review

Optiver Holding reduced its Alector (ALEC) stake by 46% in Q2 2026, selling an estimated $1.66K and leaving 925 shares worth $1.86K. The position accounts for ﹤0.01% of the portfolio, ranked #2328.

Optiver Holding first reported a position in ALEC in Q3 2025 and has held it in 3 quarters since. The position peaked at $3.66K in Q1 2026. 141 funds tracked by Wall St. Rank hold ALEC as of Q2 2026.

  • Optiver Holding held 925 shares of Alector worth $1.86K as of Q2 2026.
  • Optiver Holding sold 776 Alector shares in Q2 2026, an estimated $1.66K.
  • Alector made up ﹤0.01% of Optiver Holding's portfolio in Q2 2026, its #2328 holding.
  • Optiver Holding first reported a position in Alector in Q3 2025 and has held it in 3 quarters since.
  • Optiver Holding's Alector position peaked at $3.66K in Q1 2026.
  • 141 funds tracked by Wall St. Rank held Alector as of Q2 2026.

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