Optiver Holding
SPOK icon

Optiver Holding’s Spok Holdings SPOK Stock Holding History

Optiver Holding’s Portfolio SPOK Stock Details SPOK Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$1.77K Sell
162
-104
-39% -$1.32K ﹤0.01% 1897
2025
Q4 		$3.51K Hold
266
– – ﹤0.01% 1637
2025
Q3 		$4.59K Buy
+266
New +$4.73K ﹤0.01% 1810

Other funds holding SPOK

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
HighTower Advisors
HighTower Advisors Chicago, Illinois $94.2B AUM 21.24% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $544B AUM 28.31% 1-Year Est. Return

Optiver Holding's SPOK Position: Q1 2026 in Review

Optiver Holding reduced its Spok Holdings (SPOK) stake by 39% in Q1 2026, selling an estimated $1.32K and leaving 162 shares worth $1.77K. The position accounts for ﹤0.01% of the portfolio, ranked #1897.

Optiver Holding first reported a position in SPOK in Q3 2025 and has held it in 3 quarters since. The position peaked at $4.59K in Q3 2025. 139 funds tracked by Wall St. Rank hold SPOK as of Q1 2026.

  • Optiver Holding held 162 shares of Spok Holdings worth $1.77K as of Q1 2026.
  • Optiver Holding sold 104 Spok Holdings shares in Q1 2026, an estimated $1.32K.
  • Spok Holdings made up ﹤0.01% of Optiver Holding's portfolio in Q1 2026, its #1897 holding.
  • Optiver Holding first reported a position in Spok Holdings in Q3 2025 and has held it in 3 quarters since.
  • Optiver Holding's Spok Holdings position peaked at $4.59K in Q3 2025.
  • 139 funds tracked by Wall St. Rank held Spok Holdings as of Q1 2026.

Based on Optiver Holding's 13F filing for Q1 2026, filed 15 May 2026.