Parallax Volatility Advisers
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Parallax Volatility Advisers’s Spok Holdings SPOK Stock Holding History

Parallax Volatility Advisers’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
2015
Q1 		– Sell
-1,000
Closed -$17K – 5452
2014
Q4 		$17K Hold
1,000
– – ﹤0.01% 4533
2014
Q3 		$13K Hold
1,000
– – ﹤0.01% 3833
2014
Q2 		$15K Buy
+1,000
New +$15.9K ﹤0.01% 3624

Other funds holding SPOK

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
HighTower Advisors
HighTower Advisors Chicago, Illinois $94.2B AUM 21.24% 1-Year Est. Return
FP
Foundry Partners Minneapolis, Minnesota $1.89B AUM 9.84% 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
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $70.5B AUM 36% 1-Year Est. Return

Parallax Volatility Advisers's SPOK Position: Q4 2023 in Review

Parallax Volatility Advisers sold out of Spok Holdings (SPOK) in Q4 2023, closing a stake of 17,659 shares — an estimated $252K sold.

Parallax Volatility Advisers first reported a position in SPOK in Q4 2017 and held it in 7 quarters. The position peaked at $319K in Q4 2019. 107 funds tracked by Wall St. Rank hold SPOK as of Q4 2023.

  • Parallax Volatility Advisers reported no remaining Spok Holdings position as of Q4 2023 after selling out during the quarter.
  • Parallax Volatility Advisers sold 17,659 Spok Holdings shares in Q4 2023, an estimated $252K.
  • Parallax Volatility Advisers first reported a position in Spok Holdings in Q4 2017 and held it in 7 quarters.
  • Parallax Volatility Advisers's Spok Holdings position peaked at $319K in Q4 2019.
  • 107 funds tracked by Wall St. Rank held Spok Holdings as of Q4 2023.

Based on Parallax Volatility Advisers's 13F filing for Q4 2023, filed 14 Feb 2024.