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
2023
Q4 		– Sell
-17,659
Closed -$252K – 2471
2023
Q3 		$252K Sell
17,659
-923
-5% -$12.4K ﹤0.01% 1763
2023
Q2 		$247K Buy
+18,582
New +$233K ﹤0.01% 1842
2020
Q1 		– Sell
-26,055
Closed -$319K – 2700
2019
Q4 		$319K Buy
26,055
+1,002
+4% +$11.8K ﹤0.01% 1887
2019
Q3 		$299K Buy
25,053
+11,253
+82% +$145K ﹤0.01% 1752
2019
Q2 		$208K Buy
+13,800
New +$205K ﹤0.01% 1718
2018
Q2 		– Sell
-290
Closed -$4K – 3220
2018
Q1 		$4K Sell
290
-2,734
-90% -$41.4K ﹤0.01% 1962
2017
Q4 		$47K Buy
+3,024
New +$50.7K ﹤0.01% 3265

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.