Jane Street
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Jane Street’s Spok Holdings SPOK Stock Holding History

Jane Street’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
Q2 		$156K Sell
15,193
-71,331
-82% -$776K ﹤0.01% 10321
2026
Q1 		$943K Buy
86,524
+72,760
+529% +$926K ﹤0.01% 6637
2025
Q4 		$182K Sell
13,764
-26,336
-66% -$373K ﹤0.01% 9807
2025
Q3 		$692K Buy
+40,100
New +$714K ﹤0.01% 7123
2025
Q2 		– Sell
-28,394
Closed -$467K – 10807
2025
Q1 		$467K Buy
+28,394
New +$462K ﹤0.01% 6995
2024
Q4 		– Sell
-13,306
Closed -$200K – 10518
2024
Q3 		$200K Sell
13,306
-4,246
-24% -$64.5K ﹤0.01% 8645
2024
Q2 		$260K Buy
17,552
+988
+6% +$14.9K ﹤0.01% 8013
2024
Q1 		$264K Buy
16,564
+1,687
+11% +$27.8K ﹤0.01% 7751
2023
Q4 		$230K Buy
+14,877
New +$229K ﹤0.01% 8015
2023
Q2 		– Sell
-109,059
Closed -$1.1M – 9520
2023
Q1 		$1.1M Buy
+109,059
New +$996K ﹤0.01% 4816
2021
Q3 		– Sell
-40,661
Closed -$391K – 10676
2021
Q2 		$391K Buy
+40,661
New +$434K ﹤0.01% 7703
2017
Q3 		– Sell
-26,894
Closed -$476K – 5023
2017
Q2 		$476K Buy
26,894
+8,336
+45% +$149K ﹤0.01% 3094
2017
Q1 		$353K Buy
+18,558
New +$360K ﹤0.01% 3253
2014
Q2 		– Sell
-12,344
Closed -$224K – 3086
2014
Q1 		$224K Buy
+12,344
New +$183K ﹤0.01% 2260

Other funds holding SPOK

BlackRock
BlackRock New York $6.73T AUM 46.02% 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
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
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
HighTower Advisors
HighTower Advisors Chicago, Illinois $104B AUM 28.3% 1-Year Est. Return
Qube Research & Technologies (QRT)
Qube Research & Technologies (QRT) London, United Kingdom $108B AUM 37.29% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Jane Street's SPOK Position: Q2 2026 in Review

Jane Street reduced its Spok Holdings (SPOK) stake by 82% in Q2 2026, selling an estimated $776K and leaving 15,193 shares worth $156K. The position accounts for ﹤0.01% of the portfolio, ranked #10321.

Jane Street first reported a position in SPOK in Q1 2014 and has held it in 14 quarters since. The position peaked at $1.1M in Q1 2023. 133 funds tracked by Wall St. Rank hold SPOK as of Q2 2026.

  • Jane Street held 15,193 shares of Spok Holdings worth $156K as of Q2 2026.
  • Jane Street sold 71,331 Spok Holdings shares in Q2 2026, an estimated $776K.
  • Spok Holdings made up ﹤0.01% of Jane Street's portfolio in Q2 2026, its #10321 holding.
  • Jane Street first reported a position in Spok Holdings in Q1 2014 and has held it in 14 quarters since.
  • Jane Street's Spok Holdings position peaked at $1.1M in Q1 2023.
  • 133 funds tracked by Wall St. Rank held Spok Holdings as of Q2 2026.

Based on Jane Street's 13F filing for Q2 2026, filed 14 Aug 2026.