SPOK HOLDINGS INC (SPOK) Stock Institutional Trading Activity


SPOK HOLDINGS INC (SPOK) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q4 2025), investors with some of the largest reported share count changes include Renaissance Technologies LLC. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.

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Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q4 2025Renaissance Technologies LLCBuy74,0291,246,579$16,442,377
Q3 2025Renaissance Technologies LLCBuy115,9001,172,550$20,226,488
Q2 2025Renaissance Technologies LLCBuy37,2001,056,650$18,681,572
Q1 2025Renaissance Technologies LLCBuy43,8001,019,450$16,759,758
Q4 2024Renaissance Technologies LLCSell-24,072975,650$15,659,183
Q3 2024Renaissance Technologies LLCSell-15,000999,722$15,055,813
Q2 2024Renaissance Technologies LLCBuy21,5001,014,722$15,028,033
Q1 2024Renaissance Technologies LLCBuy19,000993,222$15,842
Q4 2023Renaissance Technologies LLCSell-116,000974,222$15,081
Q3 2023Renaissance Technologies LLCSell-108,6951,090,222$15,557
Q2 2023Renaissance Technologies LLCSell-17,1051,198,917$15,934
Q1 2023Renaissance Technologies LLCSell-75,9001,216,022$12,318
Q4 2022Renaissance Technologies LLCBuy159,8921,291,922$10,581
Q3 2022Renaissance Technologies LLCSell-63,2841,132,030$8,649
Q2 2022Renaissance Technologies LLCBuy20,5921,195,314$7,530
Q1 2022Renaissance Technologies LLCSell-37,8001,174,722$9,374
Q4 2021Renaissance Technologies LLCSell-21,2001,212,522$11,313
Q3 2021Renaissance Technologies LLCSell-283,0491,233,722$12,609
Q2 2021Renaissance Technologies LLCSell-4,1911,516,771$14,591
Q1 2021Renaissance Technologies LLCSell-30,0311,520,962$15,955
Q4 2020Renaissance Technologies LLCBuy52,0001,550,993$17,263
Q3 2020Renaissance Technologies LLCSell-13,5001,498,993$14,255
Q2 2020Renaissance Technologies LLCBuy60,7001,512,493$14,142
Q1 2020Renaissance Technologies LLCSell-15,0911,451,793$15,520
Q4 2019Renaissance Technologies LLCSell-70,6591,466,884$17,940
Q3 2019Renaissance Technologies LLCBuy30,5591,537,543$18,358
Q2 2019Renaissance Technologies LLCSell-29,4001,506,984$22,665
Q1 2019Renaissance Technologies LLCBuy32,1841,536,384$20,926
Q4 2018Renaissance Technologies LLCSell-77,6891,504,200$19,946
Q3 2018Renaissance Technologies LLCBuy17,7891,581,889$24,361

Frequently asked questions about SPOK activity

  • Which institutional owners are buying SPOK?

    Institutional owners buying SPOK include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in SPOK activity?

    "Buy" means an investor increased their reported position in SPOK compared to the prior reporting period. This reflects growing exposure to SPOK HOLDINGS INC (SPOK) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in SPOK increasing?

    Institutional interest in SPOK can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.