SPOK SPOK HOLDINGS IN

Ownership history in MARSHALL WACE, LLP  ·  12 quarters on record

This page tracks every 13F SEC filing in which MARSHALL WACE, LLP reported a position in SPOK HOLDINGS IN (SPOK). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price — sourced directly from SEC EDGAR 13F filings.

Peak position
0.01% (2021 Q3)
Avg. % of fund
0.0%
First filed
2020 Q3
Last filed
2025 Q3
Quarters held
12
Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2025 Q3 ADDED 34,084 +1,009 +3.1% 0.00% $588K $16.40
2025 Q2 REDUCED 33,075 -20,182 -37.9% 0.00% $585K $16.52
2025 Q1 REDUCED 53,257 -128,618 -70.7% 0.00% $876K $15.06
2023 Q1 ADDED 181,875 +109,622 +151.7% 0.00% $1.8M $7.88
2022 Q4 ADDED 72,253 +17,044 +30.9% 0.00% $592K $6.18
2022 Q2 ADDED 55,209 +41,559 +304.5% 0.00% $348K $4.39
2022 Q1 REDUCED 13,650 -60,155 -81.5% 0.00% $109K $5.33
2021 Q4 REDUCED 73,805 -89,549 -54.8% 0.00% $689K $6.01
2021 Q3 ADDED 163,354 +150,401 +1161.1% 0.01% $1.7M $6.51
2021 Q2 REDUCED 12,953 -9,231 -41.6% 0.00% $125K $6.02
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% of Fund (quarterly)    SPOK price (monthly, adj. close)
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