Spok Holdings
SPOK
143 hedge funds and large institutions have $198M invested in Spok Holdings in 2025 Q3 according to their latest regulatory filings, with 25 funds opening new positions, 55 increasing their positions, 37 reducing their positions, and 12 closing their positions.
108% more first-time investments, than exits
New positions opened: 25 | Existing positions closed: 12
49% more repeat investments, than reductions
Existing positions increased: 55 | Existing positions reduced: 37
10% more funds holding
Funds holding: 130 → 143 (+13)
2.22% more ownership
Funds ownership: 53.44% → 55.65% (+2.2%)
2% more capital invested
Capital invested by funds: $194M → $198M (+$3.32M)
69% less call options, than puts
Call options by funds: $302K | Put options by funds: $964K
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
BlackRock
New York
|
+$3.78M |
| 2 |
Renaissance Technologies
New York
|
+$2.06M |
| 3 |
Geode Capital Management
Boston,
Massachusetts
|
+$1.48M |
| 4 |
Allspring Global Investments
Charlotte,
North Carolina
|
+$1.32M |
| 5 |
First Trust Advisors
Wheaton,
Illinois
|
+$1.13M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
PCM
Prelude Capital Management
New York
|
-$2.62M |
| 2 |
Goldman Sachs
New York
|
-$2.38M |
| 3 |
JP Morgan Chase
New York
|
-$1.95M |
| 4 |
HighTower Advisors
Chicago,
Illinois
|
-$797K |
| 5 |
Citadel Advisors
Miami,
Florida
|
-$749K |
SPOK Hedge Fund Activity: Q3 2025 in Review
143 of the 7,620 institutional investors tracked by Wall St. Rank reported a position in Spok Holdings (SPOK) for Q3 2025, worth a combined $198M — up 1.7% from $194M a quarter earlier.
Buyers outnumbered sellers: 25 funds opened new SPOK positions and 12 closed out — a net gain of 13 holders — while 55 added to existing stakes and 37 trimmed.
The largest buyer was BlackRock, adding an estimated $3.78M. The largest seller was Prelude Capital Management, exiting entirely with an estimated $2.62M sold.
- 143 institutional investors held Spok Holdings (SPOK) as of Q3 2025, up from 130 in Q2 2025.
- Funds reported $198M of Spok Holdings stock for Q3 2025, up 1.7% quarter-over-quarter.
- 25 funds opened new Spok Holdings positions in Q3 2025 and 12 closed out, a net change of +13 holders.
- The largest Spok Holdings buyer in Q3 2025 was BlackRock, an estimated $3.78M added.
- The largest Spok Holdings seller in Q3 2025 was Prelude Capital Management, an estimated $2.62M sold.
Based on aggregated 13F filings for Q3 2025.