Spok Holdings
SPOK
132 hedge funds and large institutions have $111M invested in Spok Holdings in 2026 Q2 according to their latest regulatory filings, with 19 funds opening new positions, 59 increasing their positions, 39 reducing their positions, and 23 closing their positions.
70,600% more call options, than puts
Call options by funds: $707K | Put options by funds: $1K
51% more repeat investments, than reductions
Existing positions increased: 59 | Existing positions reduced: 39
38% more capital inflows, than outflows
Capital inflows: $13.7M | Capital outflows: $9.9M
1.23% more ownership
Funds ownership: 50.6% → 51.83% (+1.2%)
5% less funds holding
Funds holding: 139 → 132 (-7)
17% less first-time investments, than exits
New positions opened: 19 | Existing positions closed: 23
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Citadel Advisors
Miami,
Florida
|
+$1.8M |
| 2 |
Qube Research & Technologies (QRT)
London,
United Kingdom
|
+$1.26M |
| 3 |
United Capital Financial Advisors
Irving,
Texas
|
+$980K |
| 4 |
Fidelity Investments
Boston,
Massachusetts
|
+$807K |
| 5 |
GSA Capital Partners
London,
United Kingdom
|
+$700K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Renaissance Technologies
New York
|
-$1.23M |
| 2 |
Marshall Wace
London,
United Kingdom
|
-$1.23M |
| 3 |
Trexquant Investment
Stamford,
Connecticut
|
-$976K |
| 4 |
Jane Street
New York
|
-$776K |
| 5 |
Point72 Asset Management
Stamford,
Connecticut
|
-$767K |
SPOK Hedge Fund Activity: Q2 2026 in Review
132 of the 8,362 institutional investors tracked by Wall St. Rank reported a position in Spok Holdings (SPOK) for Q2 2026, worth a combined $111M — down 3.1% from $114M a quarter earlier.
Sellers outnumbered buyers: 23 funds closed out of SPOK and 19 opened new positions — a net loss of 4 holders — while 39 trimmed existing stakes and 59 added.
The largest buyer was Citadel Advisors, adding an estimated $1.8M. The largest seller was Renaissance Technologies, cutting an estimated $1.23M.
- 132 institutional investors held Spok Holdings (SPOK) as of Q2 2026, down from 139 in Q1 2026.
- Funds reported $111M of Spok Holdings stock for Q2 2026, down 3.1% quarter-over-quarter.
- 19 funds opened new Spok Holdings positions in Q2 2026 and 23 closed out, a net change of -4 holders.
- The largest Spok Holdings buyer in Q2 2026 was Citadel Advisors, an estimated $1.8M added.
- The largest Spok Holdings seller in Q2 2026 was Renaissance Technologies, an estimated $1.23M sold.
Based on aggregated 13F filings for Q2 2026.