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Spok Holdings

130 hedge funds and large institutions have $194M invested in Spok Holdings in 2025 Q2 according to their latest regulatory filings, with 25 funds opening new positions, 52 increasing their positions, 35 reducing their positions, and 18 closing their positions.

New
Increased
Maintained
Reduced
Closed

49% more repeat investments, than reductions

Existing positions increased: 52 | Existing positions reduced: 35

39% more first-time investments, than exits

New positions opened: 25 | Existing positions closed: 18

12% more capital invested

Capital invested by funds: $174M → $194M (+$20.8M)

5% more funds holding

Funds holding: 124130 (+6)

1.74% more ownership

Funds ownership: 51.69%53.44% (+1.7%)

48% less call options, than puts

Call options by funds: $622K | Put options by funds: $1.19M

Holders
130
Holders Change
+6
Holders Change %
+4.84%
% of All Funds
1.71%
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
25
Increased
52
Reduced
35
Closed
18
Calls
$622K
Puts
$1.19M
Net Calls
-$566K
Net Calls Change
-$1.41M
Name Holding Trade Value Shares
Change
Change in
Stake
BlackRock
1
BlackRock
New York
$30.5M +$2.91M +180,478 +12%
Vanguard Group
2
Vanguard Group
Pennsylvania
$20.3M +$2.07M +128,225 +13%
Renaissance Technologies
3
Renaissance Technologies
New York
$18.7M +$600K +37,200 +4%
Dimensional Fund Advisors
4
Dimensional Fund Advisors
Texas
$12.6M +$183K +11,327 +2%
Goldman Sachs
5
Goldman Sachs
New York
$9.37M +$134K +8,315 +2%
Geode Capital Management
6
Geode Capital Management
Massachusetts
$9.17M +$483K +29,957 +6%
HighTower Advisors
7
HighTower Advisors
Illinois
$8.01M -$1.13M -69,842 -13%
State Street
8
State Street
Massachusetts
$7.87M +$127K +7,897 +2%
Acadian Asset Management
9
Acadian Asset Management
Massachusetts
$6.89M +$211K +13,077 +3%
CA
10
CSM Advisors
Pennsylvania
$6.17M +$5.63M +349,185 New
Northern Trust
11
Northern Trust
Illinois
$4.3M +$423K +26,221 +12%
JP Morgan Chase
12
JP Morgan Chase
New York
$3.96M +$403K +24,991 +13%
Connor, Clark & Lunn Investment Management (CC&L)
13
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$3.52M +$942K +58,416 +42%
Bank of New York Mellon
14
Bank of New York Mellon
New York
$3.46M +$86.9K +5,389 +3%
UIC
15
Uniplan Investment Counsel
Wisconsin
$3.33M -$276K -17,104 -8%
Morgan Stanley
16
Morgan Stanley
New York
$2.69M -$260K -16,093 -10%
PCM
17
Prelude Capital Management
New York
$2.62M -$75.8K -4,700 -3%
Qube Research & Technologies (QRT)
18
Qube Research & Technologies (QRT)
United Kingdom
$2.58M +$334K +20,730 +17%
NSIM
19
North Star Investment Management
Illinois
$2.16M
TI
20
Trexquant Investment
Connecticut
$1.97M -$514K -31,865 -22%
Two Sigma Investments
21
Two Sigma Investments
New York
$1.92M +$725K +44,939 +70%
Two Sigma Advisers
22
Two Sigma Advisers
New York
$1.39M +$197K +12,200 +18%
N
23
Nuveen
North Carolina
$1.29M -$138K -8,527 -10%
Lazard Asset Management
24
Lazard Asset Management
New York
$1.17M +$1.06M +65,484 +8,428%
Citadel Advisors
25
Citadel Advisors
Florida
$1.16M -$1.43M -88,903 -58%

SPOK Hedge Fund Activity: Q2 2025 in Review

130 of the 7,595 institutional investors tracked by Wall St. Rank reported a position in Spok Holdings (SPOK) for Q2 2025, worth a combined $194M — up 12% from $174M a quarter earlier.

Buyers outnumbered sellers: 25 funds opened new SPOK positions and 18 closed out — a net gain of 7 holders — while 52 added to existing stakes and 35 trimmed.

The largest buyer was CSM Advisors, opening a new position worth an estimated $5.63M. The largest seller was Allspring Global Investments, exiting entirely with an estimated $1.7M sold.

  • 130 institutional investors held Spok Holdings (SPOK) as of Q2 2025, up from 124 in Q1 2025.
  • Funds reported $194M of Spok Holdings stock for Q2 2025, up 12% quarter-over-quarter.
  • 25 funds opened new Spok Holdings positions in Q2 2025 and 18 closed out, a net change of +7 holders.
  • The largest Spok Holdings buyer in Q2 2025 was CSM Advisors, an estimated $5.63M added.
  • The largest Spok Holdings seller in Q2 2025 was Allspring Global Investments, an estimated $1.7M sold.

Based on aggregated 13F filings for Q2 2025.