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Spok Holdings

139 hedge funds and large institutions have $114M invested in Spok Holdings in 2026 Q1 according to their latest regulatory filings, with 25 funds opening new positions, 44 increasing their positions, 53 reducing their positions, and 17 closing their positions.

New
Increased
Maintained
Reduced
Closed

313% more call options, than puts

Call options by funds: $33K | Put options by funds: $8K

47% more first-time investments, than exits

New positions opened: 25 | Existing positions closed: 17

5% more funds holding

Funds holding: 133139 (+6)

3.05% less ownership

Funds ownership: 53.65%50.6% (-3%)

17% less repeat investments, than reductions

Existing positions increased: 44 | Existing positions reduced: 53

22% less capital invested

Capital invested by funds: $146M → $114M (-$31.4M)

Holders
139
Holders Change
+6
Holders Change %
+4.51%
% 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
44
Reduced
53
Closed
17
Calls
$33K
Puts
$8K
Net Calls
+$25K
Net Calls Change
-$9K
Name Holding Trade Value Shares
Change
Change in
Stake
BlackRock
1
BlackRock
New York
$18.3M -$1.57M -123,322 -7%
Renaissance Technologies
2
Renaissance Technologies
New York
$13.8M +$191K +15,000 +1%
VCM
3
Vanguard Capital Management
Pennsylvania
$9.37M +$10.9M +859,530 New
Dimensional Fund Advisors
4
Dimensional Fund Advisors
Texas
$7.8M +$153K +12,043 +2%
Geode Capital Management
5
Geode Capital Management
Massachusetts
$5.95M -$672K -52,834 -9%
State Street
6
State Street
Massachusetts
$5.03M +$189K +14,871 +3%
HighTower Advisors
7
HighTower Advisors
Illinois
$4.16M -$7.13K -560 -0.1%
VPM
8
Vanguard Portfolio Management
Pennsylvania
$2.89M +$3.37M +265,028 New
Goldman Sachs
9
Goldman Sachs
New York
$2.39M -$1.82M -142,890 -39%
Bank of New York Mellon
10
Bank of New York Mellon
New York
$2.37M +$63.5K +4,987 +2%
Northern Trust
11
Northern Trust
Illinois
$2.36M -$7.01K -551 -0.3%
CA
12
CSM Advisors
Pennsylvania
$2.32M -$634K -49,815 -19%
UIC
13
Uniplan Investment Counsel
Wisconsin
$2.28M +$619K +48,605 +30%
Qube Research & Technologies (QRT)
14
Qube Research & Technologies (QRT)
United Kingdom
$1.88M -$76.8K -6,035 -3%
Morgan Stanley
15
Morgan Stanley
New York
$1.74M -$227K -17,867 -10%
Connor, Clark & Lunn Investment Management (CC&L)
16
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$1.58M -$662K -52,014 -26%
VFT
17
Vanguard Fiduciary Trust
Pennsylvania
$1.41M +$1.64M +129,248 New
TI
18
Trexquant Investment
Connecticut
$1.4M -$532K -41,797 -24%
NSIM
19
North Star Investment Management
Illinois
$1.33M
Jacobs Levy Equity Management
20
Jacobs Levy Equity Management
New Jersey
$1.27M -$27.4K -2,157 -2%
Marshall Wace
21
Marshall Wace
United Kingdom
$1.23M +$1.44M +112,789 New
UCFA
22
United Capital Financial Advisors
Texas
$1.14M +$1.33M +104,723 New
Point72 Asset Management
23
Point72 Asset Management
Connecticut
$977K +$902K +70,902 +379%
D.E. Shaw & Co
24
D.E. Shaw & Co
New York
$975K +$240K +18,823 +27%
Jane Street
25
Jane Street
New York
$943K +$926K +72,760 +529%

SPOK Hedge Fund Activity: Q1 2026 in Review

139 of the 8,126 institutional investors tracked by Wall St. Rank reported a position in Spok Holdings (SPOK) for Q1 2026, worth a combined $114M — down 22% from $146M a quarter earlier.

Buyers outnumbered sellers: 25 funds opened new SPOK positions and 17 closed out — a net gain of 8 holders — while 44 added to existing stakes and 53 trimmed.

The largest buyer was Marshall Wace, opening a new position worth an estimated $1.44M. The largest seller was Acadian Asset Management, exiting entirely with an estimated $4.25M sold.

  • 139 institutional investors held Spok Holdings (SPOK) as of Q1 2026, up from 133 in Q4 2025.
  • Funds reported $114M of Spok Holdings stock for Q1 2026, down 22% quarter-over-quarter.
  • 25 funds opened new Spok Holdings positions in Q1 2026 and 17 closed out, a net change of +8 holders.
  • The largest Spok Holdings buyer in Q1 2026 was Marshall Wace, an estimated $1.44M added.
  • The largest Spok Holdings seller in Q1 2026 was Acadian Asset Management, an estimated $4.25M sold.

Based on aggregated 13F filings for Q1 2026.