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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
MAM
51
Martingale Asset Management
Massachusetts
$251K -$8.51K -669 -3%
State of Wisconsin Investment Board
52
State of Wisconsin Investment Board
Wisconsin
$221K +$117K +9,200 +83%
Two Sigma Investments
53
Two Sigma Investments
New York
$217K -$543K -42,687 -68%
CIM
54
Cambria Investment Management
California
$215K +$96.6K +7,590 +62%
Wells Fargo
55
Wells Fargo
California
$207K -$135K -10,643 -36%
HWAM
56
Hennion & Walsh Asset Management
New Jersey
$204K -$1.77K -139 -0.7%
OQS
57
Occudo Quantitative Strategies
Florida
$203K +$68.9K +5,416 +40%
Deutsche Bank
58
Deutsche Bank
Germany
$196K +$61.3K +4,820 +37%
Citadel Advisors
59
Citadel Advisors
Florida
$194K -$406K -31,917 -64%
ACM
60
Aquatic Capital Management
Illinois
$189K +$157K +12,376 +249%
Ameriprise
61
Ameriprise
Minnesota
$184K -$39.8K -3,128 -16%
SWP
62
Significant Wealth Partners
Illinois
$182K +$24K +1,885 +13%
Barclays
63
Barclays
United Kingdom
$167K -$372K -29,200 -66%
EF
64
Empowered Funds
Pennsylvania
$166K +$193K +15,203 New
Canada Pension Plan Investment Board
65
Canada Pension Plan Investment Board
Ontario, Canada
$166K
Fidelity Investments
66
Fidelity Investments
Massachusetts
$164K -$1.42M -111,953 -88%
T. Rowe Price Associates
67
T. Rowe Price Associates
Maryland
$162K +$51.5K +4,047 +38%
EC
68
EntryPoint Capital
New York
$162K +$189K +14,850 New
MF
69
Magnetar Financial
Illinois
$152K -$96.4K -7,577 -35%
Susquehanna International Group
70
Susquehanna International Group
Pennsylvania
$142K +$166K +13,064 New
Squarepoint
71
Squarepoint
New York
$136K -$46.2K -3,631 -23%
BMWS
72
Brady Martz Wealth Solutions
North Dakota
$133K +$156K +12,220 New
FPAS
73
Focus Partners Advisor Solutions
Missouri
$132K +$154K +12,111 New
QC
74
Quadrature Capital
United Kingdom
$124K +$145K +11,367 New
Ohio Public Employees Retirement System (OPERS)
75
Ohio Public Employees Retirement System (OPERS)
Ohio
$116K

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.