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Spok Holdings
SPOK

124 hedge funds and large institutions have $174M invested in Spok Holdings in 2025 Q1 according to their latest regulatory filings, with 22 funds opening new positions, 41 increasing their positions, 39 reducing their positions, and 13 closing their positions.

New
Increased
Maintained
Reduced
Closed

1,627% more call options, than puts

Call options by funds: $898K | Put options by funds: $52K

69% more first-time investments, than exits

New positions opened: 22 | Existing positions closed: 13

8% more funds holding

Funds holding: 115 → 124 (+9)

7% more capital invested

Capital invested by funds: $162M → $174M (+$11.4M)

1.86% more ownership

Funds ownership: 49.83% → 51.69% (+1.9%)

5% more repeat investments, than reductions

Existing positions increased: 41 | Existing positions reduced: 39

Holders
124
Holders Change
+9
Holders Change %
+7.83%
% of All Funds
1.66%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
22
Increased
41
Reduced
39
Closed
13
Calls
$898K
Puts
$52K
Net Calls
+$846K
Net Calls Change
+$358K

Top Buyers

Rank Fund Capital Flow
1
BlackRock
BlackRock
New York
+$2.61M
2
Goldman Sachs
Goldman Sachs
New York
+$2.12M
3
Citadel Advisors
Citadel Advisors
Florida
+$2.01M
4
Two Sigma Investments
Two Sigma Investments
New York
+$1.04M
5
Marshall Wace
Marshall Wace
United Kingdom
+$866K

Top Sellers

Rank Fund Capital Flow
1
HighTower Advisors
HighTower Advisors
Illinois
-$2.34M
2
TC
Truvestments Capital
Florida
-$1.77M
3
MF
Magnetar Financial
Illinois
-$647K
4
Prudential Financial
Prudential Financial
New Jersey
-$487K
5
Vanguard Group
Vanguard Group
Pennsylvania
-$453K
Name Holding Trade Value Shares
Change 		Change in
Stake
Stifel Financial
51
Stifel Financial
Missouri
$378K +$68.3K +4,202 +22%
SWP
52
Significant Wealth Partners
Illinois
$364K +$61.3K +3,768 +20%
Bank of America
53
Bank of America
North Carolina
$347K -$95.3K -5,862 -22%
TC
54
Truvestments Capital
Florida
$337K -$1.77M -109,061 -84%
MAM
55
Martingale Asset Management
Massachusetts
$321K +$3.35K +206 +1%
Fidelity Investments
56
Fidelity Investments
Massachusetts
$318K -$15.4K -947 -5%
Deutsche Bank
57
Deutsche Bank
Germany
$287K -$43K -2,646 -13%
OQS
58
Occudo Quantitative Strategies
Florida
$287K +$285K +17,513 New
AQR Capital Management
59
AQR Capital Management
Connecticut
$271K +$268K +16,464 New
FAIM
60
Financial Advocates Investment Management
Washington
$269K -$10.8K -662 -4%
JF
61
Jump Financial
Illinois
$265K +$262K +16,144 New
Citigroup
62
Citigroup
New York
$226K -$102K -6,281 -31%
Franklin Resources
63
Franklin Resources
California
$221K +$219K +13,464 New
A
64
AlphaQuest
New York
$209K +$107K +6,570 +107%
Grantham, Mayo, Van Otterloo & Co (GMO)
65
Grantham, Mayo, Van Otterloo & Co (GMO)
Massachusetts
$202K +$23.2K +1,429 +13%
Cerity Partners
66
Cerity Partners
New York
$196K +$9.02K +555 +5%
DekaBank Deutsche Girozentrale
67
DekaBank Deutsche Girozentrale
Germany
$183K +$186K +11,442 New
Mirae Asset Global ETFs Holdings
68
Mirae Asset Global ETFs Holdings
Hong Kong
$180K +$7.61K +468 +4%
Ohio Public Employees Retirement System (OPERS)
69
Ohio Public Employees Retirement System (OPERS)
Ohio
$175K -$24.9K -1,530 -13%
NAAA
70
New Age Alpha Advisors
New York
$175K +$138K +8,480 +396%
MIM
71
MetLife Investment Management
New Jersey
$170K – – –
EC
72
EntryPoint Capital
New York
$170K +$168K +10,322 New
Cambridge Investment Research Advisors
73
Cambridge Investment Research Advisors
Iowa
$169K -$163 -10 -0.1%
AllianceBernstein
74
AllianceBernstein
Tennessee
$165K +$164K +10,060 New
VIA
75
Virtus Investment Advisers
Connecticut
$154K +$153K +9,392 New
1 2
3
4 5

SPOK Hedge Fund Activity: Q1 2025 in Review

124 of the 7,458 institutional investors tracked by Wall St. Rank reported a position in Spok Holdings (SPOK) for Q1 2025, worth a combined $174M — up 7% from $162M a quarter earlier.

Buyers outnumbered sellers: 22 funds opened new SPOK positions and 13 closed out — a net gain of 9 holders — while 41 added to existing stakes and 39 trimmed.

The largest buyer was BlackRock, adding an estimated $2.61M. The largest seller was HighTower Advisors, cutting an estimated $2.34M.

  • 124 institutional investors held Spok Holdings (SPOK) as of Q1 2025, up from 115 in Q4 2024.
  • Funds reported $174M of Spok Holdings stock for Q1 2025, up 7% quarter-over-quarter.
  • 22 funds opened new Spok Holdings positions in Q1 2025 and 13 closed out, a net change of +9 holders.
  • The largest Spok Holdings buyer in Q1 2025 was BlackRock, an estimated $2.61M added.
  • The largest Spok Holdings seller in Q1 2025 was HighTower Advisors, an estimated $2.34M sold.

Based on aggregated 13F filings for Q1 2025.