Who Owns Spok Holdings, Inc. (SPOK)?Hedge Fund & Institutional Holders

$11.71-0.27 (-2.25%)HealthcareNASDAQ

Institutional Holders

50

as of Q4 2025

Total Institutional Value

$1.6000143869000902e+164T

% of Float Held

—

QoQ Change in Holders

+15 / -1

Price History

$11.92$13.63$15.34$17.05$18.76Sep 24Jun 25Mar 26

SPOK — Biggest New Institutional Buyers This Quarter

FundActionShares AddedValue Added
Bank of New York Mellon CorpNew Position+213K+$2.0M
North Star Investment Management Corp.New Position+122K+$1.6M
LOS ANGELES CAPITAL MANAGEMENT LLCNew Position+102K+$1.0M
Magnetar Financial LLCNew Position+21K+$282K
Hennion & Walsh Asset Management, Inc.New Position+19K+$248K
Significant Wealth Partners LLCNew Position+15K+$195K
VIRTUS ADVISERS, LLCNew Position+15K+$193K
OXFORD ASSET MANAGEMENT LLPNew Position+10K+$136K
Versant Capital Management, IncNew Position+7K+$87K
State of WyomingNew Position+4K+$50K
SBI Securities Co., Ltd.New Position+2K+$23K
McIlrath & Eck, LLCNew Position+1K+$19K
CWM, LLCNew Position+857+$11K
NISA INVESTMENT ADVISORS, LLCNew Position+792+$10K
State of Alaska, Department of RevenueNew Position+653+$8K

SPOK — Institutions Reducing or Closing Positions

FundActionShares SoldValue Sold
BlackRock, Inc.Decreased-136K-$33.4B
DIMENSIONAL FUND ADVISORS LPDecreased-15K-$12.4B
GEODE CAPITAL MANAGEMENT, LLCDecreased-3K-$10.4B
STATE STREET CORPDecreased-11K-$7.9B
HighTower Advisors, LLCDecreased-26K-$7.0B
GOLDMAN SACHS GROUP INCDecreased-33K-$6.8B
Connor, Clark & Lunn Investment Management Ltd.Decreased-61K-$4.5B
NORTHERN TRUST CORPDecreased-24K-$4.2B
TWO SIGMA INVESTMENTS, LPDecreased-107K-$2.9B
Uniplan Investment Counsel, Inc.Decreased-7K-$2.8B
JPMORGAN CHASE & CODecreased-23K-$2.0B
LAZARD ASSET MANAGEMENT LLCClosed Position-81K-$1.4B
TWO SIGMA ADVISERS, LPDecreased-26K-$1.2B
UBS Group AGDecreased-10K-$1.2B
CHARLES SCHWAB INVESTMENT MANAGEMENT INCDecreased-114-$1.1B

Top Institutional Holders(Q4 2025)

#FundSharesValue% of PortfolioType
1RENAISSANCE TECHNOLOGIES LLC1,246,579$16.0M0.02%Share
2VANGUARD GROUP INC1,090,708$14.4M0.00%Share
3BlackRock, Inc.710,432$9.0M0.00%Share
4BlackRock, Inc.751,757$9.0M0.00%Share
5DIMENSIONAL FUND ADVISORS LP664,466$8.0M0.00%Share
6GEODE CAPITAL MANAGEMENT, LLC531,968$7.0M0.00%Share
7STATE STREET CORP446,919$5.0M0.00%Share
8HighTower Advisors, LLC382,375$5.0M0.01%Share
9ACADIAN ASSET MANAGEMENT LLC322,043$4.0M0.01%Share
10CSM Advisors, LLC262,945$3.5M0.09%Share
11GOLDMAN SACHS GROUP INC284,728$3.0M0.00%Share
12Trexquant Investment LP170,653$2.3M0.02%Share
13Uniplan Investment Counsel, Inc.153,824$2.0M0.57%Share
14Qube Research & Technologies Ltd178,092$2.0M0.00%Share
15Bank of New York Mellon Corp168,496$2.0M0.00%Share
16NORTHERN TRUST CORP175,342$2.0M0.00%Share
17Connor, Clark & Lunn Investment Management Ltd.196,865$2.0M0.01%Share
18VANGUARD GROUP INC129,383$1.7M0.00%Share
19North Star Investment Management Corp.122,000$1.6M0.10%Share
20MORGAN STANLEY92,111$1.0M0.00%Share
21LOS ANGELES CAPITAL MANAGEMENT LLC102,021$1.0M0.00%Share
22GOLDMAN SACHS GROUP INC77,743$1.0M0.00%Share
23MILLENNIUM MANAGEMENT LLC125,808$1.0M0.00%Share
24JACOBS LEVY EQUITY MANAGEMENT, INC118,967$1.0M0.00%Share
25PANAGORA ASSET MANAGEMENT INC93,085$1.0M0.00%Share
26FMR LLC124,830$1.0M0.00%Share
27BlackRock, Inc.140,145$1.0M0.00%Share
28BlackRock, Inc.97,314$1.0M0.00%Share
29Quantinno Capital Management LP92,726$1.0M0.00%Share
30HSBC HOLDINGS PLC60,331$796K0.00%Share
31Keebeck Wealth Management40,000$527K0.06%Share
32UBS Group AG35,321$465K0.00%Share
33Invesco Ltd.22,696$299K0.00%Share
34UBS Group AG19,870$262K0.00%Share
35Hennion & Walsh Asset Management, Inc.18,846$248K0.01%Share
36Significant Wealth Partners LLC14,798$195K0.22%Share
37VIRTUS ADVISERS, LLC14,663$193K0.09%Share
38OCCUDO QUANTITATIVE STRATEGIES LP13,532$178K0.01%Share
39Magnetar Financial LLC12,113$159K0.00%Share
40OXFORD ASSET MANAGEMENT LLP10,352$136K0.06%Share
41Magnetar Financial LLC9,368$123K0.00%Share
42VANGUARD GROUP INC8,987$118K0.00%Share
43Truvestments Capital LLC8,828$116K0.02%Share
44Versant Capital Management, Inc6,650$87K0.01%Share
45Invesco Ltd.5,283$69K0.00%Share
46Triumph Capital Management4,801$63K0.01%Share
47State of Wyoming3,846$50K0.01%Share
48Invesco Ltd.2,951$38K0.00%Share
49GROUP ONE TRADING LLC2,600$34K0.00%Put
50GAMMA Investing LLC1,839$24K0.00%Share

SPOK Institutional Ownership History

QuarterHoldersTotal ValueChange
Q4 2025132$113.7M+18
Q3 2025114$172.6B+3
Q2 2025111$150.6B-14
Q1 2025125$165.8B+13
Q4 2024112$972.5B+18
Q3 202494$92.9T-6
Q2 2024100$60.9T+9
Q1 202491$67.8T—

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As of Q4 2025, 50 institutional investors hold SPOK (Spok Holdings, Inc.). The largest holder is RENAISSANCE TECHNOLOGIES LLC with $16.0M in shares. This quarter, 15 institutions opened new positions and 1 closed their positions.

Frequently Asked Questions

How many hedge funds own SPOK?

As of Q4 2025, 50 institutional investors report holding SPOK (Spok Holdings, Inc.) in their 13F filings.

Who is the largest institutional holder of SPOK?

The largest institutional holder of SPOK is RENAISSANCE TECHNOLOGIES LLC with $16.0M in shares.

Is institutional ownership of SPOK increasing or decreasing?

This quarter, 15 institutions opened new positions in SPOK and 1 closed their positions.