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Spok Holdings, Inc

SPOK
Exchange
Nasdaq
Industry
Radiotelephone Communications
SEC CIK
0001289945

In the last 90 days, Spok Holdings, Inc insiders filed 0 open-market purchases and 2 sales; 132 institutions reported holding it in 13F filings for Q2 2026, worth $110.9M in total; no superinvestor holds it.

13F holders, Q3 2025

Institutional positions in Spok Holdings, Inc as of Sep 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
143
+13 vs. Q2 2025
Shares held
11.5M
+466.2K (+4.2%) vs. Q2 2025
Total value
$197.7M
+$3.32M (+1.7%) vs. Q2 2025
New holders
25
55 more added
Sold out
12
37 more reduced

Compare with Q2 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting SPOK on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ3 2025: 143 institutions
Q1 2021: 102 institutionsQ2 2021: 103 institutionsQ3 2021: 87 institutionsQ4 2021: 71 institutionsQ1 2022: 62 institutionsQ2 2022: 62 institutionsQ3 2022: 60 institutionsQ4 2022: 78 institutionsQ1 2023: 85 institutionsQ2 2023: 87 institutionsQ3 2023: 97 institutionsQ4 2023: 107 institutionsQ1 2024: 111 institutionsQ2 2024: 114 institutionsQ3 2024: 109 institutionsQ4 2024: 116 institutionsQ1 2025: 125 institutionsQ2 2025: 130 institutionsQ3 2025: 143 institutionsQ4 2025: 134 institutionsQ1 2026: 139 institutionsQ2 2026: 132 institutions
Value heldQ3 2025: $197.7M
Q1 2021: $145.9MQ2 2021: $130.0MQ3 2021: $119.8MQ4 2021: $107.6MQ1 2022: $89.4MQ2 2022: $61.6MQ3 2022: $68.2MQ4 2022: $82.6MQ1 2023: $98.1MQ2 2023: $135.4MQ3 2023: $143.1MQ4 2023: $158.2MQ1 2024: $160.3MQ2 2024: $150.8MQ3 2024: $152.0MQ4 2024: $162.1MQ1 2025: $173.5MQ2 2025: $194.4MQ3 2025: $197.7MQ4 2025: $146.0MQ1 2026: $114.4MQ2 2026: $110.9M
Institutions holding SPOK and their total value by quarter
QuarterHoldersValue
Q2 2026132$110.9M
Q1 2026139$114.4M
Q4 2025134$146.0M
Q3 2025143$197.7M
Q2 2025130$194.4M
Q1 2025125$173.5M
Q4 2024116$162.1M
Q3 2024109$152.0M
Q2 2024114$150.8M
Q1 2024111$160.3M
Q4 2023107$158.2M
Q3 202397$143.1M
Q2 202387$135.4M
Q1 202385$98.1M
Q4 202278$82.6M
Q3 202260$68.2M
Q2 202262$61.6M
Q1 202262$89.4M
Q4 202171$107.6M
Q3 202187$119.8M
Q2 2021103$130.0M
Q1 2021102$145.9M

Institutions, Q3 2025

Shares, value and share of portfolio for each institution holding Spok Holdings, Inc; share changes are against Q2 2025.

Institutions holding SPOK in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Hager Investment Management Services, LLC1,998$34.5K0.02%+500+33.4%Added
Parallel Advisors, LLC1,796$31.0K0.00%+1,353+305.4%Added
Signaturefd, LLC1,605$27.7K0.00%+184+12.9%Added
Great West Life Assurance Co1,452$25.0K0.00%−5−0.3%Reduced
Sterling Capital Management LLC1,406$24.3K0.00%+856+155.6%Added
Quadrant Capital Group LLC1,296$22.4K0.00%+1,296New
California State Teachers Retirement System1,269$21.9K0.00%+1,269New
RMG Wealth Management LLC1,304$21.0K0.00%00.0%Unchanged
Royal Bank of Canada1,096$19.0K0.00%−20,898−95.0%Reduced
Tower Research Capital LLC (TRC)1,095$18.9K0.00%−1,679−60.5%Reduced
SRS Capital Advisors, Inc.991$17.1K0.00%+864+680.3%Added
Mechanics Financial Corp813$14.0K0.01%00.0%Unchanged
State of Alaska, Department of Revenue653$11.0K0.00%+653New
GAMMA Investing LLC632$10.9K0.00%+213+50.8%Added
Amalgamated Bank600$10.0K0.00%00.0%Unchanged
Bank of New Hampshire570$9.83K0.00%00.0%Unchanged
Jones Financial Companies LLLP483$8.42K0.00%−32−6.2%Reduced
Covestor Ltd458$8.00K0.00%−234−33.8%Reduced
Simplex Trading, LLC488$8.00K0.00%+488New
Harbour Investments, Inc.455$7.85K0.00%00.0%Unchanged
GWM Advisors LLC449$7.75K0.00%+449New
The PNC Financial Services Group, Inc.386$6.66K0.00%00.0%Unchanged
Farther Finance Advisors, LLC296$5.11K0.00%+209+240.2%Added
Optiver Holding B.V.266$4.59K0.00%+266New
Point72 Asia (Singapore) Pte. Ltd.255$4.40K0.00%+255New
Clearstead Advisors, LLC249$4.30K0.00%+233+1,456.3%Added
IFP Advisors, Inc217$3.74K0.00%+48+28.4%Added
Geneos Wealth Management Inc.200$3.45K0.00%00.0%Unchanged
Allworth Financial LP193$3.33K0.00%+23+13.5%Added
EverSource Wealth Advisors, LLC133$2.29K0.00%−261−66.2%Reduced
Steward Partners Investment Advisory, LLC100$1.73K0.00%00.0%Unchanged
Essential Partners LLC75$1.29K0.00%+32+74.4%Added
TD Waterhouse Canada Inc.68$1.13K0.00%00.0%Unchanged
Capital Advisors, Ltd. LLC65$1.00K0.00%00.0%Unchanged
JPL Wealth Management, LLC55$9490.00%+55New
Nisa Investment Advisors, LLC46$7940.00%00.0%Unchanged
Rothschild Investment LLC40$6900.00%00.0%Unchanged
Point72 (DIFC) Ltd35$6010.00%+35New
Private Wealth Management Group, LLC34$5870.00%00.0%Unchanged
Kayne Anderson Rudnick Investment Management LLC30$5180.00%00.0%Unchanged
US Bancorp29$5010.00%−2,510−98.9%Reduced
Fifth Third Bancorp16$2760.00%−9−36.0%Reduced
Massmutual Trust Co FSB16$2760.00%00.0%Unchanged
Prelude Capital Management, LLC0$00.00%−148,185−100.0%Sold out
Susquehanna International Group, LLP0$00.00%−27,103−100.0%Sold out
Segall Bryant & Hamill, LLC0$00.00%−25,806−100.0%Sold out
UBS Asset Management Americas Inc0$00.00%−22,229−100.0%Sold out
Magnetar Financial LLC0$00.00%−18,480−100.0%Sold out
Financial Advocates Investment Management0$00.00%−15,867−100.0%Sold out
Winton Group Ltd0$00.00%−14,213−100.0%Sold out
Intech Investment Management LLC0$00.00%−12,516−100.0%Sold out
Caption Management, LLC0$00.00%−2,532−100.0%Sold out
Meeder Asset Management Inc0$00.00%−595−100.0%Sold out
Skopos Labs, Inc.0$00.00%−74−100.0%Sold out
Comerica Bank0$00.00%−2−100.0%Sold out