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Disclosery

SPOK SPOK HLDGS INC

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Stock (common), issuer CIK 1289945

125 managers (126 13F filers) reported a position in SPOK shares at 2025-03-31, 10,555,880 shares in all. 22 filers opened a position and 13 filers sold out during the quarter.

Managers
125
13F filers
126
New
22
Added
41
Reduced
39
Sold out
13
Shares held by filers
10,555,880

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q1 2025

Filers in the available 13F reports with a share position at 2025-03-31, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
BlackRock, Inc.in group BlackRock, Inc.1,542,396$25.4M<0.01%+160,27713F-HRTimelineGroup
VANGUARD GROUP INCin group VANGUARD GROUP INC1,020,311$16.8M<0.01%-27,85013F-HRTimelineGroup
RENAISSANCE TECHNOLOGIES LLC1,019,450$16.8M0.03%+43,80013F-HRTimeline
DIMENSIONAL FUND ADVISORS LPin group DIMENSIONAL FUND ADVISORS LP699,563$11.5M<0.01%-8,28513F-HRTimelineGroup
HighTower Advisors, LLC522,651$8.59M0.01%-144,06213F-HRTimeline
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC521,571$8.57M<0.01%+130,47813F-HR/ATimelineGroup
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC488,370$8.03M<0.01%-26,05713F-HRTimelineGroup
STATE STREET CORPin group STATE STREET CORP437,280$7.19M<0.01%-1,31413F-HRTimelineGroup
ACADIAN ASSET MANAGEMENT LLCin group ACADIAN ASSET MANAGEMENT LLC376,932$6.2M0.02%+7,30113F-HRTimelineGroup
Foundry Partners, LLC359,925$5.92M0.31%-2,11513F-HRTimeline
NORTHERN TRUST CORPin group NORTHERN TRUST CORP216,782$3.56M<0.01%+9,71413F-HRTimelineGroup
Uniplan Investment Counsel, Inc.205,332$3.38M0.33%+1,74513F-HRTimeline
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO199,062$3.27M<0.01%-14,51313F-HRTimelineGroup
Bank of New York Mellon Corpin group Bank of New York Mellon Corp190,118$3.13M<0.01%-9,87113F-HRTimelineGroup
MORGAN STANLEYin group MORGAN STANLEY168,516$2.77M<0.01%+10,11613F-HRTimelineGroup
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC154,320$2.54M<0.01%+123,50813F-HRTimelineGroup
PRELUDE CAPITAL MANAGEMENT, LLC152,885$2.51M0.25%+3,80013F-HRTimeline
Trexquant Investment LP143,346$2.36M0.03%+36,87913F-HRTimeline
Connor, Clark & Lunn Investment Managem…140,562$2.31M0.01%+35,32113F-HRTimeline
TWO SIGMA INVESTMENTS, LPgroup of 2 filers holding130,130$2.14M+97,330Timeline
Qube Research & Technologies Ltd125,088$2.06M<0.01%+53,20813F-HRTimeline
North Star Investment Management Corp.122,000$2.01M0.15%013F-HRTimeline
Allspring Global Investments Holdings, …in group Allspring Global Investments …103,107$1.7M<0.01%-7,89013F-HRTimelineGroup
JACOBS LEVY EQUITY MANAGEMENT, INC93,576$1.54M0.01%+15,48413F-HRTimeline
PRUDENTIAL FINANCIAL INCin group PRUDENTIAL FINANCIAL INC84,060$1.38M<0.01%-29,98013F-HRTimelineGroup
Nuveen, LLCin group TIAA81,345$1.34M<0.01%13F-HRTimelineGroup
CHARLES SCHWAB INVESTMENT MANAGEMENT INCin group Charles Schwab Trust Co55,314$909K<0.01%+1,96613F-HR/ATimelineGroup
Hennion & Walsh Asset Management, Inc.54,061$889K0.04%+3,84013F-HRTimeline
MARSHALL WACE, LLPin group MARSHALL WACE, LLP53,257$876K<0.01%new13F-HRTimelineGroup
Keebeck Wealth Management50,000$822K0.12%013F-HRTimeline
Inspire Investing, LLCin group Inspire Investing, LLC48,600$799K0.09%-1,31413F-HRTimelineGroup
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC48,503$797K<0.01%-4,42613F-HRTimelineGroup
Invesco Ltd.in group Invesco Ltd.38,094$626K<0.01%-2,02213F-HRTimelineGroup
Cubist Systematic Strategies, LLC36,604$602K0.01%new13F-HRTimeline
AMERICAN CENTURY COMPANIES INCin group AMERICAN CENTURY COMPANIES INC34,097$561K<0.01%+4,17013F-HRTimelineGroup
PANAGORA ASSET MANAGEMENT INC33,863$557K<0.01%new13F-HRTimeline
STATE BOARD OF ADMINISTRATION OF FLORID…33,473$550K<0.01%-11,14513F-HRTimeline
RHUMBLINE ADVISERS33,032$543K<0.01%-1,82213F-HR/ATimeline
UBS Group AGin group UBS Group AG30,836$507K<0.01%-13,32813F-HRTimelineGroup
AMERIPRISE FINANCIAL INCin group AMERIPRISE FINANCIAL INC30,779$506K<0.01%013F-HRTimelineGroup
JANE STREET GROUP, LLCin group JANE STREET GROUP, LLC28,394$467K<0.01%new13F-HR/ATimelineGroup
LOS ANGELES CAPITAL MANAGEMENT LLC28,350$466K<0.01%-4,15013F-HRTimeline
Man Group plcin group Man Group plc27,244$448K<0.01%new13F-HRTimelineGroup
Engineers Gate Manager LP26,906$442K0.01%-3,63413F-HRTimeline
SUSQUEHANNA INTERNATIONAL GROUP, LLPin group SUSQUEHANNA INTERNATIONAL GRO…25,673$422K<0.01%+11,42813F-HRTimelineGroup
GSA CAPITAL PARTNERS LLP25,677$422K0.04%-11,05913F-HRTimeline
BARCLAYS PLCin group BARCLAYS PLC23,776$391K<0.01%-3,73713F-HR/ATimelineGroup
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA23,675$389K<0.01%-1,35513F-HR/ATimelineGroup
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN23,407$385K<0.01%+3,97513F-HRTimelineGroup
STIFEL FINANCIAL CORPin group STIFEL FINANCIAL CORP22,993$378K<0.01%+4,20213F-HRTimelineGroup
Significant Wealth Partners LLC22,167$364K0.19%+3,76813F-HRTimeline
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/21,116$347K<0.01%-5,86213F-HRTimelineGroup
Truvestments Capital LLC20,471$337K0.07%-109,06113F-HRTimeline
MARTINGALE ASSET MANAGEMENT L P19,516$321K0.01%+20613F-HRTimeline
FMR LLCin group FMR LLC19,343$318K<0.01%-94713F-HRTimelineGroup
DEUTSCHE BANK AG\in group DEUTSCHE BANK AG\17,429$287K<0.01%-2,64613F-HRTimelineGroup
OCCUDO QUANTITATIVE STRATEGIES LP17,513$287K0.04%new13F-HRTimeline
AQR CAPITAL MANAGEMENT LLCin group AQR CAPITAL MANAGEMENT LLC16,464$271K<0.01%new13F-HRTimelineGroup
Financial Advocates Investment Manageme…16,349$269K0.02%-66213F-HRTimeline
Jump Financial, LLCin group Jump Financial, LLC16,144$265K<0.01%new13F-HR/ATimelineGroup
CITIGROUP INCin group CITIGROUP INC13,764$226K<0.01%-6,28113F-HRTimelineGroup
FRANKLIN RESOURCES INCin group Franklin Resources13,464$221K<0.01%new13F-HRTimelineGroup
AlphaQuest LLC12,737$209K0.02%+6,57013F-HRTimeline
Grantham, Mayo, Van Otterloo & Co. LLC12,307$202K<0.01%+1,42913F-HRTimeline
Cerity Partners LLCin group Cerity Partners LLC11,940$196K<0.01%+55513F-HRTimelineGroup
DekaBank Deutsche Girozentrale11,442$183K<0.01%new13F-HRTimeline
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.in group Mirae Asset Global Investment…10,970$180K<0.01%+46813F-HRTimelineGroup
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF O…10,673$175K<0.01%-1,53013F-HRTimeline
New Age Alpha Advisors, LLC10,623$175K0.01%+8,48013F-HRTimeline
MetLife Investment Management, LLCin group MetLife Investment Management…10,333$170K<0.01%013F-HRTimelineGroup
EntryPoint Capital, LLC10,322$170K0.08%new13F-HRTimeline
Cambridge Investment Research Advisors,…10,297$169K<0.01%-1013F-HRTimeline
ALLIANCEBERNSTEIN L.P.10,060$165K<0.01%new13F-HRTimeline
Virtus Investment Advisers, LLCgroup of 2 filers holding9,392$154K-2,251Timeline
Corebridge Financial, Inc.in group Corebridge Financial, Inc.8,961$147K<0.01%-13313F-HRTimelineGroup
NEW YORK STATE COMMON RETIREMENT FUND7,450$122K<0.01%013F-HR/ATimeline
State of Wyoming6,501$107K0.01%new13F-HRTimeline
SG Americas Securities, LLC6,429$106K<0.01%-1,59213F-HRTimeline
Legal & General Group Plcin group Legal & General Group Plc5,546$91.2K<0.01%013F-HRTimelineGroup
Police & Firemen's Retirement System of…4,304$70.8K<0.01%013F-HRTimeline
NISA INVESTMENT ADVISORS, LLC3,790$62.3K<0.01%+3,75913F-HRTimeline
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.3,530$58K<0.01%-51713F-HRTimelineGroup
US BANCORP \DE\in group US BANCORP \DE\2,790$45.9K<0.01%+2,50013F-HRTimelineGroup
SBI Securities Co., Ltd.2,200$36.2K<0.01%+84413F-HRTimeline
Larson Financial Group LLC2,000$32.9K<0.01%+25013F-HRTimeline
Russell Investments Group, Ltd.in group Russell Investments Group, Lt…1,866$30.7K<0.01%+74113F-HRTimelineGroup
CWM, LLCin group CWM, LLC1,743$29K<0.01%+1,31713F-HRTimelineGroup
HAGER INVESTMENT MANAGEMENT SERVICES, L…1,498$24.6K0.02%013F-HRTimeline
Ameritas Investment Partners, Inc.in group Ameritas Investment Partners,…1,468$24.1K<0.01%013F-HRTimelineGroup
McIlrath & Eck, LLC1,451$23.9K<0.01%013F-HRTimeline
CALIFORNIA STATE TEACHERS RETIREMENT SY…1,325$21.8K<0.01%013F-HRTimeline
CANADA LIFE ASSURANCE Coin group CANADA LIFE ASSURANCE Co1,226$20K<0.01%+15513F-HRTimelineGroup
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS1,094$18K<0.01%-1,46713F-HRTimelineGroup
Mechanics Financial Corp813$13.4K0.01%new13F-HRTimeline
Darwin Wealth Management, LLC792$12.7K<0.01%013F-HRTimeline
Parallel Advisors, LLC730$12K<0.01%+37013F-HRTimeline
LAZARD ASSET MANAGEMENT LLCin group LAZARD ASSET MANAGEMENT LLC777$12K<0.01%-5,09113F-HRTimelineGroup
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…661$10.9K<0.01%-72313F-HRTimelineGroup
AMALGAMATED BANK600$10K<0.01%013F-HRTimeline
GAMMA Investing LLC600$9.86K<0.01%+20213F-HR/ATimeline
MEEDER ASSET MANAGEMENT INCin group Meeder Advisory Services, Inc.595$9.78K<0.01%013F-HRTimelineGroup
Bank of New Hampshire570$9.37K<0.01%013F-HRTimeline
JONES FINANCIAL COMPANIES LLLPin group JONES FINANCIAL COMPANIES LLLP532$8.7K<0.01%+21913F-HR/ATimelineGroup
QUADRANT CAPITAL GROUP LLC522$8.58K<0.01%+50113F-HRTimeline
Point72 Asia (Singapore) Pte. Ltd.470$7.73K<0.01%new13F-HRTimeline
HARBOUR INVESTMENTS, INC.455$7.48K<0.01%013F-HRTimeline
Covestor Ltd428$7K<0.01%-1,06213F-HRTimeline
SIGNATUREFD, LLC323$5.31K<0.01%-37613F-HRTimeline
Sterling Capital Management LLC316$5.2K<0.01%-27113F-HRTimeline
Gen-Wealth Partners Inc270$4.44K<0.01%013F-HRTimeline
Point72 (DIFC) Ltd204$3.35K<0.01%new13F-HRTimeline
Geneos Wealth Management Inc.200$3.29K<0.01%new13F-HRTimeline
Farther Finance Advisors, LLC174$2.89K<0.01%+213F-HRTimeline
PNC Financial Services Group, Inc.in group PNC Financial Services Group,…101$1.66K<0.01%+8913F-HRTimelineGroup
Steward Partners Investment Advisory, L…100$1.64K<0.01%013F-HRTimeline
COLDSTREAM CAPITAL MANAGEMENT INC89$1.46K<0.01%new13F-HRTimeline
Arax Advisory Partners72$1.18K<0.01%new13F-HRTimeline
Capital Advisors, Ltd. LLC65$1K<0.01%013F-HRTimeline
ROTHSCHILD INVESTMENT LLC40$658<0.01%+1513F-HRTimeline
Private Wealth Management Group, LLC34$559<0.01%013F-HRTimeline
KAYNE ANDERSON RUDNICK INVESTMENT MANAG…30$493<0.01%013F-HRTimeline
CoreCap Advisors, LLC15$247<0.01%new13F-HRTimeline
EverSource Wealth Advisors, LLCin group EverSource Wealth Advisors, L…8$132<0.01%-2213F-HRTimelineGroup
IFP Advisors, Inc0$33<0.01%013F-HRTimelineAmount filed as zero, left out of ratios.
CONCOURSE FINANCIAL GROUP SECURITIES, I…0$0013F-HRTimelineValue filed as zero, left out of ratios. Amount filed as zero, left out of ratios.