Vault-13

SPOK HLDGS INC SPOK

COM · Common Stock · CUSIP 84863T106

116 institutional holders +4 vs Q1 2024
10,186,52710.2m shares reported held*
50.3% of all shares outstanding*
$150.9mreported value*
21 new 45 added 31 reduced 20 sold out net sold ≈ $4.2m (-285.9k shares)

* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($20.0k this quarter). Holder counts are more reliable. Shares outstanding: 20.3m as of 2024-07-19, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $14.81. Options: 5 managers hold calls ($639.0k notional), 4 hold puts ($104.2k).

Trends to Q2 2024

Institutional holders

Managers reporting a position, each quarter

050100150Q3 22: 60Q4 22: 79Q1 23: 86Q2 23: 88Q3 23: 98Q4 23: 108Q1 24: 112Q2 24: 116116Q3 22Q1 23Q3 23Q1 24Q2 24
Numbers
QuarterHolders
Q3 202260
Q4 202279
Q1 202386
Q2 202388
Q3 202398
Q4 2023108
Q1 2024112
Q2 2024116

Buyers vs sellers

Managers adding to or starting a position, vs cutting or selling out

Bought or addedCut or sold out
1000100Q4 22: 45 bought or addedQ4 22: 24 cut or sold outQ4 22Q1 23: 50 bought or addedQ1 23: 32 cut or sold outQ2 23: 48 bought or addedQ2 23: 52 cut or sold outQ2 23Q3 23: 54 bought or addedQ3 23: 46 cut or sold outQ4 23: 61 bought or addedQ4 23: 50 cut or sold outQ4 23Q1 24: 54 bought or addedQ1 24: 55 cut or sold outQ2 24: 66 bought or addedQ2 24: 51 cut or sold outQ2 24
Numbers
QuarterBought or addedCut or sold out
Q4 20224524
Q1 20235032
Q2 20234852
Q3 20235446
Q4 20236150
Q1 20245455
Q2 20246651

Calls vs puts

Options held, notional value, last 4 quarters. P/C = puts ÷ calls

CallsPuts
$0$2m$4m$6m$8mQ3 23 calls: $573.1kQ3 23 puts: $6.1mQ3 23P/C 10.66Q4 23 calls: $976.5kQ4 23 puts: $872.9kQ4 23P/C 0.89Q1 24 calls: $1.0mQ1 24 puts: $830.5kQ1 24P/C 0.80Q2 24 calls: $639.0kQ2 24 puts: $104.2kQ2 24P/C 0.16
Numbers
QuarterCallsPutsP/C
Q3 2023$573.1k$6.1m10.66
Q4 2023$976.5k$872.9k0.89
Q1 2024$1.0m$830.5k0.80
Q2 2024$639.0k$104.2k0.16

Biggest buyers

ACADIAN ASSET MANAGEMENT LLC Added +119,102+119.1k
HighTower Advisors, LLC Added +97,591+97.6k
North Star Investment Management Corp. New +58,000+58.0k
Uniplan Investment Counsel, Inc. Added +53,728+53.7k
Keebeck Wealth Management New +45,000+45.0k
GSA CAPITAL PARTNERS LLP Added +42,589+42.6k
SEI INVESTMENTS CO New +39,118+39.1k
PANAGORA ASSET MANAGEMENT INC New +35,331+35.3k
Magnetar Financial LLC New +34,608+34.6k
GEODE CAPITAL MANAGEMENT, LLC Added +33,307+33.3k

Biggest sellers

MORGAN STANLEY Reduced -349,872-349.9k
Hillsdale Investment Management Inc. Sold out -235,700-235.7k
Nuveen Asset Management, LLC Reduced -212,070-212.1k
CITADEL ADVISORS LLC Sold out -80,075-80.1k
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main Sold out -54,459-54.5k
SIERRA SUMMIT ADVISORS LLC Sold out -30,328-30.3k
TWO SIGMA ADVISERS, LP Reduced -29,400-29.4k
PRUDENTIAL FINANCIAL INC Reduced -23,200-23.2k
WINTON GROUP Ltd Sold out -23,032-23.0k
Janney Montgomery Scott LLC Sold out -22,936-22.9k

Biggest calls

SUSQUEHANNA INTERNATIONAL GROUP, LLP Reduced $373.2k25.2k shares
CITADEL ADVISORS LLC Reduced $140.7k9.5k shares
GROUP ONE TRADING LLC Added $68.1k4.6k shares
SIMPLEX TRADING, LLC Added $57.0k3.9k shares
CONCOURSE FINANCIAL GROUP SECURITIES, INC. Unchanged $00 shares

Biggest puts

SIMPLEX TRADING, LLC Reduced $42.0k2.9k shares
CITADEL ADVISORS LLC Reduced $34.1k2.3k shares
GROUP ONE TRADING LLC Reduced $28.1k1.9k shares
CONCOURSE FINANCIAL GROUP SECURITIES, INC. Unchanged $00 shares

Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.

Major shareholders (over 5%)

Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.

HolderStakeChangeShares Last filed
RENAISSANCE TECHNOLOGIES LLC 13G · institution new · filed 2025-08-13 5.1% new 1.1m≈ $10.8m 2025-08-13

Fell to 5% or below in the last year: VANGUARD GROUP INC (0.0%, 2026-03-27)

Insider purchases and sales in Q2 2024

Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.

Officers and directors buying vs selling

Number of people, by quarter (10% owners not included)

BuyingSelling
10010Q3 22: 6 buyingQ3 22: 0 sellingQ4 22: 3 buyingQ4 22: 0 sellingQ4 22Q1 23: 3 buyingQ1 23: 0 sellingQ2 23: 1 buyingQ2 23: 0 sellingQ2 23Q3 23: 0 buyingQ3 23: 0 sellingQ4 23: 1 buyingQ4 23: 5 sellingQ4 23Q1 24: 0 buyingQ1 24: 4 sellingQ2 24: 0 buyingQ2 24: 1 sellingQ2 24
Numbers
QuarterBuyingBoughtSellingSoldSold under a plan
Q3 20226$3.9m0——
Q4 20223$557.1k0——
Q1 20233$418.8k0——
Q2 20231$5.0k0——
Q3 20230—0——
Q4 20231$159.6k5$2.9m—
Q1 20240—4$3.8m—
Q2 20240—1$90.4k—
DateInsiderTradeSharesPrice ValueTheir holding
2024-05-10 Byrne Barbara Peterson Director Sold 5,955 $15.18 $90.4k6.0k shares -16%

Their holding: how much the trade added to or took from the insider's holding (direct, or the trust or fund named). The same trade is sometimes reported by more than one insider, such as a fund and the director who represents it; totals count it once. A value is left blank where the reported price is far from the market price (usually a typo).

Holders, Q2 2024

#ManagerLocationShares Value% of their portfolioChangeShares change
1 BlackRock Inc. 0.00% of their portfolio New York, NY 1,426,9131.4m $21.1m $21.1m 0.00% Added +9.4k +9,450
2 VANGUARD GROUP INC 0.00% of their portfolio Valley Forge, PA 1,045,3561.0m $15.5m $15.5m 0.00% Added +19.2k +19,155
3 RENAISSANCE TECHNOLOGIES LLC 0.03% of their portfolio NEW YORK, NY 1,014,7221.0m $15.0m $15.0m 0.03% Added +21.5k +21,500
4 DIMENSIONAL FUND ADVISORS LP 0.00% of their portfolio AUSTIN, TX 708,032708.0k $10.5m $10.5m 0.00% Reduced -6.6k -6,601
5 HighTower Advisors, LLC 0.01% of their portfolio CHICAGO, IL 646,220646.2k $9.6m $9.6m 0.01% Added +97.6k +97,591
6 GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio BOSTON, MA 484,469484.5k $7.2m $7.2m 0.00% Added +33.3k +33,307
7 Foundry Partners, LLC 0.34% of their portfolio MINNEAPOLIS, MN 433,135433.1k $6.4m $6.4m 0.34% Reduced -3.8k -3,835
8 STATE STREET CORP 0.00% of their portfolio BOSTON, MA 403,409403.4k $6.0m $6.0m 0.00% Reduced -2.7k -2,698
9 ACADIAN ASSET MANAGEMENT LLC 0.01% of their portfolio Boston, MA 321,157321.2k $4.8m $4.8m 0.01% Added +119.1k +119,102
10 PRUDENTIAL FINANCIAL INC 0.01% of their portfolio NEWARK, NJ 312,240312.2k $4.6m $4.6m 0.01% Reduced -23.2k -23,200
11 Bank of New York Mellon Corp 0.00% of their portfolio NEW YORK, NY 232,210232.2k $3.4m $3.4m 0.00% Added +2.3k +2,303
12 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 212,067212.1k $3.1m $3.1m 0.00% Reduced -349.9k -349,872
13 Uniplan Investment Counsel, Inc. 0.28% of their portfolio MILWAUKEE, WI 209,825209.8k $3.1m $3.1m 0.28% Added +53.7k +53,728
14 NORTHERN TRUST CORP 0.00% of their portfolio CHICAGO, IL 196,413196.4k $2.9m $2.9m 0.00% Reduced -7.1k -7,083
15 FULLER & THALER ASSET MANAGEMENT, INC. 0.01% of their portfolio SAN MATEO, CA 171,478171.5k $2.5m $2.5m 0.01% Reduced -8.3k -8,270
16 PRELUDE CAPITAL MANAGEMENT, LLC 0.18% of their portfolio NEW YORK, NY 147,885147.9k $2.2m $2.2m 0.18% Unchanged
17 GSA CAPITAL PARTNERS LLP 0.15% of their portfolio LONDON, X0 146,847146.8k $2.2m $2.2m 0.15% Added +42.6k +42,589
18 Truvestments Capital LLC 0.79% of their portfolio SARASOTA, FL 133,040133.0k $2.0m $2.0m 0.79% Added +15.9k +15,922
19 Nuveen Asset Management, LLC 0.00% of their portfolio CHICAGO, IL 128,290128.3k $1.9m $1.9m 0.00% Reduced -212.1k -212,070
20 GOLDMAN SACHS GROUP INC 0.00% of their portfolio NEW YORK, NY 105,982106.0k $1.6m $1.6m 0.00% Added +28.5k +28,510
21 TWO SIGMA ADVISERS, LP 0.00% of their portfolio NEW YORK, NY 102,300102.3k $1.5m $1.5m 0.00% Reduced -29.4k -29,400
22 Allspring Global Investments Holdings, LLC 0.00% of their portfolio CHARLOTTE, NC 83,98684.0k $1.2m $1.2m 0.00% Reduced -4.8k -4,787
23 Trexquant Investment LP 0.02% of their portfolio STAMFORD, CT 77,30777.3k $1.1m $1.1m 0.02% Added +31.8k +31,766
24 OSAIC HOLDINGS, INC. 0.00% of their portfolio SCOTTSDALE, AZ 62,06562.1k $919.0k $919.0k 0.00% Added +6.0k +5,968
25 North Star Investment Management Corp. 0.06% of their portfolio CHICAGO, IL 58,00058.0k $859.0k $859.0k 0.06% New
26 FIRST TRUST ADVISORS LP 0.00% of their portfolio Wheaton, IL 56,88456.9k $842.5k $842.5k 0.00% Added +263 +263
27 Campbell & CO Investment Adviser LLC 0.07% of their portfolio BALTIMORE, MD 53,21153.2k $788.1k $788.1k 0.07% Reduced -8.7k -8,711
28 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio SAN FRANCISCO, CA 52,95553.0k $784.3k $784.3k 0.00% Added +3.8k +3,799
29 Invesco Ltd. 0.00% of their portfolio ATLANTA, GA 52,20052.2k $773.1k $773.1k 0.00% Reduced -1.7k -1,683
30 Connor, Clark & Lunn Investment Management Ltd. 0.00% of their portfolio VANCOUVER, A1 50,57050.6k $748.9k $748.9k 0.00% Added +2.6k +2,605
31 GUGGENHEIM CAPITAL LLC 0.00% of their portfolio CHICAGO, IL 46,60846.6k $690.3k $690.3k 0.00% Added +26.2k +26,227
32 Qube Research & Technologies Ltd 0.00% of their portfolio LONDON, X0 46,36046.4k $686.6k $686.6k 0.00% Added +21.2k +21,225
33 Keebeck Wealth Management 0.10% of their portfolio Chicago, IL 45,00045.0k $666.5k $666.5k 0.10% New
34 LOS ANGELES CAPITAL MANAGEMENT LLC 0.00% of their portfolio LOS ANGELES, CA 44,40044.4k $657.6k $657.6k 0.00% Reduced -4.5k -4,500
35 SEI INVESTMENTS CO 0.00% of their portfolio OAKS, PA 39,11839.1k $579.3k $579.3k 0.00% New
36 Hennion & Walsh Asset Management, Inc. 0.03% of their portfolio Parsippany, NJ 38,62138.6k $572.0k $572.0k 0.03% Added +3.9k +3,883
37 PANAGORA ASSET MANAGEMENT INC 0.00% of their portfolio BOSTON, MA 35,33135.3k $523.3k $523.3k 0.00% New
38 Magnetar Financial LLC 0.01% of their portfolio EVANSTON, IL 34,60834.6k $512.5k $512.5k 0.01% New
39 Y-Intercept (Hong Kong) Ltd 0.03% of their portfolio HONG KONG, K3 33,51033.5k $496.3k $496.3k 0.03% Added +12.6k +12,592
40 STRS OHIO 0.00% of their portfolio COLUMBUS, OH 32,20032.2k $476.9k $476.9k 0.00% Added +2.8k +2,800
41 Koss-Olinger Consulting, LLC 0.04% of their portfolio GAINESVILLE, FL 29,42829.4k $436.0k $436.0k 0.04% New
42 RHUMBLINE ADVISERS 0.00% of their portfolio BOSTON, MA 28,20828.2k $417.7k $417.7k 0.00% Added +3.4k +3,381
43 STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM 0.00% of their portfolio TALLAHASSEE, FL 26,73826.7k $396.0k $396.0k 0.00% New
44 ROYAL BANK OF CANADA 0.00% of their portfolio TORONTO, A6 26,59126.6k $393.0k $393.0k 0.00% Added +6.4k +6,443
45 UBS Group AG 0.00% of their portfolio ZURICH, V8 24,29524.3k $359.8k $359.8k 0.00% Reduced -12.0k -12,037
46 Cambria Investment Management, L.P. 0.02% of their portfolio Manhattan Beach, CA 23,58523.6k $349.3k $349.3k 0.02% Added +6.9k +6,873
47 Sanctuary Advisors, LLC 0.00% of their portfolio INDIANAPOLIS, IN 23,46223.5k $372.1k $372.1k 0.00% First filing
48 SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio BALA CYNWYD, PA 22,38522.4k $331.5k $331.5k 0.00% Added +2.6k +2,588
49 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 20,70920.7k $306.7k $306.7k 0.00% Added +2.8k +2,790
50 AMERICAN CENTURY COMPANIES INC 0.00% of their portfolio KANSAS CITY, MO 20,32120.3k $301.0k $301.0k 0.00% Added +4.5k +4,530
51 LAZARD ASSET MANAGEMENT LLC 0.00% of their portfolio NEW YORK, NY 19,64819.6k $290.0k $290.0k 0.00% Added +8.1k +8,135
52 JANE STREET GROUP, LLC 0.00% of their portfolio NEW YORK, NY 17,55217.6k $259.9k $259.9k 0.00% Added +988 +988
53 BAILARD, INC. 0.01% of their portfolio Foster City, CA 17,31717.3k $256.5k $256.5k 0.01% Added +2.6k +2,592
54 Financial Advocates Investment Management 0.02% of their portfolio OLYMPIA, WA 17,06017.1k $252.7k $252.7k 0.02% Reduced -129 -129
55 Nebula Research & Development LLC 0.04% of their portfolio New York, NY 17,02217.0k $252.1k $252.1k 0.04% New
56 Triumph Capital Management 0.10% of their portfolio DENVER, CO 16,98117.0k $251.5k $251.5k 0.10% New
57 MARTINGALE ASSET MANAGEMENT L P 0.01% of their portfolio BOSTON, MA 16,86716.9k $249.8k $249.8k 0.01% Added +400 +400
58 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 16,79016.8k $248.7k $248.7k 0.00% Added +2.7k +2,656
59 WELLS FARGO & COMPANY/MN 0.00% of their portfolio SAN FRANCISCO, CA 16,40316.4k $242.9k $242.9k 0.00% Added +1.7k +1,734
60 OCCUDO QUANTITATIVE STRATEGIES LP 0.04% of their portfolio FORT LAUDERDALE, FL 16,17716.2k $239.6k $239.6k 0.04% New
61 JOHNSON INVESTMENT COUNSEL INC 0.00% of their portfolio Cincinnati, OH 16,07016.1k $238.0k $238.0k 0.00% Unchanged
62 VOYA INVESTMENT MANAGEMENT LLC 0.00% of their portfolio ATLANTA, GA 15,10615.1k $223.7k $223.7k 0.00% New
63 ExodusPoint Capital Management, LP 0.00% of their portfolio NEW YORK, NY 13,57513.6k $201.0k $201.0k 0.00% New
64 Redhawk Wealth Advisors, Inc. 0.03% of their portfolio MINNEAPOLIS, MN 13,22313.2k $195.8k $195.8k 0.03% New
65 MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio NEW YORK, NY 13,19813.2k $195.5k $195.5k 0.00% New
66 Cambridge Investment Research Advisors, Inc. 0.00% of their portfolio FAIRFIELD, IA 12,66712.7k $188.0k $188.0k 0.00% Reduced -4.7k -4,726
67 CITIGROUP INC 0.00% of their portfolio NEW YORK, NY 12,40412.4k $183.7k $183.7k 0.00% Added +1.3k +1,291
68 PRINCIPAL FINANCIAL GROUP INC 0.00% of their portfolio DES MOINES, IA 11,64011.6k $172.4k $172.4k 0.00% Added +959 +959
69 Grantham, Mayo, Van Otterloo & Co. LLC 0.00% of their portfolio Boston, MA 10,87810.9k $161.1k $161.1k 0.00% Unchanged
70 VIRTUS ADVISERS, LLC 0.08% of their portfolio HARTFORD, CT 10,80810.8k $160.1k $160.1k 0.08% Reduced -1.4k -1,391
71 TWO SIGMA INVESTMENTS, LP 0.00% of their portfolio NEW YORK, NY 10,36310.4k $153.5k $153.5k 0.00% Reduced -7.9k -7,924
72 FMR LLC 0.00% of their portfolio BOSTON, MA 10,34910.3k $153.3k $153.3k 0.00% Added +881 +881
73 MetLife Investment Management, LLC 0.00% of their portfolio Whippany, NJ 10,33310.3k $153.0k $153.0k 0.00% Added +970 +970
74 Centiva Capital, LP 0.01% of their portfolio New York, NY 10,26510.3k $152.0k $152.0k 0.01% Reduced -1.1k -1,105
75 Corebridge Financial, Inc. 0.00% of their portfolio HOUSTON, TX 9,8429.8k $145.8k $145.8k 0.00% First filing
76 MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% of their portfolio CAUSEWAY BAY, K3 9,7629.8k $144.6k $144.6k 0.00% First filing
77 Gladius Capital Management LP 0.11% of their portfolio PARK CITY, UT 7,5357.5k $111.6k $111.6k 0.11% New
78 NEW YORK STATE COMMON RETIREMENT FUND 0.00% of their portfolio ALBANY, NY 7,4507.5k $110.3k $110.3k 0.00% Added +7 +7
79 BARCLAYS PLC 0.00% of their portfolio LONDON, X0 6,4416.4k $95.4k $95.4k 0.00% Reduced -6.0k -6,031
80 DEUTSCHE BANK AG\ 0.00% of their portfolio FRANKFURT AM MAIN, 2M 5,2465.2k $77.7k $77.7k 0.00% Reduced -4.2k -4,227
81 Tower Research Capital LLC (TRC) 0.00% of their portfolio NEW YORK, NY 3,6833.7k $56.8k $56.8k 0.00% Added +3.0k +3,016
82 Legal & General Group Plc 0.00% of their portfolio London, X0 3,5153.5k $52.1k $52.1k 0.00% Added +2.1k +2,089
83 BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio PARIS, I0 3,2283.2k $47.8k $47.8k 0.00% Reduced -5.3k -5,349
84 State of Wyoming 0.01% of their portfolio CHEYENNE, WY 2,8062.8k $41.6k $41.6k 0.01% Added +188 +188
85 EntryPoint Capital, LLC 0.02% of their portfolio NEW YORK, NY 2,6562.7k $39.3k $39.3k 0.02% New
86 Covestor Ltd 0.02% of their portfolio LONDON, X0 2,0682.1k $31.0k $31.0k 0.02% Reduced -148 -148
87 Ameritas Investment Partners, Inc. 0.00% of their portfolio LINCOLN, NE 1,4681.5k $21.7k $21.7k 0.00% Unchanged
88 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio WEST SACRAMENTO, CA 1,3251.3k $19.6k $19.6k 0.00% Reduced -462 -462
89 CANADA LIFE ASSURANCE Co 0.00% of their portfolio WINNIPEG, A2 1,3141.3k $19.0k $19.0k 0.00% Reduced -6.1k -6,089
90 McIlrath & Eck, LLC 0.00% of their portfolio ARLINGTON, WA 1,0321.0k $15.3k $15.3k 0.00% Unchanged
91 GROUP ONE TRADING LLC 0.00% of their portfolio CHICAGO, IL 865865 $12.8k $12.8k 0.00% Reduced -1.1k -1,065
92 AMALGAMATED BANK 0.00% of their portfolio NEW YORK, NY 600600 $9.0k $9.0k 0.00% Unchanged
93 Bank of New Hampshire 0.00% of their portfolio LACONIA, NH 570570 $8.4k $8.4k 0.00% Unchanged
94 Russell Investments Group, Ltd. 0.00% of their portfolio Seattle, WA 524524 $7.8k $7.8k 0.00% Reduced -85 -85
95 CWM, LLC 0.00% of their portfolio OMAHA, NE 390390 $6.0k $6.0k 0.00% Added +84 +84
96 MACROVIEW INVESTMENT MANAGEMENT LLC 0.01% of their portfolio BETHESDA, MD 346346 $5.1k $5.1k 0.01% Added +14 +14
97 Gen-Wealth Partners Inc 0.00% of their portfolio ZEELAND, MI 270270 $4.0k $4.0k 0.00% Unchanged
98 Parallel Advisors, LLC 0.00% of their portfolio SAN FRANCISCO, CA 267267 $4.0k $4.0k 0.00% Reduced -147 -147
99 SIGNATUREFD, LLC 0.00% of their portfolio ATLANTA, GA 198198 $2.9k $2.9k 0.00% Reduced -355 -355
100 WealthCollab, LLC 0.00% of their portfolio BELLEVUE, WA 185185 $3.0k $3.0k 0.00% Unchanged