Vault-13

SPOK HLDGS INC SPOK

COM · Common Stock · CUSIP 84863T106

79 institutional holders +19 vs Q3 2022
10,093,34410.1m shares reported held*
51.2% of all shares outstanding*
$82.6mreported value*
22 new 23 added 18 reduced 6 sold out net bought ≈ $9.2m (+1.1m 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. Holder counts are more reliable. Shares outstanding: 19.7m as of 2022-10-21, 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 ≈ $8.19. Options: 4 managers hold calls ($339.1k notional), 6 hold puts ($1.1m).

Trends to Q4 2022

Institutional holders

Managers reporting a position, each quarter

050100Q3 22: 60Q4 22: 7979Q3 22Q4 22
Numbers
QuarterHolders
Q3 202260
Q4 202279

Calls vs puts

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

CallsPuts
$0$2m$4m$6mQ3 22 calls: $4.6mQ3 22 puts: $744.0kQ3 22P/C 0.16Q4 22 calls: $339.1kQ4 22 puts: $1.1mQ4 22P/C 3.19
Numbers
QuarterCallsPutsP/C
Q3 2022$4.6m$744.0k0.16
Q4 2022$339.1k$1.1m3.19

Biggest buyers

Penn Mutual Asset Management New +401,260+401.3k
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP Added +327,780+327.8k
TWO SIGMA INVESTMENTS, LP Added +161,487+161.5k
RENAISSANCE TECHNOLOGIES LLC Added +159,892+159.9k
HighTower Advisors, LLC Added +155,519+155.5k
JACOBS LEVY EQUITY MANAGEMENT, INC Added +148,268+148.3k
TWO SIGMA ADVISERS, LP Added +126,000+126.0k
MARSHALL WACE, LLP New +72,253+72.3k
SUSQUEHANNA INTERNATIONAL GROUP, LLP New +71,352+71.4k
VANGUARD GROUP INC Added +68,149+68.1k

Biggest sellers

MORGAN STANLEY Reduced -560,455-560.5k
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND Sold out -124,800-124.8k
Bank of New York Mellon Corp Reduced -83,607-83.6k
Prosight Management, LP Sold out -65,000-65.0k
Man Group plc Reduced -57,150-57.1k
DIMENSIONAL FUND ADVISORS LP Reduced -54,104-54.1k
MILLENNIUM MANAGEMENT LLC Reduced -50,424-50.4k
BRIDGEWAY CAPITAL MANAGEMENT, LLC Reduced -41,800-41.8k
Connor, Clark & Lunn Investment Management Ltd. Reduced -35,084-35.1k
BlackRock Inc. Reduced -24,371-24.4k

Biggest calls

PEAK6 Investments LLC Reduced $147.4k18.0k shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP Reduced $141.7k17.3k shares
CITADEL ADVISORS LLC Reduced $50.0k6.1k shares
CONCOURSE FINANCIAL GROUP SECURITIES, INC. Unchanged $00 shares

Biggest puts

SUSQUEHANNA INTERNATIONAL GROUP, LLP Added $819.0k100.0k shares
PEAK6 Investments LLC Reduced $229.3k28.0k shares
GROUP ONE TRADING LLC New $21.3k2.6k shares
SIMPLEX TRADING, LLC New $9.0k1.2k shares
CITADEL ADVISORS LLC Reduced $4.1k500 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 Q4 2022

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
10010Q1 21: 0 buyingQ1 21: 0 sellingQ2 21: 0 buyingQ2 21: 0 sellingQ2 21Q3 21: 0 buyingQ3 21: 0 sellingQ4 21: 0 buyingQ4 21: 0 sellingQ4 21Q1 22: 0 buyingQ1 22: 0 sellingQ2 22: 4 buyingQ2 22: 0 sellingQ2 22Q3 22: 6 buyingQ3 22: 0 sellingQ4 22: 3 buyingQ4 22: 0 sellingQ4 22
Numbers
QuarterBuyingBoughtSellingSoldSold under a plan
Q1 20210—0——
Q2 20210—0——
Q3 20210—0——
Q4 20210—0——
Q1 20220—0——
Q2 20224$753.7k0——
Q3 20226$3.9m0——
Q4 20223$557.1k0——
DateInsiderTradeSharesPrice ValueTheir holding
2022-12-09 Stein Todd J Director · Braeside Investments, LLC Bought 18,933 $8.12 $153.7k18.9k shares +11%
2022-12-08 Stein Todd J Director · Braeside Investments, LLC Bought 6,137 $7.90 $48.5k6.1k shares +4%
2022-12-07 Stein Todd J Director · Braeside Investments, LLC Bought 6,599 $7.86 $51.9k6.6k shares +4%
2022-12-06 Stein Todd J Director · Braeside Investments, LLC Bought 15,869 $7.67 $121.7k15.9k shares +12%
2022-12-06 WALLACE MICHAEL W Chief Operating Officer Bought 2,000 $7.76 $15.5k2.0k shares +3%
2022-12-05 Stein Todd J Director · Braeside Investments, LLC Bought 10,958 $7.86 $86.1k11.0k shares +9%
2022-12-05 Stein Todd J Director · Braeside Capital, L.P. Bought 1,565 $7.86 $12.3k1.6k shares +<1%
2022-12-02 Stein Todd J Director · Braeside Capital, L.P. Bought 3,296 $7.93 $26.1k3.3k shares +<1%
2022-11-17 KELLY VINCENT D President & CEO, director · Vincent DePaul Kelly, Trustee of the Vincent DePaul Kelly Fifth Amended and Restated Revocable Trust Bought 5,000 $8.25 $41.2k5.0k shares +2%

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, Q4 2022

#ManagerLocationShares Value% of their portfolioChangeShares change
1 RENAISSANCE TECHNOLOGIES LLC 0.01% of their portfolio NEW YORK, NY 1,291,9221.3m $10.6m $10.6m 0.01% Added +159.9k +159,892
2 DIMENSIONAL FUND ADVISORS LP 0.00% of their portfolio AUSTIN, TX 1,061,4401.1m $8.7m $8.7m 0.00% Reduced -54.1k -54,104
3 VANGUARD GROUP INC 0.00% of their portfolio Valley Forge, PA 834,161834.2k $6.8m $6.8m 0.00% Added +68.1k +68,149
4 Man Group plc 0.02% of their portfolio LONDON, X0 666,775666.8k $5.5m $5.5m 0.02% Reduced -57.1k -57,150
5 Foundry Partners, LLC 0.24% of their portfolio MINNEAPOLIS, MN 520,865520.9k $4.3m $4.3m 0.24% Reduced -375 -375
6 BlackRock Inc. 0.00% of their portfolio New York, NY 454,760454.8k $3.7m $3.7m 0.00% Reduced -24.4k -24,371
7 ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 0.00% of their portfolio BOSTON, MA 417,824417.8k $3.4m $3.4m 0.00% Added +327.8k +327,780
8 Penn Mutual Asset Management 3.67% of their portfolio Conshohocken, PA 401,260401.3k $3.3m $3.3m 3.67% New
9 TWO SIGMA INVESTMENTS, LP 0.01% of their portfolio NEW YORK, NY 355,369355.4k $2.9m $2.9m 0.01% Added +161.5k +161,487
10 TWO SIGMA ADVISERS, LP 0.01% of their portfolio NEW YORK, NY 333,800333.8k $2.7m $2.7m 0.01% Added +126.0k +126,000
11 JACOBS LEVY EQUITY MANAGEMENT, INC 0.02% of their portfolio FLORHAM PARK, NJ 312,046312.0k $2.6m $2.6m 0.02% Added +148.3k +148,268
12 HighTower Advisors, LLC 0.01% of their portfolio CHICAGO, IL 307,659307.7k $2.5m $2.5m 0.01% Added +155.5k +155,519
13 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 282,789282.8k $2.3m $2.3m 0.00% Reduced -560.5k -560,455
14 FULLER & THALER ASSET MANAGEMENT, INC. 0.01% of their portfolio SAN MATEO, CA 260,218260.2k $2.1m $2.1m 0.01% Added +26.3k +26,343
15 FRANKLIN RESOURCES INC 0.00% of their portfolio San Mateo, CA 202,951203.0k $1.7m $1.7m 0.00% Unchanged
16 GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio BOSTON, MA 186,467186.5k $1.5m $1.5m 0.00% Added +1.9k +1,892
17 PRELUDE CAPITAL MANAGEMENT, LLC 0.09% of their portfolio NEW YORK, NY 184,740184.7k $1.5m $1.5m 0.09% Added +58.5k +58,496
18 MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio NEW YORK, NY 162,665162.7k $1.3m $1.3m 0.00% Reduced -50.4k -50,424
19 KENNEDY CAPITAL MANAGEMENT LLC 0.03% of their portfolio ST LOUIS, MO 116,775116.8k $956.4k $956.4k 0.03% Reduced -17 -17
20 Bank of New York Mellon Corp 0.00% of their portfolio NEW YORK, NY 113,381113.4k $928.6k $928.6k 0.00% Reduced -83.6k -83,607
21 BRIDGEWAY CAPITAL MANAGEMENT, LLC 0.02% of their portfolio HOUSTON, TX 96,11696.1k $787.2k $787.2k 0.02% Reduced -41.8k -41,800
22 Granite Point Capital Management, L.P. 0.74% of their portfolio Boston, MA 75,00075.0k $614.2k $614.2k 0.74% Unchanged
23 MARSHALL WACE, LLP 0.00% of their portfolio LONDON, X0 72,25372.3k $591.8k $591.8k 0.00% New
24 SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio BALA CYNWYD, PA 71,35271.4k $584.4k $584.4k 0.00% New
25 NORTHERN TRUST CORP 0.00% of their portfolio CHICAGO, IL 71,27971.3k $583.8k $583.8k 0.00% Added +1.3k +1,340
26 Trexquant Investment LP 0.02% of their portfolio STAMFORD, CT 65,25765.3k $534.5k $534.5k 0.02% New
27 STATE STREET CORP 0.00% of their portfolio BOSTON, MA 64,75464.8k $530.3k $530.3k 0.00% Added +5.7k +5,700
28 GOLDMAN SACHS GROUP INC 0.00% of their portfolio NEW YORK, NY 54,41154.4k $445.6k $445.6k 0.00% Reduced -5.0k -5,020
29 Tidal Investments LLC 0.02% of their portfolio Milwaukee, WI 53,23853.2k $436.0k $436.0k 0.02% Reduced -18.3k -18,322
30 GSA CAPITAL PARTNERS LLP 0.05% of their portfolio LONDON, X0 53,06153.1k $435.0k $435.0k 0.05% New
31 Grantham, Mayo, Van Otterloo & Co. LLC 0.00% of their portfolio Boston, MA 50,27850.3k $411.8k $411.8k 0.00% Reduced -6.9k -6,900
32 Formidable Asset Management, LLC 0.09% of their portfolio CINCINNATI, OH 48,98249.0k $401.0k $401.0k 0.09% Reduced -22.6k -22,578
33 Engineers Gate Manager LP 0.02% of their portfolio NEW YORK, NY 47,26647.3k $387.1k $387.1k 0.02% Added +24.3k +24,315
34 Invesco Ltd. 0.00% of their portfolio ATLANTA, GA 46,96147.0k $384.6k $384.6k 0.00% Reduced -240 -240
35 PCG Wealth Advisors, LLC 0.24% of their portfolio OVERLAND PARK, KS 45,90045.9k $375.9k $375.9k 0.24% New
36 CITADEL ADVISORS LLC 0.00% of their portfolio MIAMI, FL 40,34540.3k $330.4k $330.4k 0.00% Added +21.2k +21,159
37 BLAIR WILLIAM & CO/IL 0.00% of their portfolio CHICAGO, IL 38,37838.4k $314.3k $314.3k 0.00% Reduced -1.5k -1,500
38 BARCLAYS PLC 0.00% of their portfolio LONDON, X0 37,75337.8k $309.2k $309.2k 0.00% First filing
39 Allspring Global Investments Holdings, LLC 0.00% of their portfolio CHARLOTTE, NC 36,30036.3k $297.3k $297.3k 0.00% Unchanged
40 Cubist Systematic Strategies, LLC 0.00% of their portfolio STAMFORD, CT 35,04735.0k $287.0k $287.0k 0.00% New
41 Nuveen Asset Management, LLC 0.00% of their portfolio CHICAGO, IL 34,28734.3k $281.0k $281.0k 0.00% New
42 Connor, Clark & Lunn Investment Management Ltd. 0.00% of their portfolio VANCOUVER, A1 32,47132.5k $265.9k $265.9k 0.00% Reduced -35.1k -35,084
43 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 30,47030.5k $249.5k $249.5k 0.00% Added +18 +18
44 Jump Financial, LLC 0.01% of their portfolio Chicago, IL 27,97828.0k $229.1k $229.1k 0.01% Added +13.3k +13,278
45 BAILARD, INC. 0.01% of their portfolio Foster City, CA 27,07927.1k $221.8k $221.8k 0.01% New
46 OCCUDO QUANTITATIVE STRATEGIES LP 0.03% of their portfolio FORT LAUDERDALE, FL 27,02427.0k $221.3k $221.3k 0.03% New
47 AE Wealth Management LLC 0.00% of their portfolio TOPEKA, KS 26,53726.5k $217.3k $217.3k 0.00% Added +16.3k +16,257
48 BANK OF MONTREAL /CAN/ 0.00% of their portfolio TORONTO, A6 21,80021.8k $179.6k $179.6k 0.00% New
49 XTX Topco Ltd 0.04% of their portfolio LONDON, X0 21,36121.4k $174.9k $174.9k 0.04% New
50 Jenkins Wealth 0.07% of their portfolio ENGLEWOOD, CO 21,12121.1k $173.0k $173.0k 0.07% First filing
51 RBF Capital, LLC 0.01% of their portfolio RENO, NV 20,00020.0k $164.0k $164.0k 0.01% Unchanged
52 Perritt Capital Management Inc 0.09% of their portfolio Chicago, IL 20,00020.0k $163.8k $163.8k 0.09% New
53 AMERIPRISE FINANCIAL INC 0.00% of their portfolio MINNEAPOLIS, MN 18,62518.6k $153.0k $153.0k 0.00% New
54 PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO 0.00% of their portfolio COLUMBUS, OH 17,14117.1k $140.0k $140.0k 0.00% New
55 Qube Research & Technologies Ltd 0.00% of their portfolio LONDON, X0 15,87815.9k $130.0k $130.0k 0.00% Reduced -2.5k -2,490
56 Schonfeld Strategic Advisors LLC 0.00% of their portfolio NEW YORK, NY 15,50015.5k $126.9k $126.9k 0.00% New
57 GROUP ONE TRADING LLC 0.00% of their portfolio CHICAGO, IL 14,07114.1k $115.2k $115.2k 0.00% New
58 Hillsdale Investment Management Inc. 0.01% of their portfolio Toronto, A6 12,60012.6k $103.2k $103.2k 0.01% Added +200 +200
59 D. E. Shaw & Co., Inc. 0.00% of their portfolio New York, NY 12,58012.6k $103.0k $103.0k 0.00% New
60 ROYAL BANK OF CANADA 0.00% of their portfolio TORONTO, A6 12,50012.5k $102.0k $102.0k 0.00% Reduced -12.1k -12,100
61 INNOVIS ASSET MANAGEMENT LLC 0.05% of their portfolio Chicago, IL 12,47312.5k $102.2k $102.2k 0.05% First filing
62 SIMPLEX TRADING, LLC 0.00% of their portfolio CHICAGO, IL 12,31012.3k $100.0k $100.0k 0.00% New
63 Dynamic Technology Lab Private Ltd 0.01% of their portfolio SINGAPORE, U0 10,61210.6k $87.0k $87.0k 0.01% New
64 TOCQUEVILLE ASSET MANAGEMENT L.P. 0.00% of their portfolio New York, NY 10,50010.5k $86.0k $86.0k 0.00% Unchanged
65 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio SAN FRANCISCO, CA 10,02510.0k $82.1k $82.1k 0.00% Unchanged
66 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 9,7729.8k $80.0k $80.0k 0.00% New
67 OSAIC HOLDINGS, INC. 0.00% of their portfolio SCOTTSDALE, AZ 8,8508.8k $72.0k $72.0k 0.00% Added +250 +250
68 BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio PARIS, I0 6,5076.5k $53.3k $53.3k 0.00% Added +6.4k +6,407
69 CANADA LIFE ASSURANCE Co 0.00% of their portfolio WINNIPEG, A2 6,0686.1k $50.0k $50.0k 0.00% Unchanged
70 Tower Research Capital LLC (TRC) 0.00% of their portfolio NEW YORK, NY 3,7313.7k $30.0k $30.0k 0.00% Added +564 +564
71 SouthState Bank Corp 0.00% of their portfolio Winter Haven, FL 730730 $6.0k $6.0k 0.00% Unchanged
72 Steward Partners Investment Advisory, LLC 0.00% of their portfolio STAMFORD, CT 375375 $3.1k $3.1k 0.00% Unchanged
73 FMR LLC 0.00% of their portfolio BOSTON, MA 341341 $2.8k $2.8k 0.00% Added +1 +1
74 WELLS FARGO & COMPANY/MN 0.00% of their portfolio SAN FRANCISCO, CA 135135 $1.1k $1.1k 0.00% Added +4 +4
75 Capital Advisors, Ltd. LLC 0.00% of their portfolio SHAKER HEIGHTS, OH 6565 $1.0k $1.0k 0.00% New
76 PNC Financial Services Group, Inc. 0.00% of their portfolio Pittsburgh, PA 2020 $164 $164 0.00% Unchanged
77 UBS Group AG 0.00% of their portfolio ZURICH, V8 88 $66 $66 0.00% Unchanged
78 Quent Capital, LLC 0.00% of their portfolio NEW YORK, NY 11 $15 $15 0.00% Unchanged
79 CONCOURSE FINANCIAL GROUP SECURITIES, INC. 0.00% of their portfolio BIRMINGHAM, AL 00 $0 $0 0.00% Unchanged