Spok Holdings, Inc

SPOK

Exchange: Nasdaq
Industry: Radiotelephone Communications
SEC CIK: 0001289945

SEC filings (opens in a new tab)

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.

Q2 2023 vs. Q1 2023

How the institutions holding Spok Holdings, Inc changed between Q1 2023 and Q2 2023.

All holders in Q2 2023 All holders in Q1 2023

13F holders of SPOK: Q1 2023 compared with Q2 2023
Measure	Q1 2023	Q2 2023	Change
Holders	85	87	+2
Shares	9.65M	10.2M	+539.3K (+5.6%)
Value	$98.1M	$135.4M	+$37.3M (+38.0%)

New holders (25)

Institutions that held Spok Holdings, Inc at the end of Q2 2023 but not at the end of Q1 2023.

Institutions new to SPOK in Q2 2023
Institution	Shares	Value	% of portfolio
Bank of Montreal	232,107	$3.11M	0.00%
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main	130,573	$1.74M	0.00%
Charles Schwab Investment Management Inc	50,484	$670.9K	0.00%
Captrust Financial Advisors	39,961	$531.1K	0.00%
STRS Ohio	38,300	$509.0K	0.00%
Cambridge Investment Research Advisors, Inc.	28,339	$377.0K	0.00%
Rhumbline Advisers	25,134	$334.0K	0.00%
Winton Group Ltd	24,139	$320.8K	0.03%
Parallax Volatility Advisers, L.P.	18,582	$247.0K	0.01%
DekaBank Deutsche Girozentrale	16,457	$217.0K	0.00%
Prudential Financial Inc	16,040	$213.2K	0.00%
MetLife Investment Management	9,363	$124.4K	0.00%
American International Group, Inc.	8,556	$113.7K	0.00%
New York State Common Retirement Fund	7,300	$97.0K	0.00%
California State Teachers Retirement System	5,914	$78.6K	0.00%
Lazard Asset Management LLC	4,795	$63.0K	0.00%
Nisa Investment Advisors, LLC	1,910	$25.4K	0.00%
Amalgamated Bank	1,729	$23.0K	0.00%
Legal & General Group Plc	1,659	$22.0K	0.00%
Ameritas Investment Partners, Inc.	1,468	$19.5K	0.00%
Metropolitan Life Insurance Co	970	$12.9K	0.00%
IFP Advisors, Inc	400	$6.16K	0.00%
GWM Advisors LLC	189	$2.51K	0.00%
CWM, LLC	77	$1.00K	0.00%
The PNC Financial Services Group, Inc.	12	$159	0.00%

Sold out (23)

Institutions that held Spok Holdings, Inc at the end of Q1 2023 and filed for Q2 2023 without it.

Institutions that sold out of SPOK in Q2 2023
Institution	Shares, Q1 2023	Value, Q1 2023
Marshall Wace, LLP	181,875	$1.84M
PCG Wealth Advisors, LLC	162,471	$1.65M
Jane Street Group, LLC	109,059	$1.10M
Formidable Asset Management, LLC	56,430	$572.0K
Toroso Investments, LLC	56,430	$572.0K
Qube Research & Technologies Ltd	24,166	$244.8K
Squarepoint Ops LLC	22,056	$223.4K
Perritt Capital Management Inc	20,000	$202.6K
HRT Financial LP	18,985	$192.0K
State of Tennessee, Treasury Department	18,593	$188.3K
Innovis Asset Management LLC	18,312	$185.5K
Dynamic Technology Lab Private Ltd	17,400	$176.0K
Schonfeld Strategic Advisors LLC	14,670	$148.6K
Hillsdale Investment Management Inc.	13,900	$140.8K
CM Wealth Advisors LLC	11,049	$130.0K
LMR Partners LLP	10,840	$109.8K
AE Wealth Management LLC	10,416	$105.5K
Quantbot Technologies LP	9,561	$96.9K
Simplex Trading, LLC	4,579	$46.0K
Point72 Asset Management, L.P.	3,810	$38.6K
Point72 Middle East FZE	3,305	$33.5K
Tucker Asset Management LLC	446	$4.52K
25 LLC	41	$528