Spok Ownership | Who Owns Spok?

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Spok Ownership Summary

Spok is owned by 29.53% institutional investors, 2.06% insiders, and 68.42% retail investors. Blackrock funding, inc. /de is the largest institutional shareholder, holding 9.44% of SPOK shares. Vanguard US Total Market Shares ETF is the top mutual fund, with 2.64% of its assets in Spok shares.

SPOK Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Spok	29.53%	2.06%	68.42%
Sector	Healthcare Stocks	42.54%	10.83%	46.63%
Industry	Healthcare Information Services Stocks	41.37%	12.81%	45.81%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Blackrock funding, inc. /de	1.94M	9.44%	$33.38M
Blackrock	1.43M	7.07%	$21.13M
Renaissance	1.17M	5.72%	$20.23M
Vanguard group	1.15M	5.63%	$19.92M
Dimensional fund advisors lp	719.05K	3.51%	$12.40M
Geode capital management	601.23K	2.93%	$10.37M
State street	457.43K	2.23%	$7.89M
Acadian asset management	428.06K	2.09%	$7.38M
Hightower advisors	408.01K	1.99%	$7.04M
Goldman sachs group	395.90K	1.93%	$6.83M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Foundry partners	362.04K	0.29%	$5.81M
Longboard asset management, lp	10.35K	0.29%	$178.54K
Uniplan investment counsel	161.24K	0.27%	$2.78M
Significant wealth partners	25.97K	0.22%	$447.97K
Csm advisors	334.35K	0.16%	$5.77M
R squared	19.23K	0.14%	$331.67K
North star investment management	122.00K	0.14%	$2.10M
Inspire investing	60.70K	0.10%	$1.05M
Keebeck wealth management	40.00K	0.08%	$690.00K
Virtus investment advisers	9.87K	0.05%	$170.19K

Top Buyers

Holder	Shares	% Assets	Change
Blackrock funding, inc. /de	1.94M	0.00%	212.39K
Renaissance	1.17M	0.03%	115.90K
Geode capital management	601.23K	0.00%	82.90K
Allspring global investments	74.40K	0.00%	74.40K
Lazard asset management	66.26K	0.00%	65.48K

Top Sellers

Holder	Shares	% Assets	Change
Kingstone capital partners texas	-	-	-11.18M
Fuller & thaler asset management	-	-	-171.48K
Prelude capital management	-	-	-148.19K
Goldman sachs group	395.90K	0.00%	-133.99K
Jpmorgan chase	114.53K	0.00%	-109.52K

New Positions

Holder	Shares	% Assets	Change	Value
First trust advisors lp	63.52K	0.00%	63.52K	$1.10M
Campbell & co investment adviser	29.53K	0.04%	29.53K	$509.46K
Exoduspoint capital management, lp	23.35K	0.00%	23.35K	$402.79K
Victory capital management	22.89K	0.00%	22.89K	$394.82K
Petrus trust company, lta	21.67K	0.04%	21.67K	$373.76K

Sold Out

Holder	Change
Gradient investments	-1.00
Comerica bank	-2.00
Nelson, van denburg & campbell wealth management group	-3.00
Innealta capital	-13.00
Corecap advisors	-15.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Sep 30, 2025	65	-49.22%	6,056,369	-71.64%	29	0.27%	33	-54.79%	13	-59.38%
Jun 30, 2025	134	4.69%	22,171,944	110.04%	108	4.05%	76	16.92%	35	-10.26%
Mar 31, 2025	126	7.69%	10,507,300	3.40%	51	2.04%	65	3.17%	38	15.15%
Dec 31, 2024	43	-61.26%	3,260,542	-67.64%	16	0.65%	21	-62.50%	13	-61.76%
Sep 30, 2024	110	-5.98%	10,048,753	-1.12%	49	1.97%	55	-19.12%	34	6.25%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Vanguard US Total Market Shares ETF	539.24K	2.64%	-
Foundry Partners Micro Cap Value	531.25K	2.58%	-
Vanguard Total Stock Mkt Idx Inv	527.60K	2.56%	-11.64K
iShares Russell 2000 ETF	457.58K	2.22%	-
Vanguard Institutional Extnd Mkt Idx Tr	222.05K	1.08%	-96.55K
Fidelity Small Cap Index	211.92K	1.03%	17.48K
iShares Russell 2000 Value ETF	176.68K	0.86%	-
FullerThaler Behavioral Micro-Cap Core	171.48K	0.85%	-7.15K
DFA US Targeted Value I	148.98K	0.72%	-
Goldman Sachs Small Cp Val Insghts Instl	138.83K	0.67%	-25.23K

Recent Insider Transactions

Date	Name	Role	Activity	Value
Sep 04, 2025	Stein Todd J	-	Sell	-
Sep 04, 2025	Stein Todd J	-	Sell	$316.15K
Sep 04, 2025	Stein Todd J	-	Sell	$371.20K
Sep 02, 2025	Stein Todd J	-	Sell	$221.39K
Sep 03, 2025	Stein Todd J	-	Sell	$458.55K

Insider Transactions Trends

Date	Buy	Sell
2025 Q4	-	-
2025 Q3	-	46
2025 Q2	-	6
2025 Q1	-	18
2024 Q4	-	14

SPOK Ownership FAQ

Who Owns Spok?

Spok shareholders are primarily institutional investors at 29.53%, followed by 2.06% insiders and 68.41% retail investors. The average institutional ownership in Spok's industry, Healthcare Information Services Stocks , is 41.37%, which Spok falls below.

Who owns the most shares of Spok?

Spok’s largest shareholders are Blackrock funding, inc. /de (1.94M shares, 9.44%), Blackrock (1.43M shares, 7.07%), and Renaissance (1.17M shares, 5.72%). Together, they hold 22.23% of Spok’s total shares outstanding.

Does Blackrock own Spok?

Yes, BlackRock owns 7.07% of Spok, totaling 1.43M shares as of Jun 2024. This represents 0.00% of BlackRock's total assets, with a market value of 21.13M$. In the last quarter, BlackRock increased its holdings by 9.45K shares, a 0.67% change.

Who is Spok’s biggest shareholder by percentage of total assets invested?

Foundry partners is Spok’s biggest shareholder by percentage of total assets invested, with 0.29% of its assets in 362.04K Spok shares, valued at 5.81M$.

Who is the top mutual fund holder of Spok shares?

Vanguard US Total Market Shares ETF is the top mutual fund holder of Spok shares, with 2.64% of its total shares outstanding invested in 539.24K Spok shares.

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