Spok Ownership | Who Owns Spok?

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Spok Ownership Summary

Spok is owned by 50.77% institutional investors, 2.34% insiders, and 46.89% retail investors. Blackrock funding, inc. /de is the largest institutional shareholder, holding 8.13% of SPOK shares. Vanguard Total Stock Mkt Idx Inv is the top mutual fund, with 2.94% of its assets in Spok shares.

SPOK Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Spok	50.77%	2.34%	46.89%
Sector	Healthcare Stocks	35.74%	11.83%	52.43%
Industry	Healthcare Information Services Stocks	32.56%	11.95%	55.49%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Blackrock funding, inc. /de	1.68M	8.13%	$18.27M
Blackrock	1.43M	7.07%	$21.13M
Renaissance	1.26M	6.12%	$13.75M
Vanguard group	1.23M	5.98%	$16.21M
Dimensional fund advisors lp	715.87K	3.47%	$7.80M
Geode capital management	545.72K	2.65%	$5.95M
State street	461.79K	2.24%	$5.03M
Hightower advisors	381.81K	1.85%	$4.16M
Foundry partners	362.04K	1.79%	$5.81M
Goldman sachs group	219.58K	1.07%	$2.39M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Foundry partners	362.04K	0.29%	$5.81M
Uniplan investment counsel	209.60K	0.23%	$2.28M
Significant wealth partners	16.68K	0.22%	$181.84K
Inspire investing	60.70K	0.10%	$1.05M
North star investment management	122.00K	0.08%	$1.33M
Numerai gp	69.02K	0.08%	$752.27K
Dynamic technology lab private	37.54K	0.07%	$409.23K
Keebeck wealth management	50.00K	0.06%	$545.00K
Fidelis capital partners	75.00K	0.06%	$817.51K
Gsa capital partners llp	85.82K	0.06%	$935.00K

Top Buyers

Holder	Shares	% Assets	Change
Vanguard fiduciary trust	129.25K	0.00%	129.25K
Marshall wace, llp	112.79K	0.00%	112.79K
United capital financial advisers	104.72K	0.01%	104.72K
Fidelis capital partners	75.00K	0.06%	75.00K
Vanguard group	1.23M	0.00%	74.45K

Top Sellers

Holder	Shares	% Assets	Change
Kingstone capital partners texas	-	-	-11.18M
Acadian asset management	-	-	-322.04K
Fuller & thaler asset management	-	-	-171.48K
Prelude capital management	-	-	-148.19K
Goldman sachs group	219.58K	0.00%	-142.89K

New Positions

Holder	Shares	% Assets	Change	Value
Vanguard fiduciary trust	129.25K	0.00%	129.25K	$1.41M
United capital financial advisers	104.72K	0.01%	104.72K	$1.14M
Fidelis capital partners	75.00K	0.06%	75.00K	$817.51K
Numerai gp	69.02K	0.08%	69.02K	$752.27K
Dynamic technology lab private	37.54K	0.07%	37.54K	$409.23K

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 %
Mar 31, 2026	133	-1.48%	10,461,328	-5.27%	50	1.76%	66	11.86%	50	-10.71%
Dec 31, 2025	54	-62.50%	5,961,850	-47.97%	29	0.93%	13	-84.34%	29	-17.14%
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%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Vanguard Total Stock Mkt Idx Inv	615.12K	2.94%	-
Vanguard US Total Market Shares ETF	539.24K	2.64%	-
Foundry Partners Micro Cap Value	531.25K	2.58%	-
iShares Russell 2000 ETF	434.69K	2.08%	3.67K
CS McKee Micro Cap Value	341.95K	1.64%	-
Vanguard Institutional Extnd Mkt Idx Tr	231.36K	1.11%	6.15K
Fidelity Small Cap Index	210.22K	1.01%	4.48K
FullerThaler Behavioral Micro-Cap Core	171.48K	0.85%	-7.15K
iShares Russell 2000 Value ETF	172.79K	0.83%	931.00
DFA US Targeted Value I	139.99K	0.67%	-

Recent Insider Transactions

Date	Name	Role	Activity	Value
Jun 16, 2026	Stein Todd J	-	Buy	-
Jun 16, 2026	Stein Todd J	-	Buy	-
Jun 16, 2026	Stein Todd J	-	Buy	$366.70K
May 11, 2026	KELLY VINCENT D	President & CEO	Buy	-
May 12, 2026	KELLY VINCENT D	President & CEO	Buy	$53.48K

Insider Transactions Trends

Date	Buy	Sell
2026 Q2	6	2
2026 Q1	-	-
2025 Q4	-	-
2025 Q3	-	46
2025 Q2	-	6

SPOK Ownership FAQ

Who Owns Spok?

Spok shareholders are primarily institutional investors at 50.77%, followed by 2.34% insiders and 46.89% retail investors. The average institutional ownership in Spok's industry, Healthcare Information Services Stocks , is 32.56%, which Spok exceeds.

Who owns the most shares of Spok?

Spok’s largest shareholders are Blackrock funding, inc. /de (1.68M shares, 8.13%), Blackrock (1.43M shares, 7.07%), and Renaissance (1.26M shares, 6.12%). Together, they hold 21.33% 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 Total Stock Mkt Idx Inv is the top mutual fund holder of Spok shares, with 2.94% of its total shares outstanding invested in 615.12K Spok shares.

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