There is a long list of 110 institutional holders of SPOK within the last two holding periods in our database of 13F filers, so we've sorted through to present to you just the top 50 institutional holders of SPOK by largest to smallest position reported in the institutional investor's latest 13F filing. In the institutional-holders-of-SPOK table below, the initial column indicates the name of each top institutional holder of SPOK, with a link to that fund's top holdings. The next columns indicate the amount of SPOK stock held by each of the institutional holders of SPOK, followed by the SPOK position size held by the institution, and finally the date of the quarterly 13F filing period the holdings data represents for that institution.

Holder	Amount	Position Size ($ in 1000's)	As of
BlackRock Inc.	1,409,039	$21,812	12/31/2023
SPOK	1,409,039	$21,812	12/31/2023
Vanguard Group Inc.	994,313	$15,392	12/31/2023
SPOK	994,313	$15,392	12/31/2023
Renaissance Technologies LLC	974,222	$15,081	12/31/2023
SPOK	974,222	$15,081	12/31/2023
Dimensional Fund Advisors LP	736,997	$11,409	12/31/2023
SPOK	736,997	$11,409	12/31/2023
HighTower Advisors LLC	548,629	$8,754	03/31/2024
SPOK	548,629	$8,754	03/31/2024
Foundry Partners LLC	447,290	$6,924	12/31/2023
SPOK	447,290	$6,924	12/31/2023
Geode Capital Management LLC	440,671	$6,822	12/31/2023
SPOK	440,671	$6,822	12/31/2023
State Street Corp	391,461	$6,060	12/31/2023
SPOK	391,461	$6,060	12/31/2023
Acadian Asset Management LLC	350,020	$5,416	12/31/2023
SPOK	350,020	$5,416	12/31/2023
Nuveen Asset Management LLC	346,400	$5,362	12/31/2023
SPOK	346,400	$5,362	12/31/2023
Prudential Financial Inc.	306,740	$4,748	12/31/2023
SPOK	306,740	$4,748	12/31/2023
Fuller & Thaler Asset Management Inc.	251,123	$3,887	12/31/2023
SPOK	251,123	$3,887	12/31/2023
Bank of New York Mellon Corp	229,907	$3,667	03/31/2024
SPOK	229,907	$3,667	03/31/2024
Two Sigma Advisers LP	215,400	$3,334	12/31/2023
SPOK	215,400	$3,334	12/31/2023
Northern Trust Corp	202,117	$3,129	12/31/2023
SPOK	202,117	$3,129	12/31/2023
Morgan Stanley	195,102	$3,020	12/31/2023
SPOK	195,102	$3,020	12/31/2023
Uniplan Investment Counsel Inc.	156,409	$2,421	12/31/2023
SPOK	156,409	$2,421	12/31/2023
Prelude Capital Management LLC	155,835	$2,412	12/31/2023
SPOK	155,835	$2,412	12/31/2023
Two Sigma Investments LP	143,128	$2,216	12/31/2023
SPOK	143,128	$2,216	12/31/2023
GSA Capital Partners LLP	104,258	$1,663	03/31/2024
SPOK	104,258	$1,663	03/31/2024
Allspring Global Investments Holdings LLC	88,773	$1,416	03/31/2024
SPOK	88,773	$1,416	03/31/2024
Invesco Ltd.	74,011	$1,146	12/31/2023
SPOK	74,011	$1,146	12/31/2023
Goldman Sachs Group Inc.	61,350	$950	12/31/2023
SPOK	61,350	$950	12/31/2023
Campbell & CO Investment Adviser LLC	55,951	$866	12/31/2023
SPOK	55,951	$866	12/31/2023
Advisor Group Holdings Inc.	55,807	$864	12/31/2023
SPOK	55,807	$864	12/31/2023
First Trust Advisors LP	54,908	$850	12/31/2023
SPOK	54,908	$850	12/31/2023
DZ BANK AG Deutsche Zentral Genossenschafts Bank Frankfurt am Main	54,459	$843	12/31/2023
SPOK	54,459	$843	12/31/2023
Connor Clark & Lunn Investment Management Ltd.	52,543	$813	12/31/2023
SPOK	52,543	$813	12/31/2023
Charles Schwab Investment Management Inc.	50,864	$787	12/31/2023
SPOK	50,864	$787	12/31/2023
Los Angeles Capital Management & Equity Research Inc.	48,900	$780	03/31/2024
SPOK	48,900	$780	03/31/2024
Susquehanna International Group LLP		$694	03/31/2024
Call	48,700	$777	03/31/2024
Put	25,000	$399	03/31/2024
SPOK	19,797	$316	03/31/2024
Citadel Advisors LLC		$639	12/31/2023
SPOK	40,013	$619	12/31/2023
Call	15,500	$240	12/31/2023
Put	14,200	$220	12/31/2023
Aviva PLC	38,967	$603	12/31/2023
SPOK	38,967	$603	12/31/2023
UBS Group AG	37,532	$581	12/31/2023
SPOK	37,532	$581	12/31/2023
Strs Ohio	36,500	$565	12/31/2023
SPOK	36,500	$565	12/31/2023
Hennion & Walsh Asset Management Inc.	34,738	$554	03/31/2024
SPOK	34,738	$554	03/31/2024
EAM Investors LLC	34,309	$531	12/31/2023
SPOK	34,309	$531	12/31/2023
Kennedy Capital Management Inc.	28,713	$444	12/31/2023
SPOK	28,713	$444	12/31/2023
Bank of America Corp DE	25,941	$402	12/31/2023
SPOK	25,941	$402	12/31/2023
Rhumbline Advisers	25,968	$402	12/31/2023
SPOK	25,968	$402	12/31/2023
Royal Bank of Canada	25,790	$399	12/31/2023
SPOK	25,790	$399	12/31/2023
Barclays PLC	24,413	$377	12/31/2023
SPOK	24,413	$377	12/31/2023
Janney Montgomery Scott LLC	22,936	$366	03/31/2024
SPOK	22,936	$366	03/31/2024
WINTON GROUP Ltd	19,902	$308	12/31/2023
SPOK	19,902	$308	12/31/2023
Guggenheim Capital LLC	19,511	$302	12/31/2023
SPOK	19,511	$302	12/31/2023
Franklin Resources Inc.	18,738	$290	12/31/2023
SPOK	18,738	$290	12/31/2023
Trexquant Investment LP	18,511	$287	12/31/2023
SPOK	18,511	$287	12/31/2023
Semanteon Capital Management LP	17,822	$284	03/31/2024
SPOK	17,822	$284	03/31/2024
Cambridge Investment Research Advisors Inc.	17,393	$277	03/31/2024
SPOK	17,393	$277	03/31/2024
Financial Advocates Investment Management	17,189	$274	03/31/2024
SPOK	17,189	$274	03/31/2024

See All: Funds Holding SPOK
See Details: Top 10 Hedge Funds Holding SPOK
Also See: SPOK Insider Buying
Also See: SPOK Holdings Changes

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