Ken Griffin Spok Holdings, Inc Transaction History

Citadel Advisors LLC

$509 Billion
Q1 2025

A detailed history of Ken Griffin (Citadel Advisors LLC) transactions in Spok Holdings, Inc stock. As of the latest transaction made, Citadel Advisors LLC holds 16,000 shares of SPOK stock, worth $281,120. This represents 0.0% of its overall portfolio holdings.

Number of Shares

16,000

Previous 14,900 7.38%

Holding current value

$281,120

Previous $239,000 10.04%

% of portfolio

0.0%

Previous 0.0%

28 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q1 2025 May 15, 2025	BUY	$15.54 - $17.2 $1.92 Million - $2.12 Million	123,508 Added 400.84%	154,320 $2.54 Million
Q4 2024 Feb 14, 2025	SELL	$14.47 - $17.05 $747,303 - $880,547	-51,645 Reduced 62.63%	30,812 $494,000
Q3 2024 Nov 14, 2024	BUY	$14.21 - $16.67 $1.17 Million - $1.37 Million	82,457 New	82,457 $1.24 Million
Q1 2024 May 15, 2024	BUY	$15.0 - $17.97 $600,930 - $719,914	40,062 Added 100.12%	80,075 $1.28 Million
Q4 2023 Feb 14, 2024	BUY	$14.07 - $17.89 $561,421 - $713,846	39,902 Added 35947.75%	40,013 $619,000
Q3 2023 Nov 14, 2023	SELL	$10.85 - $15.49 $182,236 - $260,170	-16,796 Reduced 99.34%	111 $1,000
Q2 2023 Aug 14, 2023	SELL	$11.49 - $13.79 $18,947 - $22,739	-1,649 Reduced 8.89%	16,907 $224,000
Q1 2023 May 15, 2023	SELL	$8.2 - $10.65 $178,669 - $232,052	-21,789 Reduced 54.01%	18,556 $187,000
Q4 2022 Feb 14, 2023	BUY	$7.66 - $8.84 $162,077 - $187,045	21,159 Added 110.28%	40,345 $330,000
Q3 2022 Nov 14, 2022	SELL	$6.26 - $7.64 $137,914 - $168,316	-22,031 Reduced 53.45%	19,186 $147,000
Q2 2022 Aug 15, 2022	BUY	$6.3 - $8.16 $8,624 - $11,171	1,369 Added 3.44%	41,217 $259,000
Q1 2022 May 16, 2022	SELL	$7.97 - $10.0 $246,902 - $309,790	-30,979 Reduced 43.74%	39,848 $318,000
Q4 2021 Feb 14, 2022	SELL	$8.72 - $10.85 $145,711 - $181,303	-16,710 Reduced 19.09%	70,827 $660,000
Q3 2021 Nov 15, 2021	BUY	$7.22 - $10.59 $17,501 - $25,670	2,424 Added 2.85%	87,537 $895,000
Q2 2021 Aug 16, 2021	BUY	$9.53 - $11.77 $598,636 - $739,344	62,816 Added 281.72%	85,113 $818,000
Q1 2021 May 17, 2021	SELL	$10.1 - $12.74 $221,402 - $279,273	-21,921 Reduced 49.57%	22,297 $233,000
Q4 2020 Feb 16, 2021	BUY	$8.63 - $11.22 $188,384 - $244,921	21,829 Added 97.5%	44,218 $492,000
Q3 2020 Nov 16, 2020	BUY	$8.7 - $11.05 $194,784 - $247,398	22,389 New	22,389 $213,000
Q4 2019 Feb 14, 2020	SELL	$11.07 - $12.73 $558,736 - $642,521	-50,473 Closed	0 $0
Q3 2019 Nov 14, 2019	SELL	$11.31 - $15.48 $7,272 - $9,953	-643 Reduced 1.26%	50,473 $602,000
Q2 2019 Aug 14, 2019	BUY	$13.74 - $16.84 $416,404 - $510,353	30,306 Added 145.63%	51,116 $768,000
Q1 2019 May 15, 2019	BUY	$13.35 - $14.73 $10,092 - $11,135	756 Added 3.77%	20,810 $0
Q4 2018 Feb 14, 2019	SELL	$12.31 - $15.5 $107,183 - $134,958	-8,707 Reduced 30.27%	20,054 $265,000
Q3 2018 Nov 13, 2018	SELL	$14.25 - $15.65 $1.21 Million - $1.33 Million	-84,835 Reduced 74.68%	28,761 $0
Q2 2018 Aug 10, 2018	BUY	$14.35 - $15.7 $375,970 - $411,340	26,200 Added 29.98%	113,596 $0
Q1 2018 May 11, 2018	BUY	$13.9 - $16.1 $337,144 - $390,505	24,255 Added 38.41%	87,396 $1.31 Million
Q4 2017 Feb 09, 2018	SELL	$15.5 - $18.45 $293,136 - $348,926	-18,912 Reduced 23.05%	63,141 $988,000
Q3 2017 Nov 09, 2017	BUY	$14.5 - $17.2 $1.19 Million - $1.41 Million	82,053	82,053 $1.26 Million

Others Institutions Holding SPOK

# of Institutions

132

Shares Held

21.5M

Call Options Held

42K

Put Options Held

2.1K

View Full List

About Spok Holdings, Inc

Ticker SPOK
Exchange NASDAQ
Sector Healthcare
Industry Health Information Services
Shares Outstandng 19,703,800
Market Cap $346M
Description
Spok Holdings, Inc., through its subsidiary, Spok, Inc., provides healthcare communication solutions in the United States, Europe, Canada, Australia, Asia, and the Middle East. It delivers clinical information to care teams when and where it matters to enhance patient outcomes. The company offers subscriptions to one-way or two-way messaging ser...

More about SPOK

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