David A. Siegel Spok Holdings, Inc Transaction History

Two Sigma Advisers, LP

$47 Billion
Q3 2025

A detailed history of David A. Siegel (Two Sigma Advisers, LP) transactions in Spok Holdings, Inc stock. As of the latest transaction made, Two Sigma Advisers, LP holds 67,800 shares of SPOK stock, worth $906,486. This represents 0.0% of its overall portfolio holdings.

Number of Shares

67,800

Previous 78,500 13.63%

Holding current value

$906,486

Previous $1.39 Million 15.72%

% of portfolio

0.0%

Previous 0.0%

33 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2025 Nov 14, 2025	SELL	$17.03 - $18.76 $182,221 - $200,732	-10,700 Reduced 13.63%	67,800 $1.17 Million
Q2 2025 Aug 14, 2025	BUY	$13.82 - $17.68 $168,604 - $215,696	12,200 Added 18.4%	78,500 $1.39 Million
Q1 2025 May 15, 2025	BUY	$15.54 - $17.2 $520,590 - $576,200	33,500 Added 102.13%	66,300 $1.09 Million
Q4 2024 Feb 14, 2025	SELL	$14.47 - $17.05 $439,888 - $518,320	-30,400 Reduced 48.1%	32,800 $526,000
Q3 2024 Nov 14, 2024	SELL	$14.21 - $16.67 $555,611 - $651,797	-39,100 Reduced 38.22%	63,200 $953,000

Q2 2024 Aug 14, 2024	SELL	$14.33 - $15.98 $421,302 - $469,812	-29,400 Reduced 22.32%	102,300 $1.52 Million
Q1 2024 May 15, 2024	SELL	$15.0 - $17.97 $1.26 Million - $1.5 Million	-83,700 Reduced 38.86%	131,700 $2.1 Million
Q4 2023 Feb 14, 2024	SELL	$14.07 - $17.89 $1.19 Million - $1.51 Million	-84,500 Reduced 28.18%	215,400 $3.33 Million
Q3 2023 Nov 14, 2023	BUY	$10.85 - $15.49 $16,275 - $23,235	1,500 Added 0.5%	299,900 $4.28 Million
Q2 2023 Aug 14, 2023	BUY	$11.49 - $13.79 $340,104 - $408,184	29,600 Added 11.01%	298,400 $3.97 Million
Q1 2023 May 15, 2023	SELL	$8.2 - $10.65 $533,000 - $692,250	-65,000 Reduced 19.47%	268,800 $2.72 Million
Q4 2022 Feb 14, 2023	BUY	$7.66 - $8.84 $965,160 - $1.11 Million	126,000 Added 60.64%	333,800 $2.73 Million
Q3 2022 Nov 14, 2022	BUY	$6.26 - $7.64 $1.06 Million - $1.3 Million	170,100 Added 451.19%	207,800 $1.59 Million
Q2 2022 Aug 15, 2022	BUY	$6.3 - $8.16 $20,160 - $26,112	3,200 Added 9.28%	37,700 $238,000
Q1 2022 May 16, 2022	SELL	$7.97 - $10.0 $717,196 - $899,870	-89,987 Reduced 72.29%	34,500 $275,000
Q4 2021 Feb 14, 2022	SELL	$8.72 - $10.85 $606,040 - $754,075	-69,500 Reduced 35.83%	124,487 $1.16 Million
Q3 2021 Nov 15, 2021	BUY	$7.22 - $10.59 $1.03 Million - $1.52 Million	143,300 Added 282.72%	193,987 $1.98 Million
Q2 2021 Aug 16, 2021	BUY	$9.53 - $11.77 $110,547 - $136,532	11,600 Added 29.68%	50,687 $488,000
Q1 2021 May 17, 2021	SELL	$10.1 - $12.74 $197,960 - $249,704	-19,600 Reduced 33.4%	39,087 $410,000
Q4 2020 Feb 16, 2021	BUY	$8.63 - $11.22 $198,490 - $258,060	23,000 Added 64.45%	58,687 $653,000
Q3 2020 Nov 16, 2020	SELL	$8.7 - $11.05 $97,466 - $123,793	-11,203 Reduced 23.89%	35,687 $339,000
Q2 2020 Aug 14, 2020	BUY	$9.04 - $11.57 $4,520 - $5,785	500 Added 1.08%	46,890 $438,000
Q1 2020 May 15, 2020	SELL	$8.66 - $12.13 $1,732 - $2,426	-200 Reduced 0.43%	46,390 $496,000
Q4 2019 Feb 14, 2020	BUY	$11.07 - $12.73 $49,815 - $57,285	4,500 Added 10.69%	46,590 $570,000
Q3 2019 Nov 14, 2019	BUY	$11.31 - $15.48 $15,834 - $21,672	1,400 Added 3.44%	42,090 $503,000
Q2 2019 Aug 14, 2019	SELL	$13.74 - $16.84 $53,586 - $65,676	-3,900 Reduced 8.75%	40,690 $612,000
Q1 2019 May 15, 2019	BUY	$13.35 - $14.73 $12,015 - $13,257	900 Added 2.06%	44,590 $607,000
Q4 2018 Feb 14, 2019	SELL	$12.31 - $15.5 $48,735 - $61,364	-3,959 Reduced 8.31%	43,690 $579,000
Q3 2018 Nov 14, 2018	BUY	$14.25 - $15.65 $11,400 - $12,520	800 Added 1.71%	47,649 $734,000
Q2 2018 Aug 14, 2018	BUY	$14.35 - $15.7 $157,850 - $172,700	11,000 Added 30.68%	46,849 $705,000
Q1 2018 May 15, 2018	SELL	$13.9 - $16.1 $45,870 - $53,130	-3,300 Reduced 8.43%	35,849 $536,000
Q4 2017 Feb 14, 2018	SELL	$15.5 - $18.45 $210,800 - $250,920	-13,600 Reduced 25.78%	39,149 $613,000
Q3 2017 Nov 14, 2017	BUY	$14.5 - $17.2 $764,860 - $907,282	52,749	52,749 $810,000

Others Institutions Holding SPOK

# of Institutions

145

Shares Held

11.2M

Call Options Held

15K

Put Options Held

50.1K

View Full List

About Spok Holdings, Inc

Ticker SPOK
Exchange NASDAQ
Sector Healthcare
Industry Health Information Services
Shares Outstandng 19,703,800
Market Cap $263M
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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