Ken Griffin Penumbra Inc Transaction History

Citadel Advisors LLC

$618 Billion
Q3 2025

A detailed history of Ken Griffin (Citadel Advisors LLC) transactions in Penumbra Inc stock. As of the latest transaction made, Citadel Advisors LLC holds 970,998 shares of PEN stock, worth $270 Million. This represents 0.04% of its overall portfolio holdings.

Number of Shares

970,998

Previous 26,300 3592.01%

Holding current value

$270 Million

Previous $6.75 Million 3544.58%

% of portfolio

0.04%

Previous 0.0%

33 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2025 Nov 14, 2025	BUY	$227.15 - $287.09 $171 Million - $216 Million	752,006 Added 343.39%	970,998 $246 Million
Q2 2025 Aug 14, 2025	SELL	$253.22 - $299.78 $143 Million - $169 Million	-565,317 Reduced 72.08%	218,992 $56.2 Million
Q1 2025 May 15, 2025	BUY	$237.28 - $303.76 $11.9 Million - $15.2 Million	50,021 Added 6.81%	784,309 $210 Million
Q4 2024 Feb 14, 2025	BUY	$190.97 - $253.66 $61.5 Million - $81.7 Million	322,265 Added 78.22%	734,288 $174 Million
Q3 2024 Nov 14, 2024	BUY	$163.64 - $210.12 $56.1 Million - $72.1 Million	343,005 Added 496.98%	412,023 $80 Million

Q2 2024 Aug 14, 2024	BUY	$172.27 - $223.95 $4.53 Million - $5.89 Million	26,303 Added 61.58%	69,018 $12.4 Million
Q1 2024 May 15, 2024	SELL	$220.09 - $273.15 $10.7 Million - $13.3 Million	-48,719 Reduced 53.28%	42,715 $9.53 Million
Q4 2023 Feb 14, 2024	SELL	$181.44 - $260.22 $28.5 Million - $40.9 Million	-157,131 Reduced 63.22%	91,434 $23 Million
Q3 2023 Nov 14, 2023	SELL	$240.69 - $338.77 $16.2 Million - $22.9 Million	-67,478 Reduced 21.35%	248,565 $60.1 Million
Q2 2023 Aug 14, 2023	BUY	$271.54 - $344.06 $4.15 Million - $5.25 Million	15,267 Added 5.08%	316,043 $109 Million
Q1 2023 May 15, 2023	BUY	$220.43 - $278.69 $21 Million - $26.5 Million	95,126 Added 46.26%	300,776 $83.8 Million
Q4 2022 Feb 14, 2023	SELL	$151.88 - $228.5 $34.5 Million - $51.9 Million	-226,919 Reduced 52.46%	205,650 $45.7 Million
Q3 2022 Nov 14, 2022	BUY	$120.36 - $205.88 $12.8 Million - $21.8 Million	105,936 Added 32.43%	432,569 $82 Million
Q2 2022 Aug 15, 2022	SELL	$116.09 - $227.33 $4.7 Million - $9.21 Million	-40,516 Reduced 11.04%	326,633 $40.7 Million
Q1 2022 May 16, 2022	BUY	$187.51 - $283.98 $3.1 Million - $4.69 Million	16,522 Added 4.71%	367,149 $81.6 Million
Q4 2021 Feb 14, 2022	SELL	$238.08 - $288.0 $24.1 Million - $29.2 Million	-101,237 Reduced 22.4%	350,627 $101 Million
Q3 2021 Nov 15, 2021	SELL	$250.72 - $291.24 $8.18 Million - $9.5 Million	-32,614 Reduced 6.73%	451,864 $120 Million
Q2 2021 Aug 16, 2021	BUY	$235.0 - $310.7 $47.5 Million - $62.9 Million	202,335 Added 71.71%	484,478 $133 Million
Q1 2021 May 17, 2021	BUY	$175.6 - $291.43 $4.02 Million - $6.67 Million	22,892 Added 8.83%	282,143 $76.3 Million
Q4 2020 Feb 16, 2021	BUY	$174.98 - $272.83 $33.4 Million - $52.2 Million	191,162 Added 280.75%	259,251 $45.4 Million
Q3 2020 Nov 16, 2020	SELL	$185.27 - $238.73 $21.8 Million - $28.1 Million	-117,623 Reduced 63.34%	68,089 $13.2 Million
Q2 2020 Aug 14, 2020	BUY	$153.32 - $191.72 $24.2 Million - $30.3 Million	157,818 Added 565.78%	185,712 $33.2 Million
Q1 2020 May 15, 2020	SELL	$124.34 - $193.76 $1.02 Million - $1.59 Million	-8,215 Reduced 22.75%	27,894 $4.5 Million
Q4 2019 Feb 14, 2020	SELL	$134.81 - $177.8 $38.8 Million - $51.2 Million	-287,923 Reduced 88.86%	36,109 $5.93 Million
Q3 2019 Nov 14, 2019	BUY	$131.82 - $183.4 $28.8 Million - $40.1 Million	218,785 Added 207.88%	324,032 $43.6 Million
Q2 2019 Aug 14, 2019	BUY	$124.65 - $167.39 $11 Million - $14.7 Million	87,960 Added 508.82%	105,247 $16.8 Million
Q1 2019 May 15, 2019	SELL	$115.84 - $160.31 $6.33 Million - $8.75 Million	-54,606 Reduced 75.95%	17,287 $0
Q4 2018 Feb 14, 2019	SELL	$113.42 - $156.48 $3.6 Million - $4.97 Million	-31,730 Reduced 30.62%	71,893 $8.79 Million
Q3 2018 Nov 13, 2018	SELL	$121.55 - $156.8 $11.8 Million - $15.3 Million	-97,489 Reduced 48.47%	103,623 $0
Q2 2018 Aug 10, 2018	BUY	$112.2 - $165.95 $17.1 Million - $25.3 Million	152,316 Added 312.15%	201,112 $0
Q1 2018 May 11, 2018	SELL	$84.6 - $126.1 $1.17 Million - $1.75 Million	-13,883 Reduced 22.15%	48,796 $5.64 Million
Q4 2017 Feb 09, 2018	SELL	$91.55 - $115.85 $5.6 Million - $7.08 Million	-61,120 Reduced 49.37%	62,679 $5.9 Million
Q3 2017 Nov 09, 2017	BUY	$79.65 - $90.3 $9.86 Million - $11.2 Million	123,799	123,799 $11.2 Million

Others Institutions Holding PEN

# of Institutions

472

Shares Held

30.6M

Call Options Held

309K

Put Options Held

95.9K

View Full List

About Penumbra Inc

Ticker PEN
Exchange NYSE
Sector Healthcare
Industry Medical Devices
Shares Outstandng 37,888,400
Market Cap $10.6B
Description
Penumbra, Inc. designs, develops, manufactures, and markets medical devices in the United States and internationally. The company offers aspiration based thrombectomy systems and accessory devices, including revascularization device for mechanical thrombectomy, such as Penumbra System under the Penumbra RED, JET, ACE, 3D Revascularization Device...

More about PEN

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