Penumbra Inc (PEN) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

39,302,239Shares Outstanding

35,375,957Shares held by institutions

$11,567,937,939Value of institutional holdings

90.01%Institutional ownership %

0.74%Shares Changed QoQ

423No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Penumbra Inc (NYSE:PEN) has 423 institutional investors that have filed 13F reports for the period ending December 2025.

They owned 89.2% of outstanding stock in December 2025, down from 95.0% the prior quarter.
They decreased total shares held in Penumbra by -0.02% from the prior quarter, while the number of investors in PEN increased 15.57% year over year.
Of these 423 holders, 200 added to their stakes in Penumbra, 171 trimmed positions, and 52 made no changes.
Altogether, these fund groups held 35.06Mn shares in PEN by December 2025, down by 6.06K shares quarter on quarter, and down 753.79K shares year over year.
FMR LLC leads ownership in PEN with 5.13Mn shares as of December 31, 2025, equal to 13.06% of outstanding shares.
The most significant purchases of PEN for the quarter ending December 2025 came from MILLENNIUM MANAGEMENT LLC (444.53K), Artisan Partners Limited Partnership (370.64K), Goldman Sachs Group Inc (347.9K), WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC (345.97K), SAMLYN CAPITAL, LLC (212.96K).
Leading sellers of Penumbra shares for the quarter ending December 2025 were Jpmorgan Chase & Co (889.9K), FMR LLC (759.72K), Bank Of America Corp /De/ (213.13K), Morgan Stanley (167.95K), Qube Research & Technologies Ltd (160.0K).
Per Business Quant data, the top 10 holders of Penumbra for the quarter ending December 2025 are FMR LLC (5.13Mn), BlackRock, Inc. (4.14Mn), VANGUARD GROUP INC (3.77Mn), State Street Corp (1.16Mn), CITADEL ADVISORS LLC (990.28K), BAILLIE GIFFORD & CO (876.32K), RTW INVESTMENTS, LP (866.5K), Jpmorgan Chase & Co (797.49K), GEODE CAPITAL MANAGEMENT, LLC (766.51K), Clearbridge Investments, LLC (690.81K).

423 Institutional Holders

35,375,957 Total Shares Held

Rows:

Download Data

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
FMR LLC	31 Dec, 2025	5,131,942	-759,723	-12.89%	$1,595,572,092.00
BlackRock, Inc.	31 Dec, 2025	4,140,589	-30,303	-0.73%	$1,287,350,472.00
VANGUARD GROUP INC	31 Dec, 2025	3,770,569	-64,914	-1.69%	$1,172,307,607.00
State Street Corp	31 Dec, 2025	1,157,417	-7,533	-0.65%	$359,852,519.00
CITADEL ADVISORS LLC	31 Dec, 2025	990,275	19,277	1.99%	$307,886,400.00
BAILLIE GIFFORD & CO	31 Dec, 2025	876,325	-32,221	-3.55%	$272,458,205.00
RTW INVESTMENTS, LP	31 Dec, 2025	866,499	0	0.00%	$269,403,204.00
Jpmorgan Chase & Co	31 Dec, 2025	797,490	-889,904	-52.74%	$247,947,693.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	766,510	18,738	2.51%	$238,365,474.00
Clearbridge Investments, LLC	31 Dec, 2025	690,814	-66,694	-8.80%	$214,781,046.00
MILLENNIUM MANAGEMENT LLC	31 Dec, 2025	677,832	444,526	190.53%	$210,744,747.00
Invesco Ltd.	31 Dec, 2025	638,305	7,211	1.14%	$198,455,408.00
Goldman Sachs Group Inc	31 Dec, 2025	636,308	347,898	120.63%	$197,834,520.00
Champlain Investment Partners, LLC	31 Dec, 2025	601,804	-116,096	-16.17%	$187,106,882.00
Artisan Partners Limited Partnership	31 Dec, 2025	594,112	370,636	165.85%	$184,715,346.00
Morgan Stanley	31 Dec, 2025	525,507	-167,947	-24.22%	$163,386,028.00
Janus Henderson Group Plc	31 Dec, 2025	475,898	7,050	1.50%	$147,961,978.00
Holocene Advisors, LP	31 Dec, 2025	471,348	161,129	51.94%	$146,546,807.00
Capital World Investors	31 Dec, 2025	426,456	10,724	2.58%	$132,589,435.00
CONGRESS ASSET MANAGEMENT CO	31 Dec, 2025	382,350	-46,822	-10.91%	$118,876,439.00

1 - 20 of 423

Research Tools