Penumbra PEN Institutional Ownership

NYSE PEN

$319.59 +0.33 (+0.10%)

As of: Sep 9, 2026 · 12:08 PM EDT

Institutions by Trading Activity

452 Institutions

Increased 196 43.4%

Unchanged 74 16.4%

Reduced 182 40.3%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

87.70%

▲+1.14 pp QoQ

Shares Held by Institutions

34.51Mn

of 39.35Mn outstanding

▲+8.77% QoQ

Shares Outstanding

39.35Mn

4.84Mn held outside 13F filers

Institutional Investors

452

filed 13F for Jun 2026

▼-28 vs prior quarter

Net Shares Added (QoQ)

+2.78Mn

accumulated since last quarter

Value of Holdings

$11.12Bn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Quarter ending 30 Jun, 2026

Penumbra Inc (NYSE:PEN) has 452 institutional investors with active 13F positions as of June 2026.

These investors held 87.7% of outstanding shares in June 2026, up from 86.6% in March 2026.
They increased total shares held in PEN by 8.77% quarter over quarter, and investors in Penumbra stayed flat from a year ago.
Activity in PEN broke down as 196 buyers, 182 sellers, and 74 unchanged among 452 total holders.
Combined, these investors held 34.51Mn shares in PEN for June 2026, up by 2.78Mn shares quarter on quarter, and down 748.43K shares year over year.
As of June 30, 2026, BlackRock, Inc. held the largest stake in Penumbra with 4.3Mn shares, accounting for 10.92% of total shares outstanding.
The most significant purchases of PEN for the quarter ending June 2026 came from NORGES BANK (752.24K), Jpmorgan Chase & Co (668.84K), ExodusPoint Capital Management, LP (625.22K), ARROWSTREET CAPITAL, LIMITED PARTNERSHIP (434.74K), TWO SIGMA INVESTMENTS, LP (369.91K).
The largest sellers of Penumbra for the quarter ending June 2026 were MILLENNIUM MANAGEMENT LLC (397.52K), CONGRESS ASSET MANAGEMENT CO (305.15K), FMR LLC (285.1K), Invesco Ltd. (274.22K), Champlain Investment Partners, LLC (272.35K).
Per Business Quant data, the top 10 holders of Penumbra for the quarter ending June 2026 are BlackRock, Inc. (4.3Mn), HBK INVESTMENTS L P (1.84Mn), VANGUARD CAPITAL MANAGEMENT LLC (1.71Mn), VANGUARD PORTFOLIO MANAGEMENT LLC (1.67Mn), State Street Corp (1.24Mn), ExodusPoint Capital Management, LP (1.09Mn), BALYASNY ASSET MANAGEMENT L.P. (1.09Mn), Jpmorgan Chase & Co (1.07Mn), Goldman Sachs Group Inc (847.1K), ARROWSTREET CAPITAL, LIMITED PARTNERSHIP (834.9K).

Form 13F Holdings

452 Institutional Holders

Report period 30 Jun, 2026

Total shares held 34.51Mn

Of outstanding 87.70%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	BlackRock, Inc.	0002012383	4,297,555	10.92%	▼32,901	-0.76%	$1.36Bn
2	HBK INVESTMENTS L P	0001011443	1,838,508	4.67%	▲204,247	+12.50%	$580.51Mn
3	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	1,709,877	4.34%	▲15,389	+0.91%	$539.89Mn
4	VANGUARD PORTFOLIO MANAGEMENT LLC	0002100121	1,667,276	4.24%	▲12,799	+0.77%	$526.44Mn
5	State Street Corp	0000093751	1,243,258	3.16%	▲57,447	+4.84%	$392.56Mn
6	ExodusPoint Capital Management, LP	0001736225	1,090,430	2.77%	▲625,215	+134.39%	$344.30Mn
7	BALYASNY ASSET MANAGEMENT L.P.	0001218710	1,090,163	2.77%	▲328,067	+43.05%	$344.22Mn
8	Jpmorgan Chase & Co	0000019617	1,071,454	2.72%	▲668,835	+166.12%	$338.56Mn
9	Goldman Sachs Group Inc	0000886982	847,104	2.15%	▲126,529	+17.56%	$267.47Mn
10	ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	0001164508	834,903	2.12%	▲434,743	+108.64%	$263.62Mn
11	GEODE CAPITAL MANAGEMENT, LLC	0001214717	796,471	2.02%	▲1,023	+0.13%	$251.55Mn
12	NORGES BANK	0001374170	752,242	1.91%	▲752,242	0.00%	$237.52Mn
13	UBS Group AG	0001610520	703,822	1.79%	▲143,487	+25.61%	$222.23Mn
14	MILLENNIUM MANAGEMENT LLC	0001273087	700,611	1.78%	▼397,525	-36.20%	$221.22Mn
15	Morgan Stanley	0000895421	591,824	1.50%	▲190,468	+47.46%	$186.87Mn
16	AQR Arbitrage LLC	0001167456	563,873	1.43%	▲140,800	+33.28%	$178.04Mn
17	WHITEBOX ADVISORS LLC	0001257391	506,881	1.29%	▲61,880	+13.91%	$160.05Mn
18	Capital World Investors	0001422849	479,701	1.22%	▲28,886	+6.41%	$151.47Mn
19	CITADEL ADVISORS LLC	0001423053	448,763	1.14%	▲246,038	+121.37%	$141.70Mn
20	Neuberger Berman Group LLC	0001465109	438,553	1.11%	▲134,932	+44.44%	$138.47Mn

Showing 1 to 20 of 452 holders