Penumbra Ownership | Who Owns Penumbra?

Overview Forecast RevenueFinancials Chart Transcripts

Penumbra Ownership Summary

Penumbra is owned by 89.60% institutional investors, 3.51% insiders, and 6.88% retail investors. Fmr is the largest institutional shareholder, holding 15.07% of PEN shares. iShares Core S&P Mid-Cap ETF is the top mutual fund, with 3.26% of its assets in Penumbra shares.

PEN Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Penumbra	89.60%	3.51%	6.88%
Sector	Healthcare Stocks	279.15%	10.63%	-189.78%
Industry	Medical Device Stocks	32.07%	10.57%	57.35%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Fmr	5.82M	15.07%	$1.38B
Blackrock	4.26M	10.99%	$765.80M
Blackrock funding, inc. /de	4.11M	10.64%	$975.90M
Vanguard group	3.65M	9.45%	$866.95M
Champlain investment partners	1.50M	3.87%	$355.26M
Price t rowe associates inc /md/	1.27M	3.28%	$300.58M
State street	1.23M	3.18%	$221.87M
Rtw investments, lp	742.11K	1.92%	$133.56M
Baillie gifford	730.23K	1.89%	$173.42M
T. rowe price investment management	707.06K	1.83%	$167.91M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Pfm health sciences, lp	166.26K	2.45%	$39.48M
Oak harbor wealth partners	33.61K	2.32%	$7.98M
Champlain investment partners	1.50M	2.25%	$355.26M
Rock springs capital management lp	240.00K	2.17%	$57.00M
Rtw investments, lp	742.11K	2.07%	$133.56M
Carret asset management	79.00K	2.05%	$18.76M
Exome asset management	9.00K	1.61%	$2.14M
Braidwell lp	183.83K	1.29%	$43.66M
Bellevue group	238.05K	1.09%	$56.53M
Congress asset management co /ma	608.96K	0.98%	$144.62M

Top Buyers

Holder	Shares	% Assets	Change
Norges bank	229.05K	0.01%	229.05K
T. rowe price investment management	707.06K	0.10%	227.51K
Blackrock	4.26M	0.02%	193.91K
Baillie gifford	730.23K	0.13%	138.39K
Adage capital partners gp	100.50K	0.04%	100.50K

Top Sellers

Holder	Shares	% Assets	Change
Capital research global investors	-	-	-1.13M
William blair investment management	-	-	-883.10K
Price t rowe associates inc /md/	1.27M	0.03%	-719.57K
Eagle asset management	-	-	-327.93K
Jpmorgan chase	131.03K	0.00%	-253.11K

New Positions

Holder	Shares	% Assets	Change	Value
Norges bank	229.05K	0.01%	229.05K	$54.40M
Adage capital partners gp	100.50K	0.04%	100.50K	$23.87M
Wcm investment management	56.47K	0.03%	56.47K	$13.45M
First trust advisors lp	41.96K	0.01%	41.96K	$9.97M
Susquehanna fundamental investments	33.58K	0.11%	33.58K	$7.98M

Sold Out

Holder	Change
Harbor investment advisory	-1.00
Sjs investment consulting	-1.00
Dinuzzo private wealth	-1.00
Innealta capital	-1.00
Jfs wealth advisors	-2.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Mar 31, 2025	440	15.49%	34,552,725	-1.08%	89	1.09%	237	24.74%	130	-2.99%
Dec 31, 2024	188	-46.29%	15,184,979	-56.57%	39	0.48%	87	-42.00%	67	-53.15%
Sep 30, 2024	346	-3.89%	34,876,344	-1.99%	90	1.07%	147	-25.76%	142	33.96%
Jun 30, 2024	357	-2.99%	35,576,747	6.43%	91	1.21%	196	7.10%	105	-1.87%
Mar 31, 2024	368	0.55%	33,426,131	-2.90%	87	1.09%	183	3.98%	107	-13.71%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
iShares Core S&P Mid-Cap ETF	1.26M	3.26%	656.00
Vanguard Total Stock Mkt Idx Inv	1.18M	3.04%	3.32K
Vanguard US Total Market Shares ETF	1.16M	3.02%	924.00
Fidelity Select Health Care	1.08M	2.79%	-5.00K
Vanguard Small Cap Index	922.88K	2.38%	4.28K
Fidelity Select Medical Tech and Devcs	819.75K	2.12%	-5.25K
US Small-Cap Growth II Equity Comp	807.21K	2.08%	-1.98K
T. Rowe Price Health Sciences	639.14K	1.65%	78.70K
Fidelity Advisor Health Care I	618.00K	1.60%	-10.00K
Strategic Advisers Fidelity US TtlStk	609.90K	1.57%	-3.00K

Recent Insider Transactions

Date	Name	Role	Activity	Value
Jul 23, 2025	Elsesser Adam	CEO and President	Sell	$912.05K
Jul 23, 2025	Elsesser Adam	CEO and President	Sell	$2.01M
Jul 23, 2025	Elsesser Adam	CEO and President	Sell	$842.33K
Jul 09, 2025	Elsesser Adam	CEO and President	Sell	$336.32K
Jul 09, 2025	Elsesser Adam	CEO and President	Sell	$301.00K

Insider Transactions Trends

Date	Buy	Sell
2025 Q3	-	20
2025 Q2	-	104
2025 Q1	-	59
2024 Q4	-	36
2024 Q3	-	32

PEN Ownership FAQ

Who Owns Penumbra?

Penumbra shareholders are primarily institutional investors at 89.60%, followed by 3.51% insiders and 6.89% retail investors. The average institutional ownership in Penumbra's industry, Medical Device Stocks, is 32.07%, which Penumbra exceeds.

Who owns the most shares of Penumbra?

Penumbra’s largest shareholders are Fmr (5.82M shares, 15.07%), Blackrock (4.26M shares, 10.99%), and Blackrock funding, inc. /de (4.11M shares, 10.64%). Together, they hold 36.70% of Penumbra’s total shares outstanding.

Does Blackrock own Penumbra?

Yes, BlackRock owns 10.99% of Penumbra, totaling 4.26M shares as of Jun 2024. This represents 0.02% of BlackRock's total assets, with a market value of 765.8M$. In the last quarter, BlackRock increased its holdings by 193.91K shares, a 4.77% change.

Who is Penumbra’s biggest shareholder by percentage of total assets invested?

Pfm health sciences, lp is Penumbra’s biggest shareholder by percentage of total assets invested, with 2.45% of its assets in 166.26K Penumbra shares, valued at 39.48M$.

Who is the top mutual fund holder of Penumbra shares?

iShares Core S&P Mid-Cap ETF is the top mutual fund holder of Penumbra shares, with 3.26% of its total shares outstanding invested in 1.26M Penumbra shares.

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