Penumbra Ownership | Who Owns Penumbra?
Penumbra Ownership Summary
Penumbra is owned by 91.31% institutional investors, 3.60% insiders, and 5.09% 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 3.23% of its assets in Penumbra shares.
PEN Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Penumbra | 91.31% | 3.60% | 5.09% |
| Sector | Healthcare Stocks | 488.30% | 11.08% | -399.38% |
| Industry | Medical Device Stocks | 52.25% | 10.55% | 37.19% |
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 | 4.21M | 10.85% | $1.08B |
| 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 | 863.55K | 2.22% | $221.61M |
| Baillie gifford | 730.23K | 1.89% | $173.42M |
| Clearbridge investments | 663.95K | 1.72% | $157.67M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Pfm health sciences, lp | 166.26K | 3.67% | $42.67M |
| Rtw investments, lp | 863.55K | 3.16% | $221.61M |
| Oak harbor wealth partners | 33.61K | 2.32% | $7.98M |
| Champlain investment partners | 1.50M | 2.25% | $355.26M |
| Carret asset management | 77.00K | 2.11% | $19.76M |
| Rock springs capital management lp | 128.50K | 2.05% | $32.98M |
| Exome asset management | 9.00K | 1.46% | $2.31M |
| Braidwell lp | 129.63K | 1.14% | $33.27M |
| Next century growth investors | 49.74K | 0.99% | $12.77M |
| Bellevue group | 174.05K | 0.98% | $44.67M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Norges bank | 229.05K | 0.01% | 229.05K |
| Qube research | 209.71K | 0.05% | 209.71K |
| Blackrock | 4.26M | 0.02% | 193.91K |
| Baillie gifford | 730.23K | 0.13% | 138.39K |
| Steadfast capital management lp | 95.00K | 0.44% | 95.00K |
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 |
| T. rowe price investment management | 7.95K | 0.00% | -625.66K |
| Holocene advisors, lp | - | - | -402.34K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Norges bank | 229.05K | 0.01% | 229.05K | $54.40M |
| Qube research | 209.71K | 0.05% | 209.71K | $53.82M |
| Steadfast capital management lp | 95.00K | 0.44% | 95.00K | $24.38M |
| Acadian asset management | 64.59K | 0.03% | 64.59K | $16.57M |
| Tudor investment corp et al | 58.19K | 0.03% | 58.19K | $14.93M |
Sold Out
| Holder | Change |
|---|---|
| Innealta capital | -1.00 |
| Sjs investment consulting | -1.00 |
| Dinuzzo private wealth | -1.00 |
| Stephens consulting | -1.00 |
| Newsquare capital | -1.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Jun 30, 2025 | 466 | 5.67% | 35,458,549 | 3.11% | 91 | 1.15% | 251 | 5.02% | 143 | 10.85% |
| 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% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| iShares Core S&P Mid-Cap ETF | 1.26M | 3.23% | - |
| Vanguard US Total Market Shares ETF | 1.16M | 3.02% | 924.00 |
| Vanguard Total Stock Mkt Idx Inv | 1.16M | 2.96% | -24.39K |
| Fidelity Select Health Care | 1.12M | 2.87% | 40.00K |
| Fidelity Select Medical Tech and Devcs | 925.00K | 2.37% | 78.00K |
| Vanguard Small Cap Index | 893.06K | 2.29% | -5.87K |
| US Small-Cap Growth II Equity Comp | 807.21K | 2.08% | -1.98K |
| Fidelity Advisor Health Care I | 628.00K | 1.61% | 20.00K |
| Strategic Advisers Fidelity US TtlStk | 627.50K | 1.61% | 23.00K |
| T. Rowe Price Health Sciences | 616.65K | 1.58% | -22.49K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Oct 02, 2025 | Grewal Harpreet | - | Sell | $46.24K |
| Oct 01, 2025 | Roberts Johanna | EVP, Gen. Counsel & Secretary | Sell | $7.84K |
| Oct 01, 2025 | Roberts Johanna | EVP, Gen. Counsel & Secretary | Sell | $5.85K |
| Oct 01, 2025 | Roberts Johanna | EVP, Gen. Counsel & Secretary | Sell | $8.60K |
| Oct 01, 2025 | Roberts Johanna | EVP, Gen. Counsel & Secretary | Sell | $8.64K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2025 Q4 | - | 15 |
| 2025 Q3 | - | 48 |
| 2025 Q2 | - | 104 |
| 2025 Q1 | - | 59 |
| 2024 Q4 | - | 36 |
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