PEN in the 13F filings
Penumbra Inc · CUSIP 70975L107
- Quarter end
- 31 Dec 2023
- the date the book describes
- Filed
- 5 Nov 2026
- latest of these filings; the earliest 26 Jan 2024
- Managers listing it
- 11
- at least, of 95 tracked, among listed positions
- Comparable managers
- 93
- filed both Q3 2023 and Q4 2023; 10 listed it in both
- Shares listed
- 13,251,424
- combined, among listed positions
- Reported value
- $3.3bn
- combined, at the quarter end
Among the 93 comparable managers: 6 buyers (opened or added shares) and 5 sellers (trimmed or exited), at least, among listed positions. Their net change in shares is not known from listed positions, because at least one of them lists it in only one of the two quarters.
Managers listing PEN in Q4 2023
Share of 13F value is the position’s reported value over everything the manager reported that quarter. The share change is against Q3 2023, and only where both filings list the position. A rise in value with no rise in shares is the price, not buying.
11 of 11 holders
| Action | Filing | |||||
|---|---|---|---|---|---|---|
| Fidelity (FMR LLC) | 5,789,454 | $1.5bn | 0.11% | Added | +772,470 | 5 Nov 2026 (the filing on sec.gov) |
| T. Rowe Price Associates Inc | 3,104,590 | $781m | 0.10% | Added | +1,140,807 | 16 Feb 2024 (the filing on sec.gov) |
| Capital Research Global Investors | 2,677,789 | $674m | 0.17% | Added | +279 | 13 Feb 2024 (the filing on sec.gov) |
| Baillie Gifford & Co | 647,953 | $163m | 0.13% | Trimmed | -31,674 | 26 Jan 2024 (the filing on sec.gov) |
| Capital World Investors | 543,274 | $137m | under 0.1% | Held | 0 | 13 Feb 2024 (the filing on sec.gov) |
| Janus Henderson Group Ltd | 257,325 | $65m | under 0.1% | Trimmed | -13,158 | 14 Feb 2024 (the filing on sec.gov) |
| Artisan Partners LP | 146,218 | $37m | 0.06% | Added | +45,983 | 12 Feb 2024 (the filing on sec.gov) |
| Bridgewater Associates LP | 38,941 | $9.8m | 0.05% | Added | +21,800 | 14 Feb 2024 (the filing on sec.gov) |
| ExodusPoint Capital Management LP | 29,344 | $7.4m | under 0.1% | New | new | 14 Feb 2024 (the filing on sec.gov) |
| Soros Fund Management LLC | 15,000 | $3.8m | under 0.1% | Trimmed | -7,500 | 14 Feb 2024 (the filing on sec.gov) |
| PDT Partners LLC | 1,536 | $386k | under 0.1% | Trimmed | -2,275 | 14 Feb 2024 (the filing on sec.gov) |
Largest increases and reductions, by shares
Q3 2023 to Q4 2023, among managers that listed it in both quarters or opened it.
Increases
- T. Rowe Price Associates Incexisting position · 3,104,590 shares now+1,140,807
- Fidelity (FMR LLC)existing position · 5,789,454 shares now+772,470
- Artisan Partners LPexisting position · 146,218 shares now+45,983
- ExodusPoint Capital Management LPnew position · 29,344 shares now+29,344
- Bridgewater Associates LPexisting position · 38,941 shares now+21,800
Reductions
- Baillie Gifford & Coexisting position · 647,953 shares now-31,674
- Janus Henderson Group Ltdexisting position · 257,325 shares now-13,158
- Soros Fund Management LLCexisting position · 15,000 shares now-7,500
- PDT Partners LLCexisting position · 1,536 shares now-2,275
New positions and exits
At least these many: a manager is shown exiting only where its own filing shows the position gone.
New (1)
Exited (1)
- Woodline Partners LPwas $11m
Ownership over time
Every quarter on file. A quarter-end value moves with the price as well as with the shares held; buyers and sellers count comparable managers, by shares.
10 in Q3 2024 to 17 in Q2 2026
Tracked managers listing it, at least.
the quarter shown share split complete books; unmarked quarters rest on listed positionsClick a quarter to open it.
| Quarter | Holders | Reported value | Buyers | Sellers |
|---|---|---|---|---|
| Q3 2015 | 3 | $19m | n.a. | n.a. |
| Q4 2015 | 2 | $26m | n.a. | n.a. |
| Q1 2016 | 2 | $13m | n.a. | n.a. |
| Q2 2016 | 2 | $52m | n.a. | n.a. |
| Q3 2016 | 5 | $448m | n.a. | n.a. |
| Q4 2016 | 5 | $409m | n.a. | n.a. |
| Q1 2017 | 6 | $565m | n.a. | n.a. |
| Q2 2017 | 5 | $578m | n.a. | n.a. |
| Q3 2017 | 6 | $613m | n.a. | n.a. |
| Q4 2017 | 4 | $625m | n.a. | n.a. |
| Q1 2018 | 5 | $785m | n.a. | n.a. |
| Q2 2018 | 11 | $955m | n.a. | n.a. |
| Q3 2018 | 9 | $998m | n.a. | n.a. |
| Q4 2018 | 9 | $1.2bn | n.a. | n.a. |
| Q1 2019 | 9 | $1.6bn | n.a. | n.a. |
| Q2 2019 | 10 | $1.8bn | n.a. | n.a. |
| Q3 2019 | 8 | $1.4bn | n.a. | n.a. |
| Q4 2019 | 9 | $1.4bn | n.a. | n.a. |
| Q1 2020 | 11 | $1.6bn | n.a. | n.a. |
| Q2 2020 | 10 | $1.8bn | n.a. | n.a. |
| Q3 2020 | 13 | $2.3bn | n.a. | n.a. |
| Q4 2020 | 10 | $2.5bn | n.a. | n.a. |
| Q1 2021 | 14 | $3.6bn | n.a. | n.a. |
| Q2 2021 | 12 | $3.3bn | n.a. | n.a. |
| Q3 2021 | 13 | $3.3bn | n.a. | n.a. |
| Q4 2021 | 13 | $3.5bn | n.a. | n.a. |
| Q1 2022 | 9 | $2.5bn | n.a. | n.a. |
| Q2 2022 | 9 | $1.3bn | n.a. | n.a. |
| Q3 2022 | 11 | $2.0bn | n.a. | n.a. |
| Q4 2022 | 13 | $2.6bn | n.a. | n.a. |
| Q1 2023 | 9 | $3.5bn | n.a. | n.a. |
| Q2 2023 | 19 | $4.2bn | n.a. | n.a. |
| Q3 2023 | 14 | $2.8bn | n.a. | n.a. |
| Q4 2023 | 11 | $3.3bn | 6 | 5 |
| Q1 2024 | 11 | $2.6bn | 3 | 8 |
| Q2 2024 | 10 | $2.0bn | 6 | 5 |
| Q3 2024 | 10 | $2.0bn | 6 | 4 |
| Q4 2024 | 11 | $2.4bn | 7 | 4 |
| Q1 2025 | 14 | $2.9bn | 9 | 4 |
| Q2 2025 | 15 | $2.7bn | 11 | 6 |
| Q3 2025 | 10 | $2.9bn | 6 | 6 |
| Q4 2025 | 16 | $3.8bn | 18 | 13 |
| Q1 2026 | 20 | $2.1bn | 23 | 15 |
| Q2 2026 | 17 | $2.2bn | 18 | 18 |
Compare with…
Holders over time, buyers and sellers, and the managers holding both, side by side for up to four stocks.
PEN and LLY →PEN and JNJ →PEN and VRTX →Choose a stock to compare with PEN →
How much of the picture this is
A 13F is a manager’s long US-listed equity book at a quarter end, filed up to 45 days later. It shows no shorts, cash, bonds or performance, and it is never today’s portfolio. Large books are listed to their largest positions, so a manager missing from this table may still hold a small position below that line. These are 95 tracked managers, not the institutional market.
Which funds own PEN, latest filings →Back to the 13F Explorer →