Penumbra
432 hedge funds and large institutions have $11.4B invested in Penumbra in 2025 Q4 according to their latest regulatory filings, with 77 funds opening new positions, 123 increasing their positions, 176 reducing their positions, and 55 closing their positions.
New
Increased
Maintained
Reduced
Closed
more call options, than puts
Call options by funds: $ | Put options by funds: $
more funds holding in top 10
Funds holding in top 10: →
more first-time investments, than exits
New positions opened: | Existing positions closed:
more capital invested
Capital invested by funds: $ → $
3% more funds holding
Funds holding: 419 → 432 (+13)
0.89% more ownership
Funds ownership: 93.04% → 93.93% (+0.89%)
30% less repeat investments, than reductions
Existing positions increased: 123 | Existing positions reduced: 176
Holders
432
Holding in Top 10
6
Calls
$53M
Puts
$14.6M
Top Buyers
| 1 | +$123M | |
| 2 | +$102M | |
| 3 | +$95.6M | |
| 4 |
SC
Samlyn Capital
New York
|
+$58.8M |
| 5 |
WP
Woodline Partners
San Francisco,
California
|
+$56.1M |
Top Sellers
| 1 | -$210M | |
| 2 | -$46.4M | |
| 3 | -$44.2M | |
| 4 |
T. Rowe Price Associates
Baltimore,
Maryland
|
-$41.5M |
| 5 |
CIP
Champlain Investment Partners
Burlington,
Vermont
|
-$32.1M |