Atom Investors LP - PENUMBRA INC ownership

PENUMBRA INC's ticker is PEN and the CUSIP is 70975L107. A total of 280 filers reported holding PENUMBRA INC in Q3 2021. The put-call ratio across all filers is 1.15 and the average weighting 0.1%.

Quarter-by-quarter ownership
Atom Investors LP ownership history of PENUMBRA INC
ValueSharesWeighting
Q2 2021$535,000
-79.5%
1,952
-79.8%
0.07%
-84.7%
Q1 2021$2,612,000
-8.4%
9,653
-50.2%
0.44%
+81.3%
Q1 2019$2,851,000
+18.0%
19,396
-1.9%
0.24%
+1.3%
Q4 2018$2,416,00019,7700.24%
Other shareholders
PENUMBRA INC shareholders Q3 2021
NameSharesValueWeighting ↓
RTW INVESTMENTS, LP 673,371$162,895,1793.44%
Rock Springs Capital Management LP 503,750$121,862,1633.26%
OAK HARBOR WEALTH PARTNERS, LLC 34,357$8,311,3022.94%
CARRET ASSET MANAGEMENT, LLC 79,000$19,110,8902.66%
PFM Health Sciences, LP 192,406$46,544,9352.19%
Redmile Group, LLC 155,076$37,514,4351.78%
F/M Investments LLC 8,461$2,046,8011.53%
NEXT CENTURY GROWTH INVESTORS LLC 52,513$12,703,4191.38%
Atika Capital Management LLC 37,500$9,071,6251.19%
Prosight Management, LP 13,500$3,265,7851.04%
View complete list of PENUMBRA INC shareholders