Walleye Trading LLC - PENUMBRA INC ownership

PENUMBRA INC's ticker is PEN and the CUSIP is 70975L107. A total of 284 filers reported holding PENUMBRA INC in Q4 2021. The put-call ratio across all filers is 0.67 and the average weighting 0.1%.

Quarter-by-quarter ownership
Walleye Trading LLC ownership history of PENUMBRA INC
ValueSharesWeighting
Q2 2024$526,592
-44.5%
2,926
-31.2%
0.00%0.0%
Q1 2024$949,185
-18.1%
4,253
-7.7%
0.00%
-33.3%
Q4 2023$1,159,348
-61.6%
4,609
-63.1%
0.00%
-62.5%
Q3 2023$3,018,795
-34.0%
12,479
-6.2%
0.01%
-42.9%
Q2 2023$4,575,998
+5.3%
13,300
-14.7%
0.01%
+40.0%
Q1 2023$4,347,564
-16.9%
15,600
-33.7%
0.01%
-33.3%
Q4 2022$5,232,927
+163.5%
23,523
+124.7%
0.02%
+150.0%
Q3 2022$1,986,000
+225.6%
10,470
+113.7%
0.01%
+200.0%
Q2 2022$610,000
+71.8%
4,900
+206.2%
0.00%
+100.0%
Q1 2022$355,000
+23.7%
1,600
+60.0%
0.00%0.0%
Q4 2021$287,000
-70.3%
1,000
-72.4%
0.00%
-66.7%
Q3 2021$967,0003,6290.00%
Other shareholders
PENUMBRA INC shareholders Q4 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