WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC - PENUMBRA INC ownership

PENUMBRA INC's ticker is PEN and the CUSIP is 70975L107. A total of 271 filers reported holding PENUMBRA INC in Q4 2020. The put-call ratio across all filers is 2.24 and the average weighting 0.1%.

Quarter-by-quarter ownership
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC ownership history of PENUMBRA INC
ValueSharesWeighting
Q3 2023$158,926,161
-31.1%
656,964
-2.0%
0.53%
-28.6%
Q2 2023$230,618,601
-12.0%
670,286
-28.7%
0.74%
-19.0%
Q1 2023$262,172,601
-0.9%
940,732
-20.9%
0.91%
-9.7%
Q4 2022$264,498,266
+33.0%
1,188,970
+13.4%
1.01%
+28.8%
Q3 2022$198,798,000
+64.1%
1,048,513
+7.8%
0.79%
+75.1%
Q2 2022$121,117,000
-36.5%
972,675
+13.3%
0.45%
-21.2%
Q1 2022$190,739,000
-39.7%
858,683
-22.0%
0.57%
-33.3%
Q4 2021$316,498,000
+74.2%
1,101,554
+61.5%
0.86%
+66.7%
Q3 2021$181,732,000
-4.0%
681,922
-1.3%
0.51%
-13.6%
Q2 2021$189,293,000
-19.3%
690,700
-20.3%
0.59%
-21.7%
Q1 2021$234,472,000
+0.3%
866,553
-35.2%
0.76%
-2.6%
Q4 2020$233,846,000
-2.0%
1,336,263
+8.9%
0.78%
-16.2%
Q3 2020$238,579,000
+4.9%
1,227,385
-3.5%
0.93%
+0.4%
Q2 2020$227,426,000
+11.3%
1,271,813
+0.4%
0.93%
-6.8%
Q1 2020$204,281,000
+2.1%
1,266,233
+3.9%
0.99%
+24.7%
Q4 2019$200,112,000
+26.9%
1,218,187
+3.9%
0.80%
+18.1%
Q3 2019$157,729,000
+2.8%
1,172,792
+22.3%
0.68%
+4.8%
Q2 2019$153,376,000
+51.9%
958,597
+39.6%
0.64%
+51.5%
Q1 2019$100,968,000
+19.6%
686,813
-0.6%
0.42%
+1.4%
Q4 2018$84,428,000690,9020.42%
Other shareholders
PENUMBRA INC shareholders Q4 2020
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