Rock Springs Capital Management LP - PENUMBRA INC ownership

PENUMBRA INC's ticker is PEN and the CUSIP is 70975L107. A total of 312 filers reported holding PENUMBRA INC in Q1 2023. The put-call ratio across all filers is 0.43 and the average weighting 0.2%.

Quarter-by-quarter ownership
Rock Springs Capital Management LP ownership history of PENUMBRA INC
ValueSharesWeighting
Q3 2023$121,862,163
-3.2%
503,750
+37.6%
3.26%
+8.9%
Q2 2023$125,925,960
+4.2%
366,000
-15.6%
3.00%
+4.0%
Q1 2023$120,812,115
+6.9%
433,500
-14.7%
2.88%
+5.9%
Q4 2022$113,065,295
+25.3%
508,250
+6.8%
2.72%
+16.7%
Q3 2022$90,250,000
+80.5%
476,000
+18.6%
2.33%
+60.2%
Q2 2022$49,995,000
+10.1%
401,500
+96.3%
1.46%
+27.3%
Q1 2022$45,426,000
+6.5%
204,500
+37.7%
1.14%
+15.9%
Q4 2021$42,667,000
+8.5%
148,500
+0.7%
0.99%
+19.2%
Q3 2021$39,309,000
-2.8%
147,5000.0%0.83%
+3.5%
Q2 2021$40,424,000
+1.3%
147,5000.0%0.80%
-8.3%
Q1 2021$39,911,000
+43.4%
147,500
-7.2%
0.87%
+47.6%
Q4 2020$27,825,000
-10.0%
159,0000.0%0.59%
-24.7%
Q3 2020$30,906,000
-16.5%
159,000
-23.2%
0.78%
-22.8%
Q2 2020$37,016,000
+2.0%
207,000
-8.0%
1.02%
-32.4%
Q1 2020$36,299,000
-8.9%
225,000
-7.2%
1.50%
+19.2%
Q4 2019$39,835,000
+22.1%
242,5000.0%1.26%
-3.2%
Q3 2019$32,614,000
-14.7%
242,500
+1.5%
1.30%
-6.0%
Q2 2019$38,240,000
+15.6%
239,000
+6.2%
1.38%
+8.5%
Q1 2019$33,077,000
+20.3%
225,0000.0%1.28%
-1.8%
Q4 2018$27,495,000
-21.9%
225,000
-4.3%
1.30%
+1.8%
Q3 2018$35,209,000
+7.6%
235,200
-0.7%
1.28%
+1.3%
Q2 2018$32,707,000
+16.4%
236,750
-2.6%
1.26%
+5.0%
Q1 2018$28,103,000
-3.8%
243,000
-21.7%
1.20%
-9.6%
Q4 2017$29,218,000
+4.2%
310,5000.0%1.33%
+2.5%
Q3 2017$28,038,000
+2.9%
310,5000.0%1.29%
-6.0%
Q2 2017$27,246,000
+5.2%
310,5000.0%1.38%
-8.0%
Q1 2017$25,911,000
+37.4%
310,500
+5.1%
1.50%
+18.5%
Q4 2016$18,853,000
-6.9%
295,500
+10.9%
1.26%
-0.6%
Q3 2016$20,251,000
+40.3%
266,500
+9.9%
1.27%
+18.8%
Q2 2016$14,429,000
+37.3%
242,500
+6.1%
1.07%
+21.2%
Q1 2016$10,511,000
-4.7%
228,500
+11.5%
0.88%
+5.4%
Q4 2015$11,031,000
+41.1%
205,000
+5.1%
0.84%
+31.7%
Q3 2015$7,820,000195,0000.64%
Other shareholders
PENUMBRA INC shareholders Q1 2023
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