RI
PEN icon

RTW Investments’s Penumbra PEN Stock Holding History

RTW Investments’s Portfolio PEN Stock Details PEN Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		– Sell
-866,499
Closed -$269M – 95
2025
Q4 		$269M Hold
866,499
– – 2.7% 10
2025
Q3 		$220M Buy
866,499
+2,946
+0.3% +$743K 2.7% 10
2025
Q2 		$222M Buy
863,553
+783
+0.1% +$213K 3.16% 11
2025
Q1 		$231M Buy
862,770
+320
+0% +$86.6K 3.53% 9
2024
Q4 		$205M Buy
862,450
+66,700
+8% +$15.2M 3.1% 12
2024
Q3 		$155M Buy
795,750
+53,645
+7% +$10.1M 2.24% 19
2024
Q2 		$134M Buy
742,105
+66,217
+10% +$13.2M 2.07% 19
2024
Q1 		$151M Buy
675,888
+13,224
+2% +$3.27M 2.23% 17
2023
Q4 		$167M Sell
662,664
-10,707
-2% -$2.37M 2.6% 15
2023
Q3 		$163M Hold
673,371
– – 3.44% 10
2023
Q2 		$232M Hold
673,371
– – 4.41% 9
2023
Q1 		$188M Sell
673,371
-25,000
-4% -$6.38M 3.91% 8
2022
Q4 		$155M Hold
698,371
– – 3.17% 13
2022
Q3 		$132M Hold
698,371
– – 3.05% 9
2022
Q2 		$87M Buy
698,371
+32,500
+5% +$5.16M 2.25% 14
2022
Q1 		$148M Buy
665,871
+45,000
+7% +$10M 3.06% 9
2021
Q4 		$178M Buy
620,871
+235,677
+61% +$62.3M 2.6% 9
2021
Q3 		$103M Buy
+385,194
New +$104M 1.55% 23
2021
Q1 		– Sell
-118,273
Closed -$20.7M – 114
2020
Q4 		$20.7M Buy
+118,273
New +$25.9M 0.35% 58

Other funds holding PEN

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
HI
HBK Investments Dallas, Texas $9.85B AUM 55.6% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return
Baillie Gifford & Co
Baillie Gifford & Co Edinburgh, United Kingdom $97.9B AUM 20.73% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Balyasny Asset Management
Balyasny Asset Management Chicago, Illinois $77.1B AUM 42.89% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return