AIM
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Aigen Investment Management’s Penumbra PEN Stock Holding History

Aigen Investment Management’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
2025
Q4 		– Sell
-3,062
Closed -$776K – 890
2025
Q3 		$776K Buy
3,062
+326
+12% +$82.2K 0.12% 261
2025
Q2 		$702K Buy
2,736
+1,099
+67% +$299K 0.1% 320
2025
Q1 		$438K Sell
1,637
-515
-24% -$139K 0.07% 384
2024
Q4 		$511K Buy
+2,152
New +$489K 0.09% 324
2024
Q3 		– Sell
-3,605
Closed -$649K – 947
2024
Q2 		$649K Buy
3,605
+2,367
+191% +$473K 0.13% 230
2024
Q1 		$276K Sell
1,238
-1,207
-49% -$298K 0.06% 463
2023
Q4 		$615K Buy
2,445
+1,582
+183% +$350K 0.11% 268
2023
Q3 		$209K Buy
+863
New +$240K 0.04% 656
2021
Q3 		– Sell
-2,037
Closed -$558K – 611
2021
Q2 		$558K Buy
+2,037
New +$556K 0.1% 216
2020
Q3 		– Sell
-1,948
Closed -$348K – 1057
2020
Q2 		$348K Buy
+1,948
New +$338K 0.04% 571
2020
Q1 		– Sell
-7,055
Closed -$1.16M – 1486
2019
Q4 		$1.16M Buy
+7,055
New +$1.12M 0.19% 145

Other funds holding PEN

Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
BlackRock
BlackRock New York $5.7T AUM 30.48% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $141B AUM 30.34% 1-Year Est. Return
Baillie Gifford & Co
Baillie Gifford & Co Edinburgh, United Kingdom $97.9B AUM 20.73% 1-Year Est. Return
RI
RTW Investments New York $10B AUM 135.35% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.47T AUM 27.86% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return