Mariner
PEN icon

Mariner’s Penumbra PEN Stock Holding History

Mariner’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
Q2 		$6.6M Sell
20,903
-1,746
-8% -$566K 0.01% 915
2026
Q1 		$7.44M Buy
22,649
+2,378
+12% +$805K 0.01% 880
2025
Q4 		$6.3M Sell
20,271
-6,648
-25% -$1.84M 0.01% 909
2025
Q3 		$6.82M Buy
26,919
+15,352
+133% +$3.87M 0.01% 785
2025
Q2 		$2.97M Buy
11,567
+1,699
+17% +$462K ﹤0.01% 1105
2025
Q1 		$2.64M Buy
9,868
+512
+5% +$138K ﹤0.01% 1092
2024
Q4 		$2.22M Buy
9,356
+464
+5% +$106K ﹤0.01% 1154
2024
Q3 		$1.73M Buy
8,892
+710
+9% +$134K ﹤0.01% 1273
2024
Q2 		$1.47M Sell
8,182
-507
-6% -$101K ﹤0.01% 1272
2024
Q1 		$1.94M Buy
8,689
+48
+0.6% +$11.9K ﹤0.01% 1120
2023
Q4 		$2.17M Buy
8,641
+109
+1% +$24.1K 0.01% 1020
2023
Q3 		$2.06M Buy
8,532
+210
+3% +$58.3K 0.01% 961
2023
Q2 		$2.86M Buy
8,322
+283
+4% +$86.9K 0.01% 843
2023
Q1 		$2.24M Sell
8,039
-78
-1% -$19.9K 0.01% 907
2022
Q4 		$1.81M Buy
8,117
+358
+5% +$70K 0.01% 977
2022
Q3 		$1.47M Buy
+7,759
New +$1.25M 0.01% 896
2019
Q3 		– Sell
-6,746
Closed -$1.08M – 945
2019
Q2 		$1.08M Buy
+6,746
New +$974K 0.01% 523
2017
Q3 		– Sell
-110,696
Closed -$9.71M – 517
2017
Q2 		$9.71M Sell
110,696
-6,174
-5% -$524K 0.46% 47
2017
Q1 		$9.75M Sell
116,870
-20,880
-15% -$1.58M 0.42% 49
2016
Q4 		$8.79M Hold
137,750
– – 0.41% 52
2016
Q3 		$10.5M Hold
137,750
– – 0.51% 40
2016
Q2 		$8.2M Buy
+137,750
New +$7.42M 0.44% 43

Other funds holding PEN

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
HI
HBK Investments Dallas, Texas $10.2B AUM 67.73% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
ECM
ExodusPoint Capital Management New York $15.5B AUM 38.81% 1-Year Est. Return
Balyasny Asset Management
Balyasny Asset Management Chicago, Illinois $80.2B AUM 51.53% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
Arrowstreet Capital
Arrowstreet Capital Boston, Massachusetts $225B AUM 49.49% 1-Year Est. Return

Mariner's PEN Position: Q2 2026 in Review

Mariner reduced its Penumbra (PEN) stake by 7.7% in Q2 2026, selling an estimated $566K and leaving 20,903 shares worth $6.6M. The position accounts for 0.01% of the portfolio, ranked #915.

Mariner first reported a position in PEN in Q2 2016 and has held it in 22 quarters since. The position peaked at $10.5M in Q3 2016. 452 funds tracked by Wall St. Rank hold PEN as of Q2 2026.

  • Mariner held 20,903 shares of Penumbra worth $6.6M as of Q2 2026.
  • Mariner sold 1,746 Penumbra shares in Q2 2026, an estimated $566K.
  • Penumbra made up 0.01% of Mariner's portfolio in Q2 2026, its #915 holding.
  • Mariner first reported a position in Penumbra in Q2 2016 and has held it in 22 quarters since.
  • Mariner's Penumbra position peaked at $10.5M in Q3 2016.
  • 452 funds tracked by Wall St. Rank held Penumbra as of Q2 2026.

Based on Mariner's 13F filing for Q2 2026, filed 13 Aug 2026.