Holocene Advisors’s Penumbra PEN Stock Holding History

Holocene Advisors’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	$40.4M	Buy	128,012 +17,398	+16%	+$5.64M	0.09%	215
2026 Q1	$36.3M	Sell	110,614 -360,734	-77%	-$122M	0.09%	215
2025 Q4	$147M	Buy	471,348 +161,129	+52%	+$44.5M	0.31%	93
2025 Q3	$78.6M	Buy	+310,219	New	+$78.2M	0.18%	136
2025 Q2	–	Sell	-402,336	Closed	-$108M	–	848
2025 Q1	$108M	Buy	402,336 +392,232	+3,882%	+$106M	0.31%	98
2024 Q4	$2.4M	Sell	10,104 -30,517	-75%	-$6.94M	0.01%	530
2024 Q3	$7.89M	Buy	+40,621	New	+$7.68M	0.03%	275
2022 Q2	–	Sell	-6,058	Closed	-$1.35M	–	955
2022 Q1	$1.35M	Buy	6,058 +846	+16%	+$188K	0.01%	631
2021 Q4	$1.5M	Sell	5,212 -1,926	-27%	-$509K	0.01%	610
2021 Q3	$1.9M	Buy	7,138 +2,501	+54%	+$672K	0.01%	570
2021 Q2	$1.27M	Buy	+4,637	New	+$1.27M	0.01%	640
2020 Q3	–	Sell	-4,528	Closed	-$810K	–	760
2020 Q2	$810K	Buy	4,528 +2,639	+140%	+$458K	0.01%	455
2020 Q1	$305K	Sell	1,889 -4,368	-70%	-$736K	﹤0.01%	603
2019 Q4	$1.03M	Buy	6,257 +550	+10%	+$87.5K	0.01%	564
2019 Q3	$768K	Buy	5,707 +3,384	+146%	+$523K	0.01%	542
2019 Q2	$372K	Buy	+2,323	New	+$335K	﹤0.01%	534
2019 Q1	–	Sell	-3,169	Closed	-$387K	–	765
2018 Q4	$387K	Buy	3,169 +1,381	+77%	+$185K	0.01%	482
2018 Q3	$268K	Buy	+1,788	New	+$250K	﹤0.01%	661

Other funds holding PEN

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

HBK Investments Dallas, Texas $10.2B AUM 67.73% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

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 Chicago, Illinois $80.2B AUM 51.53% 1-Year Est. Return

JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return

Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

Arrowstreet Capital Boston, Massachusetts $225B AUM 49.49% 1-Year Est. Return

Holocene Advisors's PEN Position: Q2 2026 in Review

Holocene Advisors increased its Penumbra (PEN) stake by 16% in Q2 2026, buying an estimated $5.64M and bringing the position to 128,012 shares worth $40.4M. The position accounts for 0.09% of the portfolio, ranked #215.

Holocene Advisors first reported a position in PEN in Q3 2018 and has held it in 18 quarters since. The position peaked at $147M in Q4 2025. 452 funds tracked by Wall St. Rank hold PEN as of Q2 2026.

Holocene Advisors held 128,012 shares of Penumbra worth $40.4M as of Q2 2026.
Holocene Advisors bought 17,398 Penumbra shares in Q2 2026, an estimated $5.64M.
Penumbra made up 0.09% of Holocene Advisors's portfolio in Q2 2026, its #215 holding.
Holocene Advisors first reported a position in Penumbra in Q3 2018 and has held it in 18 quarters since.
Holocene Advisors's Penumbra position peaked at $147M in Q4 2025.
452 funds tracked by Wall St. Rank held Penumbra as of Q2 2026.

Based on Holocene Advisors's 13F filing for Q2 2026, filed 14 Aug 2026.