Joel Greenblatt’s Penumbra PEN Stock Holding History

Joel Greenblatt’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	$10.1M	Buy	32,111 +23,236	+262%	+$7.53M	0.02%	786
2026 Q1	$2.91M	Buy	8,875 +8,137	+1,103%	+$2.76M	0.01%	1005
2025 Q4	$229K	Sell	738 -14,378	-95%	-$3.97M	﹤0.01%	1634
2025 Q3	$3.83M	Sell	15,116 -4,741	-24%	-$1.2M	0.02%	844
2025 Q2	$5.1M	Buy	19,857 +17,857	+893%	+$4.86M	0.03%	663
2025 Q1	$535K	Buy	2,000 +843	+73%	+$228K	﹤0.01%	1214
2024 Q4	$275K	Buy	+1,157	New	+$263K	﹤0.01%	1293
2024 Q3	–	Sell	-17,105	Closed	-$3.08M	–	1501
2024 Q2	$3.08M	Buy	17,105 +12,237	+251%	+$2.44M	0.04%	567
2024 Q1	$1.09M	Buy	4,868 +4,069	+509%	+$1.01M	0.02%	823
2023 Q4	$201K	Buy	+799	New	+$177K	﹤0.01%	1251
2023 Q3	–	Sell	-2,148	Closed	-$739K	–	1395
2023 Q2	$739K	Buy	2,148 +1,206	+128%	+$370K	0.02%	857
2023 Q1	$263K	Buy	+942	New	+$240K	0.01%	1172
2018 Q4	–	Sell	-3,280	Closed	-$491K	–	1075
2018 Q3	$491K	Sell	3,280 -2,548	-44%	-$357K	0.01%	739
2018 Q2	$805K	Buy	5,828 +292	+5%	+$41.6K	0.01%	615
2018 Q1	$640K	Buy	+5,536	New	+$572K	0.01%	683

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

Joel Greenblatt's PEN Position: Q2 2026 in Review

Joel Greenblatt increased its Penumbra (PEN) stake by 262% in Q2 2026, buying an estimated $7.53M and bringing the position to 32,111 shares worth $10.1M. The position accounts for 0.02% of the portfolio, ranked #786.

Joel Greenblatt first reported a position in PEN in Q1 2018 and has held it in 15 quarters since. 448 funds tracked by Wall St. Rank hold PEN as of Q2 2026.

Joel Greenblatt held 32,111 shares of Penumbra worth $10.1M as of Q2 2026.
Joel Greenblatt bought 23,236 Penumbra shares in Q2 2026, an estimated $7.53M.
Penumbra made up 0.02% of Joel Greenblatt's portfolio in Q2 2026, its #786 holding.
Joel Greenblatt first reported a position in Penumbra in Q1 2018 and has held it in 15 quarters since.
448 funds tracked by Wall St. Rank held Penumbra as of Q2 2026.

Based on Gotham Asset Management's 13F filing for Q2 2026, filed 14 Aug 2026.