Atika Capital Management’s Penumbra PEN Stock Holding History

Atika Capital 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
2024 Q2	–	Sell	-33,000	Closed	-$7.36M	–	111
2024 Q1	$7.36M	Hold	33,000	–	–	0.73%	51
2023 Q4	$8.3M	Sell	33,000 -4,500	-12%	-$995K	1.11%	35
2023 Q3	$9.07M	Buy	+37,500	New	+$10.4M	1.19%	40
2022 Q4	–	Sell	-76,000	Closed	-$14.4M	–	99
2022 Q3	$14.4M	Buy	+76,000	New	+$12.2M	1.22%	33
2019 Q2	–	Sell	-24,000	Closed	-$3.53M	–	87
2019 Q1	$3.53M	Buy	+24,000	New	+$3.43M	0.72%	53
2018 Q3	–	Sell	-22,500	Closed	-$3.11M	–	100
2018 Q2	$3.11M	Sell	22,500 -6,000	-21%	-$854K	0.6%	64
2018 Q1	$3.3M	Buy	+28,500	New	+$2.94M	1.13%	37

Other funds holding PEN

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return

CIP

Champlain Investment Partners Burlington, Vermont $7.88B AUM 6.82% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

William Blair Investment Management Chicago, Illinois $30.3B AUM 33.75% 1-Year Est. Return

ClearBridge Investments New York $115B AUM 24.78% 1-Year Est. Return

RTW Investments New York $10B AUM 135.35% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Atika Capital Management's PEN Position: Q2 2024 in Review

Atika Capital Management sold out of Penumbra (PEN) in Q2 2024, closing a stake of 33,000 shares — an estimated $7.36M sold.

Atika Capital Management first reported a position in PEN in Q1 2018 and held it in 7 quarters. The position peaked at $14.4M in Q3 2022. 341 funds tracked by Wall St. Rank hold PEN as of Q2 2024.

Atika Capital Management reported no remaining Penumbra position as of Q2 2024 after selling out during the quarter.
Atika Capital Management sold 33,000 Penumbra shares in Q2 2024, an estimated $7.36M.
Atika Capital Management first reported a position in Penumbra in Q1 2018 and held it in 7 quarters.
Atika Capital Management's Penumbra position peaked at $14.4M in Q3 2022.
341 funds tracked by Wall St. Rank held Penumbra as of Q2 2024.

Based on Atika Capital Management's 13F filing for Q2 2024, filed 13 Aug 2024.