Question 1

How many shares of PEN does MILLENNIUM MANAGEMENT LLC own?

Accepted Answer

As of 2026-Q1, MILLENNIUM MANAGEMENT LLC holds 1.1M shares of PEN (PENUMBRA INC).

Question 2

What is MILLENNIUM MANAGEMENT LLC's PEN position worth?

Accepted Answer

As of 2026-Q1, MILLENNIUM MANAGEMENT LLC's PEN position is worth $360.6M.

Question 3

Is MILLENNIUM MANAGEMENT LLC buying or selling PEN?

Accepted Answer

In 2026-Q1, MILLENNIUM MANAGEMENT LLC increased their PEN position (+62.0% change in shares).

Question 4

When did MILLENNIUM MANAGEMENT LLC first buy PEN?

Accepted Answer

Based on available 13F filings, MILLENNIUM MANAGEMENT LLC first reported a position in PEN in 2024-Q2. They have held the position across 15 quarters.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q1 Latest	Increased	1.1M	+62.0%	$360.6M	0.2%	$340.16	54
2025-Q4	Increased	677,832	+190.5%	$210.7M	0.1%	$314.27	49
2025-Q3	Increased	233,306	+242.1%	$59.1M	0.0%	$251.65	48
2025-Q2	Decreased	68,209	-54.1%	$17.5M	0.0%	$256.43	0
2025-Q1	Increased	148,564	+4353.4%	$39.7M	0.0%	$267.56	47
2024-Q4	Decreased	3,336	-36.5%	$792,233	0.0%	$238.18	0
2024-Q3	Decreased	5,249	-95.0%	$1M	0.0%	$191.55	0
2024-Q2	Increased	105,171	+11.8%	$18.9M	0.0%	$179.97	32

PENShowing 8 of 15 quarters

PEN
Showing 8 of 15 quarters