Millennium Management’s Halozyme HALO Stock Holding History

Millennium Management’s Portfolio HALO Stock Details HALO Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	–	Sell	-50,000	Closed	-$3.37M	–	5972
2025 Q4	$3.37M	Buy	+50,000	New	+$3.36M	﹤0.01%	3431
2017 Q1	–	Sell	-111,200	Closed	-$1.1M	–	3625
2016 Q4	$1.1M	Buy	111,200 +66,200	+147%	+$725K	﹤0.01%	2198
2016 Q3	$544K	Buy	+45,000	New	+$460K	﹤0.01%	2565

Other funds holding HALO

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

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

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

Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return

Boston Partners Boston, Massachusetts $95.5B AUM 28.4% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

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

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

Millennium Management's HALO Position: Q1 2026 in Review

Millennium Management reduced its Halozyme (HALO) stake by 68% in Q1 2026, selling an estimated $70M and leaving 471,284 shares worth $30.5M. The position accounts for 0.01% of the portfolio, ranked #1216.

Millennium Management first reported a position in HALO in Q2 2013 and has held it in 47 quarters since. The position peaked at $124M in Q2 2015. 634 funds tracked by Wall St. Rank hold HALO as of Q1 2026.

Millennium Management held 471,284 shares of Halozyme worth $30.5M as of Q1 2026.
Millennium Management sold 992,664 Halozyme shares in Q1 2026, an estimated $70M.
Halozyme made up 0.01% of Millennium Management's portfolio in Q1 2026, its #1216 holding.
Millennium Management first reported a position in Halozyme in Q2 2013 and has held it in 47 quarters since.
Millennium Management's Halozyme position peaked at $124M in Q2 2015.
634 funds tracked by Wall St. Rank held Halozyme as of Q1 2026.

Based on Millennium Management's 13F filing for Q1 2026, filed 15 May 2026.