CSS LLC’s Halozyme HALO Stock Holding History

CSS LLC’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 Q2	$510K	Sell	6,520 -135	-2%	-$9.21K	0.02%	551
2026 Q1	$430K	Buy	+6,655	New	+$469K	0.02%	570
2023 Q3	–	Sell	-10,700	Closed	-$386K	–	864
2023 Q2	$386K	Buy	+10,700	New	+$365K	0.02%	475

Other funds holding HALO

BlackRock New York $6.73T AUM 46.02% 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

Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Boston Partners Boston, Massachusetts $113B AUM 38.87% 1-Year Est. Return

Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

William Blair Investment Management Chicago, Illinois $33.3B AUM 44.76% 1-Year Est. Return

CSS LLC's HALO Position: Q2 2026 in Review

CSS LLC reduced its Halozyme (HALO) stake by 2% in Q2 2026, selling an estimated $9.21K and leaving 6,520 shares worth $510K. The position accounts for 0.02% of the portfolio, ranked #551.

CSS LLC first reported a position in HALO in Q2 2023 and has held it in 3 quarters since. 672 funds tracked by Wall St. Rank hold HALO as of Q2 2026.

CSS LLC held 6,520 shares of Halozyme worth $510K as of Q2 2026.
CSS LLC sold 135 Halozyme shares in Q2 2026, an estimated $9.21K.
Halozyme made up 0.02% of CSS LLC's portfolio in Q2 2026, its #551 holding.
CSS LLC first reported a position in Halozyme in Q2 2023 and has held it in 3 quarters since.
672 funds tracked by Wall St. Rank held Halozyme as of Q2 2026.

Based on CSS LLC's 13F filing for Q2 2026, filed 14 Aug 2026.