Rossby Financial’s Halozyme HALO Stock Holding History

Rossby Financial’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	$13K	Buy	166 +4	+2%	+$273	﹤0.01%	1104
2026 Q1	$10.6K	Buy	162 +158	+3,950%	+$11.1K	﹤0.01%	1232
2025 Q4	$269	Buy	+4	New	+$269	﹤0.01%	1723

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

Rossby Financial's HALO Position: Q2 2026 in Review

Rossby Financial increased its Halozyme (HALO) stake by 2.5% in Q2 2026, buying an estimated $273 and bringing the position to 166 shares worth $13K. The position accounts for ﹤0.01% of the portfolio, ranked #1104.

Rossby Financial first reported a position in HALO in Q4 2025 and has held it in 3 quarters since. 671 funds tracked by Wall St. Rank hold HALO as of Q2 2026.

Rossby Financial held 166 shares of Halozyme worth $13K as of Q2 2026.
Rossby Financial bought 4 Halozyme shares in Q2 2026, an estimated $273.
Halozyme made up ﹤0.01% of Rossby Financial's portfolio in Q2 2026, its #1104 holding.
Rossby Financial first reported a position in Halozyme in Q4 2025 and has held it in 3 quarters since.
671 funds tracked by Wall St. Rank held Halozyme as of Q2 2026.

Based on Rossby Financial's 13F filing for Q2 2026, filed 4 Aug 2026.