Caitlin John’s Halozyme HALO Stock Holding History

Caitlin John’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	$278K	Sell	4,302 -2,609	-38%	-$184K	0.17%	121
2025 Q4	$465K	Buy	+6,911	New	+$465K	0.3%	74

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

Caitlin John's HALO Position: Q1 2026 in Review

Caitlin John reduced its Halozyme (HALO) stake by 38% in Q1 2026, selling an estimated $184K and leaving 4,302 shares worth $278K. The position accounts for 0.17% of the portfolio, ranked #121.

Caitlin John first reported a position in HALO in Q4 2025 and has held it in 2 quarters since. The position peaked at $465K in Q4 2025. 634 funds tracked by Wall St. Rank hold HALO as of Q1 2026.

Caitlin John held 4,302 shares of Halozyme worth $278K as of Q1 2026.
Caitlin John sold 2,609 Halozyme shares in Q1 2026, an estimated $184K.
Halozyme made up 0.17% of Caitlin John's portfolio in Q1 2026, its #121 holding.
Caitlin John first reported a position in Halozyme in Q4 2025 and has held it in 2 quarters since.
Caitlin John's Halozyme position peaked at $465K in Q4 2025.
634 funds tracked by Wall St. Rank held Halozyme as of Q1 2026.

Based on Caitlin John's 13F filing for Q1 2026, filed 13 May 2026.