XTX Topco’s Halozyme HALO Stock Holding History

XTX Topco’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	$563K	Buy	7,196 +1,585	+28%	+$108K	0.01%	2341
2026 Q1	$363K	Buy	+5,611	New	+$396K	0.01%	2316
2025 Q4	–	Sell	-21,340	Closed	-$1.57M	–	3493
2025 Q3	$1.57M	Sell	21,340 -8,568	-29%	-$569K	0.08%	311
2025 Q2	$1.56M	Buy	29,908 +11,538	+63%	+$657K	0.06%	436
2025 Q1	$1.17M	Buy	18,370 +3,911	+27%	+$227K	0.06%	473
2024 Q4	$691K	Buy	+14,459	New	+$741K	0.06%	510
2023 Q4	–	Sell	-28,504	Closed	-$1.09M	–	1788
2023 Q3	$1.09M	Buy	28,504 +21,950	+335%	+$899K	0.19%	82
2023 Q2	$236K	Buy	+6,554	New	+$224K	0.04%	894
2021 Q2	–	Sell	-13,874	Closed	-$578K	–	920
2021 Q1	$578K	Buy	+13,874	New	+$633K	0.28%	61

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

XTX Topco's HALO Position: Q2 2026 in Review

XTX Topco increased its Halozyme (HALO) stake by 28% in Q2 2026, buying an estimated $108K and bringing the position to 7,196 shares worth $563K. The position accounts for 0.01% of the portfolio, ranked #2341.

XTX Topco first reported a position in HALO in Q1 2021 and has held it in 9 quarters since. The position peaked at $1.57M in Q3 2025. 671 funds tracked by Wall St. Rank hold HALO as of Q2 2026.

XTX Topco held 7,196 shares of Halozyme worth $563K as of Q2 2026.
XTX Topco bought 1,585 Halozyme shares in Q2 2026, an estimated $108K.
Halozyme made up 0.01% of XTX Topco's portfolio in Q2 2026, its #2341 holding.
XTX Topco first reported a position in Halozyme in Q1 2021 and has held it in 9 quarters since.
XTX Topco's Halozyme position peaked at $1.57M in Q3 2025.
671 funds tracked by Wall St. Rank held Halozyme as of Q2 2026.

Based on XTX Topco's 13F filing for Q2 2026, filed 14 Aug 2026.