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Round Rock Advisors’s Halozyme HALO Stock Holding History

Round Rock Advisors’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 		$420K Hold
5,362
– – 0.05% 238
2026
Q1 		$347K Buy
5,362
+103
+2% +$7.26K 0.05% 245
2025
Q4 		$354K Sell
5,259
-1,550
-23% -$104K 0.05% 250
2025
Q3 		$499K Buy
+6,809
New +$452K 0.08% 173

Other funds holding HALO

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Boston Partners
Boston Partners Boston, Massachusetts $113B AUM 38.87% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
William Blair Investment Management
William Blair Investment Management Chicago, Illinois $33.3B AUM 44.76% 1-Year Est. Return

Round Rock Advisors's HALO Position: Q2 2026 in Review

Round Rock Advisors held its Halozyme (HALO) position steady in Q2 2026 at 5,362 shares worth $420K. The position accounts for 0.05% of the portfolio, ranked #238.

Round Rock Advisors first reported a position in HALO in Q3 2025 and has held it in 4 quarters since. The position peaked at $499K in Q3 2025. 671 funds tracked by Wall St. Rank hold HALO as of Q2 2026.

  • Round Rock Advisors held 5,362 shares of Halozyme worth $420K as of Q2 2026.
  • Round Rock Advisors left its Halozyme share count unchanged in Q2 2026.
  • Halozyme made up 0.05% of Round Rock Advisors's portfolio in Q2 2026, its #238 holding.
  • Round Rock Advisors first reported a position in Halozyme in Q3 2025 and has held it in 4 quarters since.
  • Round Rock Advisors's Halozyme position peaked at $499K in Q3 2025.
  • 671 funds tracked by Wall St. Rank held Halozyme as of Q2 2026.

Based on Round Rock Advisors's 13F filing for Q2 2026, filed 12 Aug 2026.