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Congress Asset Management’s Halozyme HALO Stock Holding History

Congress Asset Management’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 		$96.2M Sell
1,229,106
-51,486
-4% -$3.51M 0.59% 63
2026
Q1 		$82.8M Sell
1,280,592
-21,588
-2% -$1.52M 0.59% 60
2025
Q4 		$87.6M Sell
1,302,180
-134,353
-9% -$9.04M 0.62% 54
2025
Q3 		$105M Sell
1,436,533
-398,878
-22% -$26.5M 0.7% 51
2025
Q2 		$95.5M Sell
1,835,411
-297,296
-14% -$16.9M 0.65% 52
2025
Q1 		$136M Buy
2,132,707
+172,971
+9% +$10M 1.02% 26
2024
Q4 		$93.7M Sell
1,959,736
-473,843
-19% -$24.3M 0.63% 70
2024
Q3 		$139M Buy
2,433,579
+1,988,238
+446% +$114M 0.95% 30
2024
Q2 		$23.3M Buy
445,341
+37,474
+9% +$1.64M 0.17% 121
2024
Q1 		$16.6M Buy
407,867
+56,791
+16% +$2.13M 0.12% 140
2023
Q4 		$13M Buy
351,076
+47,359
+16% +$1.78M 0.1% 153
2023
Q3 		$11.6M Buy
303,717
+14,613
+5% +$599K 0.1% 153
2023
Q2 		$10.4M Buy
+289,104
New +$9.86M 0.09% 165

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

Congress Asset Management's HALO Position: Q2 2026 in Review

Congress Asset Management reduced its Halozyme (HALO) stake by 4% in Q2 2026, selling an estimated $3.51M and leaving 1,229,106 shares worth $96.2M. The position accounts for 0.59% of the portfolio, ranked #63.

Congress Asset Management first reported a position in HALO in Q2 2023 and has held it in 13 quarters since. The position peaked at $139M in Q3 2024. 668 funds tracked by Wall St. Rank hold HALO as of Q2 2026.

  • Congress Asset Management held 1,229,106 shares of Halozyme worth $96.2M as of Q2 2026.
  • Congress Asset Management sold 51,486 Halozyme shares in Q2 2026, an estimated $3.51M.
  • Halozyme made up 0.59% of Congress Asset Management's portfolio in Q2 2026, its #63 holding.
  • Congress Asset Management first reported a position in Halozyme in Q2 2023 and has held it in 13 quarters since.
  • Congress Asset Management's Halozyme position peaked at $139M in Q3 2024.
  • 668 funds tracked by Wall St. Rank held Halozyme as of Q2 2026.

Based on Congress Asset Management's 13F filing for Q2 2026, filed 7 Jul 2026.