Boston Partners
HALO icon

Boston Partners’s Halozyme HALO Stock Holding History

Boston Partners’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 		$217M Buy
2,773,568
+89,885
+3% +$6.13M 0.19% 153
2026
Q1 		$173M Buy
2,683,683
+2,196,614
+451% +$155M 0.18% 169
2025
Q4 		$33.1M Buy
487,069
+42,266
+10% +$2.84M 0.03% 313
2025
Q3 		$32.1M Sell
444,803
-4,563
-1% -$303K 0.03% 323
2025
Q2 		$24M Buy
449,366
+33,041
+8% +$1.88M 0.03% 340
2025
Q1 		$26.2M Buy
416,325
+8,341
+2% +$485K 0.03% 295
2024
Q4 		$20M Sell
407,984
-163,963
-29% -$8.41M 0.02% 329
2024
Q3 		$32.4M Sell
571,947
-157,200
-22% -$9.01M 0.04% 275
2024
Q2 		$38.2M Buy
729,147
+98,779
+16% +$4.33M 0.05% 261
2024
Q1 		$25.5M Buy
630,368
+77,976
+14% +$2.92M 0.03% 300
2023
Q4 		$20.2M Buy
552,392
+468,977
+562% +$17.7M 0.03% 326
2023
Q3 		$3.19M Buy
+83,415
New +$3.42M ﹤0.01% 446

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
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
SCM
Snyder Capital Management San Francisco, California $5.79B AUM 33.56% 1-Year Est. Return

Boston Partners's HALO Position: Q2 2026 in Review

Boston Partners increased its Halozyme (HALO) stake by 3.3% in Q2 2026, buying an estimated $6.13M and bringing the position to 2,773,568 shares worth $217M. The position accounts for 0.19% of the portfolio, ranked #153.

Boston Partners first reported a position in HALO in Q3 2023 and has held it in 12 quarters since. 668 funds tracked by Wall St. Rank hold HALO as of Q2 2026.

  • Boston Partners held 2,773,568 shares of Halozyme worth $217M as of Q2 2026.
  • Boston Partners bought 89,885 Halozyme shares in Q2 2026, an estimated $6.13M.
  • Halozyme made up 0.19% of Boston Partners's portfolio in Q2 2026, its #153 holding.
  • Boston Partners first reported a position in Halozyme in Q3 2023 and has held it in 12 quarters since.
  • 668 funds tracked by Wall St. Rank held Halozyme as of Q2 2026.

Based on Boston Partners's 13F filing for Q2 2026, filed 4 Aug 2026.