Janus Henderson Group
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Janus Henderson Group’s Halozyme HALO Stock Holding History

Janus Henderson Group’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 		$79.7M Buy
1,233,658
+369,702
+43% +$26.1M 0.04% 321
2025
Q4 		$58.1M Sell
863,956
-94,073
-10% -$6.33M 0.03% 384
2025
Q3 		$70.3M Buy
958,029
+47,635
+5% +$3.16M 0.03% 345
2025
Q2 		$47.4M Buy
910,394
+195,667
+27% +$11.1M 0.02% 398
2025
Q1 		$45.6M Buy
714,727
+12,642
+2% +$734K 0.03% 397
2024
Q4 		$33.6M Buy
702,085
+156,912
+29% +$8.05M 0.02% 474
2024
Q3 		$31.2M Buy
545,173
+31,871
+6% +$1.83M 0.02% 489
2024
Q2 		$26.9M Sell
513,302
-17,823
-3% -$782K 0.01% 510
2024
Q1 		$21.6M Buy
531,125
+102,911
+24% +$3.86M 0.01% 551
2023
Q4 		$15.8M Buy
428,214
+1,274
+0.3% +$48K 0.01% 588
2023
Q3 		$16.3M Sell
426,940
-1,031
-0.2% -$42.2K 0.01% 574
2023
Q2 		$15.4M Sell
427,971
-93
-0% -$3.17K 0.01% 602
2023
Q1 		$16.3M Sell
428,064
-216,078
-34% -$10.1M 0.01% 614
2022
Q4 		$36.7M Sell
644,142
-734,930
-53% -$37.6M 0.03% 441
2022
Q3 		$54.5M Buy
1,379,072
+691,032
+100% +$30.5M 0.02% 495
2022
Q2 		$30.3M Sell
688,040
-41,735
-6% -$1.81M 0.02% 499
2022
Q1 		$29.1M Buy
729,775
+58,204
+9% +$2.07M 0.01% 657
2021
Q4 		$27M Buy
671,571
+13,176
+2% +$492K 0.01% 710
2021
Q3 		$26.8M Buy
658,395
+6,539
+1% +$273K 0.01% 724
2021
Q2 		$29.6M Sell
651,856
-31,313
-5% -$1.39M 0.01% 692
2021
Q1 		$28.5M Sell
683,169
-116,241
-15% -$5.31M 0.01% 693
2020
Q4 		$34.1M Sell
799,410
-89,893
-10% -$3.23M 0.02% 631
2020
Q3 		$23.4M Buy
+889,303
New +$24.8M 0.01% 677

Other funds holding HALO

BlackRock
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
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return
Boston Partners
Boston Partners Boston, Massachusetts $95.5B AUM 28.4% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
William Blair Investment Management
William Blair Investment Management Chicago, Illinois $30.3B AUM 33.75% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Janus Henderson Group's HALO Position: Q1 2026 in Review

Janus Henderson Group increased its Halozyme (HALO) stake by 43% in Q1 2026, buying an estimated $26.1M and bringing the position to 1,233,658 shares worth $79.7M. The position accounts for 0.04% of the portfolio, ranked #321.

Janus Henderson Group first reported a position in HALO in Q3 2020 and has held it in 23 quarters since. 634 funds tracked by Wall St. Rank hold HALO as of Q1 2026.

  • Janus Henderson Group held 1,233,658 shares of Halozyme worth $79.7M as of Q1 2026.
  • Janus Henderson Group bought 369,702 Halozyme shares in Q1 2026, an estimated $26.1M.
  • Halozyme made up 0.04% of Janus Henderson Group's portfolio in Q1 2026, its #321 holding.
  • Janus Henderson Group first reported a position in Halozyme in Q3 2020 and has held it in 23 quarters since.
  • 634 funds tracked by Wall St. Rank held Halozyme as of Q1 2026.

Based on Janus Henderson Group's 13F filing for Q1 2026, filed 15 May 2026.