SEI Investments’s Halozyme HALO Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$29.6M Sell
457,783
-443,361
-49% -$31.3M 0.03% 621
2025
Q4
$60.6M Buy
901,144
+440,152
+95% +$29.6M 0.06% 335
2025
Q3
$33.8M Buy
460,992
+49,614
+12% +$3.3M 0.04% 505
2025
Q2
$21.4M Buy
411,378
+214,655
+109% +$12.2M 0.02% 664
2025
Q1
$12.6M Buy
196,723
+30,758
+19% +$1.79M 0.02% 885
2024
Q4
$7.93M Sell
165,965
-169,934
-51% -$8.71M 0.01% 1077
2024
Q3
$19.2M Buy
335,899
+11,690
+4% +$670K 0.03% 679
2024
Q2
$17M Sell
324,209
-4,914
-1% -$216K 0.02% 672
2024
Q1
$13.4M Sell
329,123
-151,673
-32% -$5.69M 0.02% 790
2023
Q4
$17.8M Sell
480,796
-47,304
-9% -$1.78M 0.03% 621
2023
Q3
$20.2M Buy
528,100
+134,129
+34% +$5.49M 0.04% 533
2023
Q2
$14.2M Sell
393,971
-15,384
-4% -$525K 0.02% 705
2023
Q1
$15.6M Buy
409,355
+41,578
+11% +$1.95M 0.03% 637
2022
Q4
$20.9M Sell
367,777
-50,869
-12% -$2.6M 0.05% 436
2022
Q3
$16.6M Buy
418,646
+25,629
+7% +$1.13M 0.04% 536
2022
Q2
$17.3M Sell
393,017
-17,154
-4% -$742K 0.04% 515
2022
Q1
$16.4M Sell
410,171
-33,482
-8% -$1.19M 0.03% 563
2021
Q4
$17.9M Buy
443,653
+69,515
+19% +$2.6M 0.03% 522
2021
Q3
$15.2M Sell
374,138
-14,264
-4% -$596K 0.03% 560
2021
Q2
$17.6M Sell
388,402
-19,709
-5% -$872K 0.04% 459
2021
Q1
$17M Buy
408,111
+100,271
+33% +$4.58M 0.04% 433
2020
Q4
$13.1M Sell
307,840
-225,650
-42% -$8.11M 0.03% 520
2020
Q3
$14M Sell
533,490
-14,443
-3% -$402K 0.04% 416
2020
Q2
$14.7M Buy
547,933
+48,467
+10% +$1.09M 0.05% 391
2020
Q1
$8.96M Buy
499,466
+406,136
+435% +$7.71M 0.03% 507
2019
Q4
$1.65M Sell
93,330
-53,461
-36% -$926K ﹤0.01% 1428
2019
Q3
$2.28M Buy
146,791
+15,441
+12% +$254K 0.01% 1271
2019
Q2
$2.26M Sell
131,350
-22,245
-14% -$359K 0.01% 1281
2019
Q1
$2.47M Sell
153,595
-222,744
-59% -$3.61M 0.01% 1224
2018
Q4
$6.84M Hold
376,339
0.02% 728
2018
Q3
$6.84M Buy
376,339
+40,715
+12% +$713K 0.02% 709
2018
Q2
$5.66M Buy
335,624
+11,580
+4% +$219K 0.02% 864
2018
Q1
$6.35M Buy
324,044
+14,987
+5% +$290K 0.02% 718
2017
Q4
$6.26M Sell
309,057
-13,205
-4% -$243K 0.02% 806
2017
Q3
$5.6M Sell
322,262
-12,763
-4% -$173K 0.02% 838
2017
Q2
$4.29M Buy
335,025
+25,300
+8% +$338K 0.02% 905
2017
Q1
$4.01M Buy
309,725
+2,605
+0.8% +$32.9K 0.02% 896
2016
Q4
$3.03M Buy
307,120
+48,235
+19% +$528K 0.01% 984
2016
Q3
$3.13M Buy
258,885
+35,605
+16% +$364K 0.02% 897
2016
Q2
$1.93M Buy
223,280
+4,515
+2% +$44.6K 0.01% 1008
2016
Q1
$2.07M Buy
218,765
+5,420
+3% +$51K 0.01% 961
2015
Q4
$3.7M Sell
213,345
-25,046
-11% -$399K 0.02% 761
2015
Q3
$3.2M Buy
238,391
+133,718
+128% +$2.68M 0.03% 606
2015
Q2
$2.36M Buy
104,673
+41,460
+66% +$729K 0.02% 696
2015
Q1
$903K Buy
+63,213
New +$912K 0.01% 1003

Other funds holding HALO

SEI Investments's HALO Position: Q1 2026 in Review

SEI Investments reduced its Halozyme (HALO) stake by 49% in Q1 2026, selling an estimated $31.3M and leaving 457,783 shares worth $29.6M. The position accounts for 0.03% of the portfolio, ranked #621.

SEI Investments first reported a position in HALO in Q1 2015 and has held it in 45 quarters since. The position peaked at $60.6M in Q4 2025. 634 funds tracked by Wall St. Rank hold HALO as of Q1 2026.

  • SEI Investments held 457,783 shares of Halozyme worth $29.6M as of Q1 2026.
  • SEI Investments sold 443,361 Halozyme shares in Q1 2026, an estimated $31.3M.
  • Halozyme made up 0.03% of SEI Investments's portfolio in Q1 2026, its #621 holding.
  • SEI Investments first reported a position in Halozyme in Q1 2015 and has held it in 45 quarters since.
  • SEI Investments's Halozyme position peaked at $60.6M in Q4 2025.
  • 634 funds tracked by Wall St. Rank held Halozyme as of Q1 2026.

Based on SEI Investments's 13F filing for Q1 2026, filed 13 May 2026.