Sei Investments CO Halozyme Therapeutics, Inc. Transaction History

Sei Investments CO

  • $89.6 Billion
  • Q3 2025

A detailed history of Sei Investments CO transactions in Halozyme Therapeutics, Inc. stock. As of the latest transaction made, Sei Investments CO holds 460,992 shares of HALO stock, worth $32.3 Million. This represents 0.04% of its overall portfolio holdings.

Number of Shares
460,992
Previous 411,378 12.06%
Holding current value
$32.3 Million
Previous $21.4 Million 57.99%
% of portfolio
0.04%
Previous 0.03%

Shares

35 transactions
Quarter Operation Price Per share shares change shares Held SEC Form
Q3 2025

Nov 13, 2025
BUY
$52.92 - $78.28 $2.63 Million - $3.88 Million
49,614 Added 12.06%
460,992 $33.8 Million
Q2 2025

Aug 14, 2025
BUY
$47.91 - $70.14 $10.3 Million - $15.1 Million
214,655 Added 109.12%
411,378 $21.4 Million
Q1 2025

May 14, 2025
SELL
$47.74 - $65.16 $1.06 Million - $1.44 Million
-22,132 Reduced 10.11%
196,723 $12.6 Million
Q1 2025

May 13, 2025
BUY
$47.74 - $65.16 $2.52 Million - $3.45 Million
52,890 Added 31.87%
218,855 $14 Million
Q4 2024

Feb 11, 2025
SELL
$42.57 - $61.09 $7.23 Million - $10.4 Million
-169,934 Reduced 50.59%
165,965 $7.93 Million
Q3 2024

Nov 12, 2024
BUY
$51.3 - $64.42 $599,697 - $753,069
11,690 Added 3.61%
335,899 $19.2 Million
Q2 2024

Aug 13, 2024
SELL
$37.81 - $52.4 $185,798 - $257,493
-4,914 Reduced 1.49%
324,209 $17 Million
Q1 2024

May 07, 2024
SELL
$33.68 - $41.95 $5.11 Million - $6.36 Million
-151,673 Reduced 31.55%
329,123 $13.4 Million
Q4 2023

Feb 14, 2024
SELL
$33.32 - $42.1 $1.58 Million - $1.99 Million
-47,304 Reduced 8.96%
480,796 $17.8 Million
Q3 2023

Nov 14, 2023
BUY
$36.46 - $44.03 $4.89 Million - $5.91 Million
134,129 Added 34.05%
528,100 $20.2 Million
Q2 2023

Aug 11, 2023
SELL
$30.28 - $38.74 $465,827 - $595,976
-15,384 Reduced 3.76%
393,971 $14.2 Million
Q1 2023

May 12, 2023
BUY
$32.86 - $55.7 $1.37 Million - $2.32 Million
41,578 Added 11.31%
409,355 $15.6 Million
Q4 2022

Feb 10, 2023
SELL
$40.06 - $59.44 $2.04 Million - $3.02 Million
-50,869 Reduced 12.15%
367,777 $20.9 Million
Q3 2022

Nov 14, 2022
BUY
$38.53 - $51.78 $987,485 - $1.33 Million
25,629 Added 6.52%
418,646 $16.6 Million
Q2 2022

Aug 15, 2022
SELL
$37.35 - $48.3 $640,701 - $828,538
-17,154 Reduced 4.18%
393,017 $17.3 Million
Q1 2022

May 13, 2022
SELL
$31.97 - $41.06 $1.07 Million - $1.37 Million
-33,482 Reduced 7.55%
410,171 $16.4 Million
Q4 2021

Feb 14, 2022
BUY
$31.82 - $40.75 $2.21 Million - $2.83 Million
69,515 Added 18.58%
443,653 $17.9 Million
Q3 2021

Nov 12, 2021
SELL
$38.47 - $46.42 $548,736 - $662,134
-14,264 Reduced 3.67%
374,138 $15.2 Million
Q2 2021

Aug 06, 2021
SELL
$38.84 - $51.31 $765,497 - $1.01 Million
-19,709 Reduced 4.83%
388,402 $17.6 Million
Q1 2021

May 12, 2021
BUY
$39.51 - $51.45 $3.96 Million - $5.16 Million
100,271 Added 32.57%
408,111 $17 Million
Q4 2020

Feb 08, 2021
SELL
$25.81 - $43.62 $5.82 Million - $9.84 Million
-225,650 Reduced 42.3%
307,840 $13.1 Million
Q3 2020

Dec 04, 2020
SELL
$25.74 - $29.63 $386 - $444
-15 Reduced -0.0%
533,490 $14 Million
Q3 2020

Nov 06, 2020
SELL
$25.74 - $29.63 $371,376 - $427,501
-14,428 Reduced 2.63%
533,505 $14 Million
Q2 2020

Aug 17, 2020
BUY
$16.25 - $26.81 $6.91 Million - $11.4 Million
424,997 Added 345.71%
547,933 $14.7 Million
Q2 2020

Aug 11, 2020
SELL
$16.25 - $26.81 $6.12 Million - $10.1 Million
-376,530 Reduced 75.39%
122,936 $2.43 Million
Q1 2020

May 14, 2020
BUY
$13.9 - $21.83 $5.65 Million - $8.87 Million
406,136 Added 435.16%
499,466 $8.96 Million
Q4 2019

Feb 06, 2020
SELL
$14.93 - $19.53 $798,172 - $1.04 Million
-53,461 Reduced 36.42%
93,330 $1.65 Million
Q3 2019

Nov 12, 2019
BUY
$15.2 - $17.69 $234,703 - $273,151
15,441 Added 11.76%
146,791 $2.28 Million
Q2 2019

Aug 14, 2019
SELL
$14.75 - $17.26 $328,113 - $383,948
-22,245 Reduced 14.48%
131,350 $2.26 Million
Q1 2019

May 15, 2019
SELL
$13.94 - $17.58 $3.11 Million - $3.92 Million
-222,744 Reduced 59.19%
153,595 $2.47 Million
Q3 2018

Nov 08, 2018
BUY
$16.68 - $18.41 $679,126 - $749,563
40,715 Added 12.13%
376,339 $6.84 Million
Q2 2018

Aug 03, 2018
BUY
$16.87 - $20.3 $195,354 - $235,074
11,580 Added 3.57%
335,624 $5.66 Million
Q1 2018

May 11, 2018
BUY
$17.06 - $21.2 $255,678 - $317,724
14,987 Added 4.85%
324,044 $6.35 Million
Q4 2017

Feb 08, 2018
SELL
$16.75 - $20.8 $221,183 - $274,664
-13,205 Reduced 4.1%
309,057 $6.26 Million
Q3 2017

Nov 06, 2017
BUY
$11.76 - $17.4 $3.79 Million - $5.61 Million
322,262
322,262 $5.6 Million

Others Institutions Holding HALO

# of Institutions
664
Shares Held
128M
Call Options Held
599K
Put Options Held
455K
View Full List

About HALOZYME THERAPEUTICS, INC.

HALO Quotes by TradingView
  • Ticker HALO
  • Exchange NASDAQ
  • Sector Healthcare
  • Industry Biotechnology
  • Shares Outstandng 139,288,992
  • Market Cap $9.75B
  • Description
  • Halozyme Therapeutics, Inc. operates as a biopharma technology platform company in the United States, Switzerland, Ireland, Belgium, Japan, and internationally. The company's products are based on the ENHANZE drug delivery technology, a patented recombinant human hyaluronidase enzyme (rHuPH20) that enables the subcutaneous delivery of injectable...
More about HALO
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