A detailed history of Weiss Asset Management LP transactions in Halozyme Therapeutics, Inc. stock. As of the latest transaction made, Weiss Asset Management LP holds 5,410 shares of HALO stock, worth $378,862. This represents 0.01% of its overall portfolio holdings.

Number of Shares
5,410
Holding current value
$378,862
% of portfolio
0.01%

Shares

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

Nov 14, 2025

SELL
$52.92 - $78.28 $10.9 Million - $16.1 Million
-205,842 Reduced 97.44%
5,410 $396,000
Q2 2025

Aug 14, 2025

BUY
$47.91 - $70.14 $10.1 Million - $14.8 Million
211,252 New
211,252 $11 Million
Q4 2018

Feb 14, 2019

SELL
$13.33 - $18.66 $277,450 - $388,389
-20,814 Closed
0 $0
Q4 2017

Feb 14, 2018

BUY
$16.75 - $20.8 $348,634 - $432,931
20,814
20,814 $422,000

Others Institutions Holding HALO

About HALOZYME THERAPEUTICS, INC.


  • 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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