HALO
Halozyme Therape (HALO)
NASDAQ
$124.55+$0.005 (+0.004%)
Price as of Oct 22, 2026 7:43 PM EDT
  • $14.2B
    Market Cap
  • 86.20%
    1-Year Change
  • Biotechnology
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
DLD ASSET MANAGEMENT, LP
26.43%
30.0M
+17.5M (+58.33%)
Sep 30, 2025
BLACKROCK INC.
15.52%
17.6M
-621,611 (-3.53%)
Jun 30, 2024
BLACKROCK FUNDING, INC. /DE
15.48%
17.6M
+136,136 (+0.77%)
Dec 31, 2024
BLACKROCK, INC.
11.69%
13.3M
+6,042 (+0.05%)
Jun 30, 2026
VANGUARD GROUP INC
10.19%
11.6M
-62,890 (-0.54%)
Dec 31, 2025
BB BIOTECH AG
7.33%
8.3M
0 (0.00%)
Mar 31, 2019
VANGUARD CAPITAL MANAGEMENT LLC
4.71%
5.4M
+80,094 (+1.50%)
Jun 30, 2026

Current Ownership Distribution

  • Mutual Funds3.0B (54.88%)
  • Institutions2.4B (44.96%)
  • Insiders8.5M (0.16%)
  • Other0 (0.00%)

Insider Transactions

  • 0.16% (8.5M)
    Current InsiderOwnership (%, shares)
  • 0
    Number of InsiderBuying (last 12 months)
  • $0.00
    Amount of InsiderBuying (last 12 months)
  • 5
    Number of InsiderSelling (last 12 months)
  • $3.5B
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
Torley Helen
PRESIDENT AND CEO
Exempt
Oct 08, 2026
$368,200.00
20,000
$18.41
21,552
Torley Helen
PRESIDENT AND CEO
Exempt
Oct 08, 2026
$368,200.00
20,000
$18.41
787,780
Torley Helen
PRESIDENT AND CEO
Sell
Oct 08, 2026
$520,340.99
4,810
$108.18
782,970
Torley Helen
PRESIDENT AND CEO
Sell
Oct 08, 2026
$336,525.72
3,090
$108.91
779,880
Torley Helen
PRESIDENT AND CEO
Sell
Oct 08, 2026
$1.3M
11,900
$110.00
767,980
Torley Helen
PRESIDENT AND CEO
Sell
Oct 08, 2026
$22,102.00
200
$110.51
767,780
Torley Helen
PRESIDENT AND CEO
Exempt
Oct 07, 2026
$368,200.00
20,000
$18.41
787,780
Torley Helen
PRESIDENT AND CEO
Sell
Oct 07, 2026
$954,866.60
8,600
$111.03
779,180
Torley Helen
PRESIDENT AND CEO
Sell
Oct 07, 2026
$1.2M
10,300
$111.84
768,880
Torley Helen
PRESIDENT AND CEO
Sell
Oct 07, 2026
$101,502.00
900
$112.78
767,980
Torley Helen
PRESIDENT AND CEO
Sell
Oct 07, 2026
$22,738.60
200
$113.69
767,780
Torley Helen
PRESIDENT AND CEO
Exempt
Oct 07, 2026
$368,200.00
20,000
$18.41
41,552
Torley Helen
PRESIDENT AND CEO
Exempt
Oct 06, 2026
$368,200.00
20,000
$18.41
61,552
Torley Helen
PRESIDENT AND CEO
Exempt
Oct 06, 2026
$368,200.00
20,000
$18.41
787,780
Torley Helen
PRESIDENT AND CEO
Sell
Oct 06, 2026
$248,174.60
2,300
$107.90
785,480
Torley Helen
PRESIDENT AND CEO
Sell
Oct 06, 2026
$656,004.00
6,000
$109.33
779,480
Torley Helen
PRESIDENT AND CEO
Sell
Oct 06, 2026
$1.1M
9,920
$109.89
769,560
Torley Helen
PRESIDENT AND CEO
Sell
Oct 06, 2026
$197,245.36
1,780
$110.81
767,780
Posard Matthew L.
Sell
Oct 01, 2026
$78,232.64
730
$107.17
58,109
Daly James M
Award
Oct 01, 2026
$0.00
1,775
$0.00
1,775
Posard Matthew L.
Sell
Oct 01, 2026
$357,898.20
3,300
$108.45
54,809
Daly James M
Award
Oct 01, 2026
$0.00
1,169
$0.00
1,169
Posard Matthew L.
Sell
Oct 01, 2026
$120,525.90
1,100
$109.57
53,709
Posard Matthew L.
Sell
Oct 01, 2026
$11,004.00
100
$110.04
53,609
Posard Matthew L.
Sell
Sep 16, 2026
$329,009.20
3,100
$106.13
74,735
Posard Matthew L.
Sell
Sep 16, 2026
$320,484.00
3,000
$106.83
71,735
Posard Matthew L.
Sell
Sep 16, 2026
$961,123.84
8,896
$108.04
62,839
Posard Matthew L.
Sell
Sep 16, 2026
$435,964.00
4,000
$108.99
58,839
Torley Helen
PRESIDENT AND CEO
Exempt
Aug 19, 2026
$368,200.00
20,000
$18.41
141,552
Torley Helen
PRESIDENT AND CEO
Exempt
Aug 19, 2026
$368,200.00
20,000
$18.41
787,780