GLSI
GRNWICH LIFESCI (GLSI)
NASDAQ
$15.59+$0.14 (+0.91%)
Price as of Sep 11, 2026 7:49 PM EDT
  • $226.8M
    Market Cap
  • 37.58%
    1-Year Change
  • Biotechnology
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
BLACKROCK, INC.
3.31%
485,854
+51,994 (+10.70%)
Jun 30, 2026
BLACKROCK FUNDING, INC. /DE
2.44%
357,844
+7,700 (+2.15%)
Dec 31, 2024
BLACKROCK INC.
2.10%
308,909
+252,450 (+81.72%)
Jun 30, 2024
N/A
2.03%
298,266
+298,266 (+100.00%)
Mar 31, 2026
VANGUARD GROUP INC
2.02%
296,624
+14,443 (+4.87%)
Dec 31, 2025
VANGUARD CAPITAL MANAGEMENT LLC
1.90%
278,190
-20,076 (-7.22%)
Jun 30, 2026
GEODE CAPITAL MANAGEMENT, LLC
1.15%
168,179
+12,713 (+7.56%)
Jun 30, 2026

Current Ownership Distribution

  • Institutions19.3M (52.48%)
  • Mutual Funds11.0M (29.75%)
  • Insiders6.5M (17.76%)
  • Other0 (0.00%)

Insider Transactions

  • 17.76% (6.5M)
    Current InsiderOwnership (%, shares)
  • 1
    Number of InsiderBuying (last 12 months)
  • $831.9M
    Amount of InsiderBuying (last 12 months)
  • 0
    Number of InsiderSelling (last 12 months)
  • $0.00
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
Patel Snehal
CEO and CFO
Buy
Jul 27, 2026
$20,430.00
1,500
$13.62
5.6M
Patel Snehal
CEO and CFO
Buy
Jul 24, 2026
$14,168.00
1,100
$12.88
5.6M
Patel Snehal
CEO and CFO
Buy
Jul 23, 2026
$32,850.00
2,500
$13.14
5.6M
Patel Snehal
CEO and CFO
Buy
Jan 13, 2026
$53,694.00
1,800
$29.83
5.6M
Patel Snehal
CEO and CFO
Buy
Jan 12, 2026
$79,866.00
2,900
$27.54
5.6M
Patel Snehal
CEO and CFO
Buy
Dec 31, 2025
$91,848.00
4,300
$21.36
5.6M
Patel Snehal
CEO and CFO
Buy
Dec 18, 2025
$51,742.00
4,100
$12.62
5.6M
Patel Snehal
CEO and CFO
Buy
Nov 25, 2025
$38,502.00
4,600
$8.37
5.6M
Patel Snehal
CEO and CFO
Buy
Oct 31, 2025
$21,298.00
2,300
$9.26
5.6M
Patel Snehal
CEO and CFO
Buy
Apr 25, 2025
$35,568.00
3,600
$9.88
5.6M
Patel Snehal
CEO and CFO
Buy
Apr 17, 2025
$48,492.00
5,400
$8.98
5.6M
Patel Snehal
CEO and CFO
Buy
Apr 07, 2025
$32,760.00
3,600
$9.10
5.6M
Patel Snehal
CEO and CFO
Buy
Jan 03, 2025
$44,030.00
3,400
$12.95
5.5M
Patel Snehal
CEO and CFO
Buy
Jan 02, 2025
$23,940.00
2,000
$11.97
5.5M
Patel Snehal
CEO and CFO
Buy
Dec 31, 2024
$27,264.00
2,400
$11.36
5.5M
Patel Snehal
CEO and CFO
Buy
Dec 30, 2024
$35,584.00
3,200
$11.12
5.5M
Thompson Jaye
VP Clinical Reg Affairs
Award
Dec 24, 2024
$0.00
149,818
$0.00
299,636
Patel Snehal
CEO and CFO
Award
Dec 24, 2024
$0.00
1.1M
$0.00
2.2M
Rothe Eric
Award
Dec 24, 2024
$0.00
41,349
$0.00
82,698
Hallock Kenneth
Award
Dec 24, 2024
$0.00
41,349
$0.00
82,698
Daugherty Frank Joseph
Chief Medical Officer
Award
Dec 24, 2024
$0.00
104,890
$0.00
209,780
Patel Snehal
CEO and CFO
Award
Dec 24, 2024
$0.00
25,008
$0.00
2.2M
McWilliams David
Award
Dec 24, 2024
$0.00
61,984
$0.00
123,968