GRAL
GRAIL (GRAL)
NASDAQ
$78.93-$0.61 (-0.77%)
Price as of Aug 21, 2026 7:56 PM EDT
  • $3.6B
    Market Cap
  • 132.30%
    1-Year Change
  • Diagnostics & Research
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
FARALLON CAPITAL MANAGEMENT LLC
9.70%
4.2M
+907,900 (+21.82%)
Jun 30, 2026
BAKER BROS. ADVISORS LP
9.39%
4.0M
0 (0.00%)
Jun 30, 2026
BLACKROCK, INC.
8.33%
3.6M
+608,539 (+17.01%)
Jun 30, 2026
STATE STREET CORP
5.56%
2.4M
+493,621 (+20.69%)
Jun 30, 2026
PRIMECAP MANAGEMENT CO/CA/
5.08%
2.2M
+336,334 (+15.43%)
Jun 30, 2026
SESSA CAPITAL IM, L.P.
4.75%
2.0M
+318,204 (+15.62%)
Jun 30, 2026
VANGUARD GROUP INC
4.62%
2.0M
+163,790 (+8.27%)
Dec 31, 2025

Current Ownership Distribution

  • Institutions208.8M (77.61%)
  • Mutual Funds51.6M (19.19%)
  • Insiders8.6M (3.20%)
  • Other0 (0.00%)

Insider Transactions

  • 3.20% (8.6M)
    Current InsiderOwnership (%, shares)
  • 0
    Number of InsiderBuying (last 12 months)
  • $0.00
    Amount of InsiderBuying (last 12 months)
  • 4
    Number of InsiderSelling (last 12 months)
  • $639.2M
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
SUMME GREGORY L
Award
Jul 15, 2026
$31,751.72
427
$74.36
45,672
CHASE WILLIAM J
Award
Jul 15, 2026
$20,523.36
276
$74.36
42,978
MIZELL STEVEN
Award
Jul 15, 2026
$19,928.48
268
$74.36
42,830
MIZELL STEVEN
Award
Jun 18, 2026
$349,996.34
5,491
$63.74
42,562
SUMME GREGORY L
Award
Jun 18, 2026
$349,996.34
5,491
$63.74
45,245
RAGUSA ROBERT P
Chief Executive Officer
Sell
Apr 08, 2026
$6.2M
123,502
$49.92
518,582
Freidin Aaron
Chief Financial Officer
Sell
Apr 08, 2026
$2.3M
45,806
$49.92
260,669
Ofman Joshua J.
President
Sell
Mar 09, 2026
$135,929.48
2,836
$47.93
432,982
Freidin Aaron
Chief Financial Officer
Sell
Mar 09, 2026
$115,367.51
2,407
$47.93
306,560
Ofman Joshua J.
President
Sell
Mar 09, 2026
$4,720.74
101
$46.74
432,881
RAGUSA ROBERT P
Chief Executive Officer
Sell
Mar 09, 2026
$345,239.79
7,203
$47.93
642,342
Freidin Aaron
Chief Financial Officer
Sell
Mar 09, 2026
$3,972.90
85
$46.74
306,475
RAGUSA ROBERT P
Chief Executive Officer
Sell
Mar 09, 2026
$12,056.34
258
$46.73
642,084
Ofman Joshua J.
President
Sell
Mar 05, 2026
$36,576.90
690
$53.01
435,818
Freidin Aaron
Chief Financial Officer
Sell
Mar 05, 2026
$34,721.55
655
$53.01
308,967
RAGUSA ROBERT P
Chief Executive Officer
Sell
Mar 05, 2026
$51,949.80
980
$53.01
649,545
RAGUSA ROBERT P
Chief Executive Officer
Sell
Mar 02, 2026
$1.8M
35,787
$50.09
652,242
Freidin Aaron
Chief Financial Officer
Sell
Mar 02, 2026
$457,529.22
9,135
$50.09
310,060
RAGUSA ROBERT P
Chief Executive Officer
Sell
Mar 02, 2026
$89,014.43
1,717
$51.84
650,525
Freidin Aaron
Chief Financial Officer
Sell
Mar 02, 2026
$22,715.16
438
$51.86
309,622
Freidin Aaron
Chief Financial Officer
Award
Feb 27, 2026
$3.2M
60,118
$53.23
319,195
SUMME GREGORY L
Award
Jan 15, 2026
$32,057.76
329
$97.44
39,123
MIZELL STEVEN
Award
Jan 15, 2026
$20,072.64
206
$97.44
36,675
CHASE WILLIAM J
Award
Jan 15, 2026
$20,754.72
213
$97.44
36,803
ILLUMINA, INC.
Sell
Nov 17, 2025
$79.8M
1.0M
$79.85
3.5M
Ofman Joshua J.
President
Sell
Oct 16, 2025
$501,409.14
6,114
$82.01
381,818
SUMME GREGORY L
Award
Oct 15, 2025
$32,096.00
425
$75.52
38,794
CHASE WILLIAM J
Award
Oct 15, 2025
$20,768.00
275
$75.52
36,590
Ofman Joshua J.
President
Sell
Oct 15, 2025
$673,984.67
8,865
$76.03
387,932
Ofman Joshua J.
President
Sell
Oct 06, 2025
$5.1M
81,385
$62.50
396,797