BLLN
BILLIONTOONE-A (BLLN)
NASDAQ
$110.16-$1.84 (-1.64%)
Price as of Nov 11, 2026 7:30 PM EST
  • $4.8B
    Market Cap
  • 7.94%
    1-Year Change
  • Diagnostics & Research
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
ADAMS STREET PARTNERS LLC
3.63%
1.7M
0 (0.00%)
Jun 30, 2026
N/A
2.33%
1.1M
0 (0.00%)
Mar 31, 2026
BAILLIE GIFFORD & CO
2.29%
1.1M
+180,077 (+16.65%)
Sep 30, 2026
PRICE T ROWE ASSOCIATES INC /MD/
2.14%
1.0M
+272,804 (+27.00%)
Jun 30, 2026
VANGUARD PORTFOLIO MANAGEMENT LLC
1.78%
840,970
+689,757 (+82.02%)
Jun 30, 2026
INVESCO LTD.
1.77%
835,614
+429,102 (+51.35%)
Jun 30, 2026
VANGUARD CAPITAL MANAGEMENT LLC
1.69%
799,468
+617,005 (+77.18%)
Jun 30, 2026

Current Ownership Distribution

  • Institutions37.8M (71.80%)
  • Mutual Funds14.7M (28.04%)
  • Insiders83,879 (0.16%)
  • Other0 (0.00%)

Insider Transactions

  • 0.16% (83,879)
    Current InsiderOwnership (%, shares)
  • 0
    Number of InsiderBuying (last 12 months)
  • $0.00
    Amount of InsiderBuying (last 12 months)
  • 6
    Number of InsiderSelling (last 12 months)
  • $722.9M
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
Atay Oguzhan
Chairman and CEO
Exempt
Nov 02, 2026
$46,667.60
16,667
$2.80
443,629
Tsao David
Chief Technology Officer
Exempt
Nov 02, 2026
$28,000.00
10,000
$2.80
526,667
ten Bosch John Roderick
SVP of Laboratory Operations
Sell
Nov 02, 2026
$160,361.89
1,417
$113.17
17,968
Tsao David
Chief Technology Officer
Exempt
Nov 02, 2026
$28,000.00
10,000
$2.80
516,667
Atay Oguzhan
Chairman and CEO
Exempt
Nov 02, 2026
$23,335.20
8,334
$2.80
435,295
Tsao David
Chief Technology Officer
Exempt
Nov 02, 2026
$28,000.00
10,000
$2.80
11,000
ten Bosch John Roderick
SVP of Laboratory Operations
Sell
Nov 02, 2026
$160,361.89
1,417
$113.17
16,551
Tsao David
Chief Technology Officer
Exempt
Nov 02, 2026
$28,000.00
10,000
$2.80
21,000
Atay Oguzhan
Chairman and CEO
Exempt
Nov 02, 2026
$46,667.60
16,667
$2.80
16,667
Tsao David
Chief Technology Officer
Sell
Nov 02, 2026
$98,405.93
917
$107.31
20,083
Atay Oguzhan
Chairman and CEO
Exempt
Nov 02, 2026
$23,335.20
8,334
$2.80
25,001
Tsao David
Chief Technology Officer
Sell
Nov 02, 2026
$251,106.13
2,320
$108.24
17,763
Atay Oguzhan
Chairman and CEO
Sell
Nov 02, 2026
$159,039.64
1,482
$107.31
23,519
Tsao David
Chief Technology Officer
Sell
Nov 02, 2026
$353,411.93
3,241
$109.04
14,522
Atay Oguzhan
Chairman and CEO
Sell
Nov 02, 2026
$433,959.82
4,009
$108.25
19,510
Tsao David
Chief Technology Officer
Sell
Nov 02, 2026
$219,376.97
1,992
$110.13
12,530
Atay Oguzhan
Chairman and CEO
Sell
Nov 02, 2026
$623,932.45
5,720
$109.08
13,790
Tsao David
Chief Technology Officer
Sell
Nov 02, 2026
$125,170.55
1,130
$110.77
11,400
Atay Oguzhan
Chairman and CEO
Sell
Nov 02, 2026
$419,432.87
3,803
$110.29
9,987
Tsao David
Chief Technology Officer
Sell
Nov 02, 2026
$33,657.00
300
$112.19
11,100
Atay Oguzhan
Chairman and CEO
Sell
Nov 02, 2026
$123,962.87
1,117
$110.98
8,870
Tsao David
Chief Technology Officer
Sell
Nov 02, 2026
$11,316.50
100
$113.17
11,000
Atay Oguzhan
Chairman and CEO
Sell
Nov 02, 2026
$60,268.70
536
$112.44
8,334
Tsao David
Chief Technology Officer
Sell
Nov 02, 2026
$114,094.13
1,063
$107.33
9,937
Atay Oguzhan
Chairman and CEO
Sell
Nov 02, 2026
$104,547.80
974
$107.34
7,360
Tsao David
Chief Technology Officer
Sell
Nov 02, 2026
$265,543.49
2,450
$108.39
7,487
Atay Oguzhan
Chairman and CEO
Sell
Nov 02, 2026
$224,990.17
2,075
$108.43
5,285
Tsao David
Chief Technology Officer
Sell
Nov 02, 2026
$352,999.83
3,234
$109.15
4,253
Atay Oguzhan
Chairman and CEO
Sell
Nov 02, 2026
$267,439.64
2,451
$109.11
2,834
Tsao David
Chief Technology Officer
Sell
Nov 02, 2026
$263,520.08
2,389
$110.31
1,864