TMO
Thermo Fisher Sc (TMO)
NYSE
$654.51+$2.00 (+0.31%)
Price as of Oct 02, 2026 3:38 PM EDT
  • $241.3B
    Market Cap
  • 24.73%
    1-Year Change
  • Diagnostics & Research
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
VANGUARD GROUP INC
9.23%
34.1M
+288,296 (+0.84%)
Dec 31, 2025
J. STERN & CO. LLP
8.52%
31.5M
+31.5M (+99.83%)
Dec 31, 2025
BLACKROCK, INC.
8.36%
30.9M
+492,440 (+1.59%)
Jun 30, 2026
BLACKROCK INC.
7.99%
29.5M
+549,482 (+1.86%)
Jun 30, 2024
BLACKROCK FUNDING, INC. /DE
7.80%
28.8M
-321,216 (-1.11%)
Dec 31, 2024
VANGUARD CAPITAL MANAGEMENT LLC
6.57%
24.3M
-4,500 (-0.02%)
Jun 30, 2026
STATE STREET CORP
4.55%
16.8M
+94,211 (+0.56%)
Jun 30, 2026

Current Ownership Distribution

  • Mutual Funds8.9B (58.10%)
  • Institutions6.4B (41.89%)
  • Insiders1.7M (0.01%)
  • Other0 (0.00%)

Insider Transactions

  • 0.01% (1.7M)
    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)
  • $7.1B
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
JOHNSON JENNIFER M
Award
Sep 26, 2026
$0.00
46
$0.00
769
Keith R. Alexandra
Award
Sep 26, 2026
$0.00
46
$0.00
1,378
WEISLER DION J
Award
Sep 26, 2026
$0.00
56
$0.00
2,847
SPERLING SCOTT M
Award
Sep 26, 2026
$0.00
63
$0.00
17,738
Lynch Karen S
Award
Sep 26, 2026
$0.00
46
$0.00
399
Pettiti Gianluca
President & COO
Exempt
Aug 31, 2026
$0.00
3,733
$0.00
7,467
Pettiti Gianluca
President & COO
Sell
Aug 31, 2026
$245,752.00
400
$614.38
23,216
Pettiti Gianluca
President & COO
Exempt
Aug 31, 2026
$1.2M
3,733
$309.63
26,949
Pettiti Gianluca
President & COO
Sell
Aug 31, 2026
$2.3M
3,733
$614.38
23,216
Shropshire Thomas B Jr.
SVP and General Counsel
In Kind
Aug 28, 2026
$30,501.75
49
$622.18
6,009
Holmes Joseph R.
VP & Chief Accounting Officer
In Kind
Aug 28, 2026
$6,574.58
11
$622.18
2,956
CASPER MARC N
Chairman & CEO
In Kind
Aug 28, 2026
$450,934.91
725
$622.18
123,201
Britt Lisa P.
Sr. VP and Chief HR Officer
In Kind
Aug 28, 2026
$54,148.33
87
$622.18
14,697
CASPER MARC N
Chairman & CEO
In Kind
Aug 28, 2026
$330,907.06
532
$622.18
122,669
Shafer Michael D
Executive Vice President
In Kind
Aug 28, 2026
$101,077.50
162
$622.18
20,832
Pettiti Gianluca
President & COO
In Kind
Aug 28, 2026
$132,061.44
212
$622.18
24,439
Holmes Joseph R.
VP & Chief Accounting Officer
In Kind
Aug 28, 2026
$8,035.45
13
$622.18
2,943
Britt Lisa P.
Sr. VP and Chief HR Officer
In Kind
Aug 28, 2026
$72,197.77
116
$622.18
14,581
Meyer James
Sr. Vice President & CFO
In Kind
Aug 28, 2026
$23,163.76
37
$622.18
5,793
Pettiti Gianluca
President & COO
In Kind
Aug 28, 2026
$188,918.11
304
$622.18
24,135
Holmes Joseph R.
VP & Chief Accounting Officer
In Kind
Aug 28, 2026
$7,122.09
11
$622.18
2,931
Britt Lisa P.
Sr. VP and Chief HR Officer
In Kind
Aug 28, 2026
$65,579.64
105
$622.18
14,476
Shafer Michael D
Executive Vice President
In Kind
Aug 28, 2026
$131,159.28
211
$622.18
20,621
Pettiti Gianluca
President & COO
In Kind
Aug 28, 2026
$154,924.69
249
$622.18
23,886
Holmes Joseph R.
VP & Chief Accounting Officer
In Kind
Aug 28, 2026
$9,314.03
15
$622.18
2,916
Britt Lisa P.
Sr. VP and Chief HR Officer
In Kind
Aug 28, 2026
$52,945.03
85
$622.18
14,391
Meyer James
Sr. Vice President & CFO
In Kind
Aug 28, 2026
$27,676.43
44
$622.18
5,748
Pettiti Gianluca
President & COO
In Kind
Aug 28, 2026
$167,860.43
270
$622.18
23,616
Shafer Michael D
Executive Vice President
In Kind
Aug 28, 2026
$117,923.64
190
$622.18
20,431
Meyer James
Sr. Vice President & CFO
In Kind
Aug 28, 2026
$12,334.10
20
$622.18
5,729