Position in TMO
as of Jun 30, 2026
· filed Aug 7, 2026
Position Value
$15,501,866,689
+$545,989,016 QoQ
Shares Held
30,919,632
+1.6% QoQ
Ownership
8.36%
of shares outstanding
% of Portfolio
0.24%
of 13F equity value
Holder Rank
#1
of 2,606 holders
Holding Since
Sep 2024
8 quarters on record
Voting authority
Sole 90%
Shared 0%
None 10%
Common Shares in TMO Over Time
Shares Held
Position Value (USD)
Derivatives in TMO
reported options exposure · as of Mar 31, 2026CallValue
$11,550,955
CallShares
23,500
PutValue
$0
PutShares
0
Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.
Position in Diagnostics & Research
Healthcare · as of Jun 30, 2026BlackRock, Inc. holds $60,397,006,173 across 41 Diagnostics & Research names. TMO ranks #1 (25.7% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | TMO |
Thermo Fisher Scientific Inc.
This page
|
30,919,632 | $15,501,866,689 | |
| 2 | DHR |
Danaher Corp /De/
|
55,084,630 | $10,492,520,314 | |
| 3 | IDXX |
Idexx Laboratories Inc /De
|
8,170,178 | $4,301,108,497 | |
| 4 | A |
Agilent Technologies, Inc.
|
25,599,001 | $3,400,315,293 | |
| 5 | ILMN |
Illumina, Inc.
|
19,191,398 | $3,374,423,500 | |
| 6 | WAT |
Waters Corp /De/
|
8,484,939 | $3,182,191,513 | |
| 7 | NTRA |
Natera, Inc.
|
10,914,608 | $2,962,770,335 | |
| 8 | IQV |
Iqvia Holdings Inc.
|
14,549,693 | $2,811,291,673 |
All Filings in TMO
Export CSV
9 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $15,501,866,689 | 30,919,632 | Shares | Sole | 2026-08-07 | |
| 2026-03-31 | $11,550,955 | 23,500 | Call | Sole | 2026-05-13 | |
| 2026-03-31 | $14,955,877,673 | 30,427,192 | Shares | Sole | 2026-05-13 | |
| 2025-12-31 | $17,776,300,453 | 30,677,885 | Shares | Sole | 2026-02-12 | |
| 2025-09-30 | $14,374,846,201 | 29,637,636 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $11,081,225,031 | 27,330,008 | Shares | Sole | 2025-08-12 | |
| 2025-03-31 | $14,470,268,201 | 29,080,121 | Shares | Sole | 2025-05-02 | |
| 2024-12-31 | $15,001,264,351 | 28,835,831 | Shares | Sole | 2025-02-07 | |
| 2024-09-30 | $18,035,674,552 | 29,157,047 | Shares | Sole | 2024-11-13 | |
| No filing history on record for this holder in this stock. | ||||||