Latest Period
Q2 2026
Security Snapshot
THERMO FISHER SCIENTIFIC INC. - Common Stock (TMO) Institutional Ownership
CUSIP: 883556102
13F Institutional Holders and Ownership History from Q1 2014 to Q2 2026
Institutions Reporting
2,599
Shares (Excl. Options)
334,716,924
Price
$501.36
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- Security type / class
- Equity / Common Stock
- Symbol
- TMO on NYSE
- All holders as of 30 Jun 2026
- Q2 2026
- Total 13F shares
- 334,716,924
- Total 13F value
- $167,809,258,841
- Portfolio coverage rank
- 0.12%
- Share change
- +3,521,210
- Value change
- +$1,812,027,106
- Number of holders
- 2,599
- Shares outstanding
- 371,963,108
- SEC-reported price per share
- $576.41
- Insider filing price
- $576.41
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- TMO - THERMO FISHER SCIENTIFIC INC. - Common Stock is tracked under CUSIP 883556102.
- 2599 institutions reported positions in Q2 2026.
- 1 significant owner is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 2,596 to 2,599 between Q1 2026 and Q2 2026.
- SEC-reported value moved from $163,145,635,838 to $167,809,258,841.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 2599 institutions filings for Q2 2026.
Security key
883556102
Latest holder period
Q2 2026
13F holders
2,599
13D/G owners
1
CIK / CUSIP context first
Open Q2 2026 holders
TMO full holder history
THERMO FISHER SCIENTIFIC INC. SEC filings
THERMO FISHER SCIENTIFIC INC. company facts
THERMO FISHER SCIENTIFIC INC. insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 883556102:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
1
Security
TMO
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| VANGUARD CAPITAL MANAGEMENT LLC | 7.5% | $13,059,393,346 | 28,008,822 | Vanguard Capital Management | 31 Mar 2026 |
As of 30 Jun 2026, 2,599 institutional investors reported holding 334,716,924 shares of THERMO FISHER SCIENTIFIC INC. - Common Stock (TMO). This represents 90% of the company’s total 371,963,108 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
50%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BlackRock, Inc. | 8.3% | 30,919,632 | +1.6% | 0.23% | $15,501,866,869 |
| VANGUARD CAPITAL MANAGEMENT LLC | 6.5% | 24,276,316 | -0.02% | 0.26% | $12,171,173,789 |
| STATE STREET CORP | 4.5% | 16,825,879 | +0.56% | 0.25% | $8,443,627,719 |
| FMR LLC | 3.8% | 14,084,488 | +31% | 0.31% | $7,061,398,716 |
| MORGAN STANLEY | 2.9% | 10,763,066 | -0.92% | 0.29% | $5,396,172,492 |
| JPMORGAN CHASE & CO | 2.3% | 8,503,527 | +25% | 0.25% | $4,306,357,475 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.3% | 8,382,401 | -0.3% | 0.22% | $4,182,710,443 |
| FRANKLIN RESOURCES INC | 2% | 7,271,514 | +6.7% | 0.79% | $3,645,646,214 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 1.7% | 6,226,169 | +1% | 0.14% | $3,121,552,090 |
| Capital World Investors | 1.7% | 6,195,370 | -6.8% | 0.37% | $3,106,193,041 |
| PRICE T ROWE ASSOCIATES INC /MD/ | 1.4% | 5,116,336 | -19% | 0.26% | $2,565,127,000 |
| NORGES BANK | 1.4% | 5,087,903 | 0.25% | $2,550,871,048 | |
| Capital Research Global Investors | 1.1% | 4,147,545 | -6% | 0.29% | $2,079,461,815 |
| Bank of New York Mellon Corp | 1.1% | 3,938,410 | +4.6% | 0.32% | $1,974,561,448 |
| BANK OF AMERICA CORP /DE/ | 1% | 3,895,265 | -30% | 0.13% | $1,952,930,190 |
| ROYAL BANK OF CANADA | 0.92% | 3,430,798 | -12% | 0.29% | $1,720,064,000 |
| NORTHERN TRUST CORP | 0.89% | 3,328,836 | -2.5% | 0.19% | $1,668,945,218 |
| Capital International Investors | 0.86% | 3,182,151 | -18% | 0.33% | $1,595,416,232 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 0.84% | 3,114,527 | +6.1% | 0.21% | $1,561,499,257 |
| Dodge & Cox | 0.82% | 3,054,778 | +11767% | 0.8% | $1,531,543,498 |
| GOLDMAN SACHS GROUP INC | 0.79% | 2,957,066 | -6.3% | 0.16% | $1,482,554,827 |
| Fisher Asset Management, LLC | 0.78% | 2,915,715 | +2.2% | 0.44% | $1,461,823,432 |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 0.74% | 2,757,752 | -5.4% | 1.1% | $1,382,624,262 |
| Grantham, Mayo, Van Otterloo & Co. LLC | 0.74% | 2,739,191 | +9.5% | 3.1% | $1,373,321,891 |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 0.73% | 2,716,643 | +0.31% | 0.48% | $1,422,141,230 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
50
Latest
Q2 2026
Rows shown
1-25 of 50
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q2 | 334,716,924 | $167,809,258,841 | +$1,812,027,106 | $501.36 | 2,599 |
| 2026 Q1 | 331,791,402 | $163,145,635,838 | -$5,885,675,377 | $491.53 | 2,596 |
| 2025 Q4 | 343,232,382 | $198,893,656,288 | +$6,492,243,277 | $579.45 | 2,687 |
| 2025 Q3 | 330,918,498 | $160,434,425,509 | -$939,278,690 | $485.02 | 2,487 |
| 2025 Q2 | 333,543,983 | $135,263,140,409 | +$600,593,869 | $405.46 | 2,429 |
| 2025 Q1 | 332,262,896 | $165,122,448,786 | -$3,233,149,584 | $497.60 | 2,544 |
| 2024 Q4 | 338,500,236 | $176,259,958,087 | +$285,220,456 | $520.23 | 2,590 |
| 2024 Q3 | 336,017,029 | $207,590,861,053 | -$1,002,552,096 | $618.57 | 2,549 |
| 2024 Q2 | 338,224,382 | $186,983,733,629 | +$1,597,360,634 | $553.00 | 2,525 |
| 2024 Q1 | 336,700,181 | $195,584,231,699 | -$2,039,744,186 | $581.21 | 2,505 |
| 2023 Q4 | 341,358,721 | $181,225,391,520 | -$1,048,026,032 | $530.79 | 2,471 |
| 2023 Q3 | 341,222,039 | $172,642,670,730 | +$796,613,153 | $506.17 | 2,346 |
| 2023 Q2 | 339,845,026 | $177,377,106,109 | -$343,685,977 | $521.75 | 2,368 |
| 2023 Q1 | 339,392,049 | $195,556,995,210 | -$2,440,326,290 | $576.37 | 2,361 |
| 2022 Q4 | 345,955,336 | $190,604,505,357 | +$1,002,036,679 | $550.69 | 2,350 |
| 2022 Q3 | 345,593,172 | $175,477,712,816 | -$673,138,797 | $507.19 | 2,243 |
| 2022 Q2 | 342,593,255 | $186,075,132,908 | +$892,640,669 | $543.28 | 2,263 |
| 2022 Q1 | 343,460,281 | $202,881,714,850 | -$887,452,301 | $590.65 | 2,299 |
| 2021 Q4 | 344,730,280 | $229,739,567,497 | -$130,457,390 | $667.24 | 2,327 |
| 2021 Q3 | 345,151,682 | $197,228,912,419 | +$1,443,395,433 | $571.33 | 2,116 |
| 2021 Q2 | 342,390,438 | $172,667,479,252 | -$758,086,603 | $504.47 | 2,062 |
| 2021 Q1 | 344,293,306 | $157,129,069,280 | -$1,872,164,016 | $456.38 | 2,030 |
| 2020 Q4 | 348,186,852 | $162,181,415,503 | -$1,785,309,331 | $465.78 | 2,011 |
| 2020 Q3 | 351,796,125 | $155,230,022,725 | -$529,007,703 | $441.52 | 1,833 |
| 2020 Q2 | 352,277,275 | $127,625,318,997 | +$582,924,270 | $362.34 | 1,731 |