Thermo Fisher Scientific Inc
$633.71+0.9%
+$82.8B
Net Activity
+90.23% total shares
Institutions Holding
2631
Popularity Rank
#81
Avg Weight
0.44%
Total Value
$172.8B
Market Cap
$239.5B
2631 institutions currently hold TMO, with 1130 net buyers and 1324 net sellers this quarter.
Institutional Moves (Q2 2026)
Neutral
Based on recent trading activity
Net Selling Institutions
1324
Net Buying Institutions
1130
Top 5 by Value
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Across its top 20 institutional holders, TMO's holder base skews toward low-concentration, low-turnover investors on average (avg. concentration score 5/100, avg. turnover score 33/100).
TMO ranks #81 out of 37501 tracked stocks by institutional interest — one of the most closely watched names in our coverage.
TMO is a top-conviction position for Unisphere Establishment — at 8.8% of their entire disclosed 13F portfolio, it's one of their largest single bets, not just a passing allocation.
The largest dollar stake in TMO belongs to BlackRock, Inc., but the position matters far more to Unisphere Establishment, who has 8.8% of their own portfolio riding on it — a reminder that the biggest holder by size and the holder with the biggest bet aren't always the same fund.
Andreas Halvorsen has added to its TMO position for two straight quarters, increasing it by $511.7M to reach $971.3M today.
Capital World Investors has trimmed its TMO position for two straight quarters, cutting it by $3.3B while still holding $3.1B.
TMO is up 0.9% today, and institutions have been net buyers of $82.8B this quarter — today's price move and the underlying institutional flow are pointing the same direction.
TMO posted net income of $7.0B over the trailing twelve months, and currently trades at a P/E of 34.4.
+$16.5B
Total Buy Value
$11.6B
Total Sell Value
1130
Net Buyers
1324
Net Sellers
TMO
Q2 2026
Top 5 Institutional Movers
+$2.6B
+$1.8B
+$1.5B
+$1.0B
Institutions accumulate while insiders sell exclusively
Signal Basis
13F data shows a strong net value increase of +$82.7B with 179 new buys versus 153 exits, yet the net buyer count (1,129) falls short of net sellers (1,323); simultaneously, insider activity over the past 30 days reveals 90 sell transactions totaling ~$58.8M with zero purchases — CEO Marc Casper and multiple senior officers consistently divesting.
Confirmation
A subsequent quarter showing insider buying activity resuming alongside institutional net buyer count exceeding net seller count would confirm a bullish trajectory.
Invalidation Risk
If the institutional net value change turns negative while insider selling persists or intensifies, the bearish case would strengthen materially.
This game-theory analysis is AI-assisted and derived from institutional holders' SEC EDGAR filings, covering historical data only. For informational purposes, not investment advice — source filings linked below.
See the institutional 13F filings behind this signalTMO does not currently show a 13F-and-insider convergence signal — its insider confidence score is 0/100, below the threshold this product uses to flag combined buying pressure.
13F data as of 2026-06-30 quarterly filings. Note: many large institutions file close to the 45-day post-quarter deadline, so early-quarter flow figures can shift substantially as more filings arrive.
0
unique buyers
—
buy value
12-Month Buy/Sell Activity
| Action | Insider | Date | Value |
|---|---|---|---|
| Sell | Gianluca Pettiti | 2026-08-31 | $246K |
| Sell | Gianluca Pettiti | 2026-08-31 | $2.29M |
| Sell | Marc N Casper | 2026-08-24 | $63K |
| Sell | Marc N Casper | 2026-08-24 | $21K |
| Sell | Marc N Casper | 2026-08-24 | $50K |
| Sell | Marc N Casper | 2026-08-24 | $39K |
| Sell | Marc N Casper | 2026-08-21 | $1.71M |
| Sell | Marc N Casper | 2026-08-21 | $1.89M |
| Action | Member | Trade Date | Amount |
|---|---|---|---|
| Buy | Alan Armstrong Senate | 2026-03-27 | $1K–$15K |
| Sell (Full) | Angus S King, Jr. Senate | 2025-07-21 | $1K–$15K |
| Buy | Markwayne Mullin Senate | 2025-05-13 | $15K–$50K |
| Sell (Full) | Markwayne Mullin Senate | 2025-04-08 | $50K–$100K |
| Buy | Markwayne Mullin Senate | 2023-10-03 | $15K–$50K |
| Buy | Markwayne Mullin Senate | 2023-09-13 | $15K–$50K |
| Sell (Full) | Daniel S Sullivan Senate | 2023-08-22 | $1K–$15K |
| Sell (Full) | Daniel S Sullivan Senate | 2023-08-22 | $1K–$15K |
12
Filings (90d)
$59.13M
Total Est. Value
99K shares
Planned Shares
| Filer | Filing Date | Est. Value |
|---|---|---|
| CASPER MARC N | 2026-08-24 | $172K |
| CASPER MARC N | 2026-08-21 | $6.27M |
| CASPER MARC N | 2026-08-20 | $6.29M |
| Britt Lisa P. | 2026-08-19 | $7.01M |
| Shafer Michael D | 2026-08-11 | $15.30M |
| CASPER MARC N | 2026-08-07 | $2.82M |
| Holmes Joseph R. | 2026-08-07 | $246K |
| CASPER MARC N | 2026-08-06 | $8.65M |
| Britt Lisa P. | 2026-08-06 | $3.39M |
| CASPER MARC N | 2026-08-05 | $8.52M |
Form 144 is a planned sale notice, not an executed transaction. Form 144 Tracker。
No Schedule 13D/13G filings for this ticker
1
Filings (14d)
On July 23, 2026, Thermo Fisher Scientific announced its financial results for the quarter ending June 27, 2026. The full press release is included as an exhibit to this filing. This 8-K is furnished, not filed, under SEC rules, meaning it's a disclosure of the earnings release.
View Full Filing (SEC EDGAR)883556102, 883556902, 883556952
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64
Articles
Thermo Fisher Scientific (TMO) Stock Looks Near Fair Value Following A 24% Run
Thermo Fisher Scientific (NYSE: TMO) CEO uses shares to cover taxes and discloses trust holdings
Equity award costs paid in stock at Thermo Fisher (TMO)
TMO Stock Could Gain Following the Launch of EMPAD G2 Detector
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Access TMO's institutional ownership data programmatically:
REST API
curl https://alphasmo.com/api/v1/market/stock/TMOCLI
npx alphasmo stocks get TMO