Thermo Fisher Scientific: which funds bought and sold
Institutions that bought and sold Thermo Fisher Scientific shares in Q2 2026, from the holdings they reported to the SEC on Form 13F for March 31, 2026 and June 30, 2026.
Between March 31, 2026 and June 30, 2026, 1,089 institutions that filed 13F reports for both quarters added to or opened positions in Thermo Fisher Scientific, and 1,304 cut or closed them. Together they sold a net 3.0M shares, −0.9% on what they held at the start of the quarter. Active managers and hedge funds on our list were net buyers of 3.7M shares (+4.4%); index fund managers were net buyers of 680K shares (+0.7%). 167 opened a new position and 146 sold out entirely.
Bought, Q2 2026 1,089 institutions, 167 of them new holders Sold, Q2 2026 1,304 institutions, 146 of them sold out
Net change, all compared −3.0M shares (−0.9%)
Net change, active managers +3.7M shares (+4.4%), 72 bought, 70 sold
Buyers versus sellers
1,089 bought 328 1,304 sold
Active managers and hedge funds 72 bought · 70 sold · +3.7M
Index fund managers 6 bought · 6 sold · +680K
Other institutions 1,011 bought · 1,228 sold · −7.4M
Biggest buyers
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| FMR LLC Active manager | +3.3M +30.7% | 14.1M | $7.1B |
| Dodge & Cox Active manager | +3.0M +11767.4% | 3.1M | $1.5B |
| Jpmorgan Chase & Co | +1.7M +25.1% | 8.5M | $4.3B |
| Assenagon Asset Management S.A. | +497K +266.7% | 684K | $343M |
| Blackrock, Inc. Index funds | +492K +1.6% | 30.9M | $15.5B |
| Franklin Resources Inc Active manager | +458K +6.7% | 7.3M | $3.6B |
| Glenview Capital Management, LLC Hedge fund | +377K +150.4% | 627K | $314M |
| Arrowstreet Capital, Limited Partnership Hedge fund | +373K +58.8% | 1.0M | $505M |
| D. E. Shaw & Co., Inc. Hedge fund | +339K +111.9% | 642K | $322M |
| Qube Research & Technologies Ltd Hedge fund | +304K +160.9% | 493K | $247M |
| Blue Sparrow, LLC | +271K +3118.4% | 280K | $140M |
| Viking Global Investors LP Hedge fund | +269K +16.2% | 1.9M | $971M |
| Edgepoint Investment Group Inc. Active manager | +261K +13.6% | 2.2M | $1.1B |
| Fil Ltd Active manager | +257K +48.4% | 789K | $396M |
| Alyeska Investment Group, L.P. Hedge fund | +251K +201.0% | 376K | $189M |
| Grantham, Mayo, Van Otterloo & Co. LLC Active manager | +237K +9.5% | 2.7M | $1.4B |
| Freestone Grove Partners LP Hedge fund | +226K New position | 226K | $113M |
| National Bank Of Canada | +203K +76.2% | 469K | $235M |
| Charles Schwab Investment Management Inc Index funds | +180K +6.1% | 3.1M | $1.6B |
| Natixis | +175K +262.1% | 241K | $121M |
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| FMR LLC Active manager | +3.3M +30.7% | 14.1M | $7.1B |
| Dodge & Cox Active manager | +3.0M +11767.4% | 3.1M | $1.5B |
| Franklin Resources Inc Active manager | +458K +6.7% | 7.3M | $3.6B |
| Glenview Capital Management, LLC Hedge fund | +377K +150.4% | 627K | $314M |
| Arrowstreet Capital, Limited Partnership Hedge fund | +373K +58.8% | 1.0M | $505M |
| D. E. Shaw & Co., Inc. Hedge fund | +339K +111.9% | 642K | $322M |
| Qube Research & Technologies Ltd Hedge fund | +304K +160.9% | 493K | $247M |
| Viking Global Investors LP Hedge fund | +269K +16.2% | 1.9M | $971M |
| Edgepoint Investment Group Inc. Active manager | +261K +13.6% | 2.2M | $1.1B |
| Fil Ltd Active manager | +257K +48.4% | 789K | $396M |
Biggest sellers
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Bank Of America Corp | −1.6M −29.6% | 3.9M | $2B |
| Price T Rowe Associates Inc Active manager | −1.2M −19.0% | 5.1M | $2.6B |
| Pictet Asset Management Holding SA | −988K −47.9% | 1.1M | $538M |
| Rathbones Group PLC | −902K −47.3% | 1.0M | $504M |
| Generation Investment Management LLP Active manager | −774K Sold out | 0 | — |
| Cantillon Capital Management LLC | −770K Sold out | 0 | — |
| Capital International Investors Active manager | −707K −18.2% | 3.2M | $1.6B |
| C Worldwide Group Holding A/S | −535K −90.5% | 56K | $28.3M |
| Wellington Management Group LLP Active manager | −499K −33.8% | 979K | $491M |
| Barclays PLC | −490K −26.6% | 1.4M | $679M |
| Royal Bank Of Canada | −483K −12.3% | 3.4M | $1.7B |
| Marshall Wace, LLP Hedge fund | −473K −99.1% | 4,321 | $2.2M |
| Capital World Investors Active manager | −451K −6.8% | 6.2M | $3.1B |
| Vontobel Holding Ltd. | −415K −69.1% | 186K | $93.2M |
| Bessemer Group Inc | −342K −92.3% | 28K | $14.3M |
| Alliancebernstein L.P. Active manager | −342K −15.6% | 1.8M | $909M |
| APG Asset Management N.V. | −324K −34.8% | 608K | $267M |
| American Century Companies Inc Active manager | −323K −78.1% | 91K | $45.6M |
| BNP Paribas Asset Management Holding S.A. | −306K −47.8% | 334K | $168M |
| Holocene Advisors, LP Hedge fund | −290K −84.9% | 52K | $25.9M |
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Price T Rowe Associates Inc Active manager | −1.2M −19.0% | 5.1M | $2.6B |
| Generation Investment Management LLP Active manager | −774K Sold out | 0 | — |
| Capital International Investors Active manager | −707K −18.2% | 3.2M | $1.6B |
| Wellington Management Group LLP Active manager | −499K −33.8% | 979K | $491M |
| Marshall Wace, LLP Hedge fund | −473K −99.1% | 4,321 | $2.2M |
| Capital World Investors Active manager | −451K −6.8% | 6.2M | $3.1B |
| Alliancebernstein L.P. Active manager | −342K −15.6% | 1.8M | $909M |
| American Century Companies Inc Active manager | −323K −78.1% | 91K | $45.6M |
| Holocene Advisors, LP Hedge fund | −290K −84.9% | 52K | $25.9M |
| Citadel Advisors LLC Hedge fund | −289K −33.5% | 575K | $288M |
New positions
| Institution | Shares | Value June 30, 2026 |
|---|---|---|
| Freestone Grove Partners LPHedge fund | 226K | $113M |
| Castle Hook Partners LPHedge fund | 166K | $83.2M |
| Sound Shore Management Inc | 165K | $82.9M |
| Nearwater Capital Markets, Ltd | 74K | $37.1M |
| Ossiam | 68K | $34.3M |
| Quintet Private Bank (Europe) S.A. | 59K | $29.8M |
| Defilade Capital Management, L.P. | 52K | $26M |
| Bowie Capital Management, LLC | 49K | $24.3M |
| Sculptor Capital LPHedge fund | 41K | $20.6M |
| Cdam (UK) Ltd | 39K | $19.5M |
Sold out
| Institution | Shares | Value March 31, 2026 |
|---|---|---|
| Generation Investment Management LLPActive manager | 774K | $380M |
| Cantillon Capital Management LLC | 770K | $378M |
| Findlay Park Partners LLPActive manager | 155K | $76.1M |
| Renaissance Technologies LLCHedge fund | 139K | $68.3M |
| Tri Locum Partners LP | 132K | $65.1M |
| Bristol Gate Capital Partners Inc. | 129K | $63.4M |
| Fiera Capital Corp | 75K | $37M |
| Munich Reinsurance Co Stock Corp In Munich | 70K | $34.5M |
| MKP Capital Management, L.L.C.Hedge fund | 60K | $29.5M |
| Ontario Teachers Pension Plan Board | 59K | $29.2M |
Who holds the shares
- Institutions reporting
- 2,615
- Ten largest holders
- 39.7% of 13F-reported shares
- Index fund managers
- 28.5% of 13F-reported shares
- Active managers and hedge funds
- 26.5% of 13F-reported shares
| Type | Bought | Sold | New | Sold out | Net change in shares | Net % |
|---|---|---|---|---|---|---|
| Active managers and hedge funds | 72 | 70 | 16 | 8 | +3.7M | +4.4% |
| Index fund managers | 6 | 6 | 0 | 0 | +680K | +0.7% |
| Other institutions | 1,011 | 1,228 | 151 | 138 | −7.4M | −4.9% |