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Thermo Fisher Scientific
TMO

Overview Fund Activity

2,536 hedge funds and large institutions have $165B invested in Thermo Fisher Scientific in 2025 Q1 according to their latest regulatory filings, with 155 funds opening new positions, 1,020 increasing their positions, 992 reducing their positions, and 157 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
2,536
Holders Change
-45
Holders Change %
-1.74%
% of All Funds
34.44%
Holding in Top 10
83
Holding in Top 10 Change
+11
Holding in Top 10 Change %
+15.28%
% of All Funds
1.13%
New
155
Increased
1,020
Reduced
992
Closed
157
Calls
$961M
Puts
$1.08B
Net Calls
-$119M
Net Calls Change
+$261M

Top Buyers

1
Capital World Investors
Capital World Investors
California
+$812M
2
JPMorgan Chase & Co
JPMorgan Chase & Co
New York
+$607M
3
DZ Bank
DZ Bank
Germany
+$293M
4
Franklin Resources
Franklin Resources
California
+$240M
5
SP
Sarasin & Partners
United Kingdom
+$187M

Top Sellers

1
Fidelity Investments
Fidelity Investments
Massachusetts
-$843M
2
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
-$802M
3
T. Rowe Price Investment Management
T. Rowe Price Investment Management
Maryland
-$568M
4
ATO
Alecta Tjanstepension Omsesidigt
Sweden
-$214M
5
Impax Asset Management Group
Impax Asset Management Group
United Kingdom
-$212M
Name Holding Trade Value Shares
Change 		Shares
Change %
VPIM
451
Vanguard Personalized Indexing Management
California
$19.3M +$1.44M +2,894 +8%
EMPI
452
Elo Mutual Pension Insurance
Finland
$19.3M +$1.91M +3,847 +11%
GAM
453
Gotham Asset Management
New York
$19.1M +$4.47M +8,993 +31%
GKIM
454
GW&K Investment Management
Massachusetts
$19.1M +$290K +583 +2%
JPMIA
455
J.P. Marvel Investment Advisors
Massachusetts
$19.1M -$85.1K -171 -0.4%
Cambridge Investment Research Advisors
456
Cambridge Investment Research Advisors
Iowa
$19M +$344K +691 +2%
AssetMark Inc
457
AssetMark Inc
California
$18.9M +$81.1K +163 +0.4%
CC
458
Chicago Capital
Illinois
$18.9M -$813K -1,634 -4%
DR
459
Davis Rea
Ontario, Canada
$18.8M +$4.21M +8,452 +29%
BAMCO Inc
460
BAMCO Inc
New York
$18.7M -$1.99M -4,000 -10%
LOAME
461
Lombard Odier Asset Management (Europe)
United Kingdom
$18.6M -$6.9M -13,870 -27%
DWM
462
Destination Wealth Management
California
$18.6M +$855K +1,719 +5%
RMA
463
Roffman Miller Associates
Pennsylvania
$18.6M +$447K +898 +2%
AT
464
Avalon Trust
New Mexico
$18.5M +$210K +422 +1%
VRS
465
Virginia Retirement Systems
Virginia
$18.4M +$18.4M +36,900 New
AAS
466
Avantax Advisory Services
Texas
$18.3M -$309K -621 -2%
GHA
467
GW Henssler & Associates
Georgia
$18.3M +$9.6M +19,285 +111%
TGCMU
468
Titan Global Capital Management USA
New York
$18.3M -$230K -463 -1%
PA
469
Parallel Advisors
California
$18.1M +$1.55M +3,114 +9%
UAS
470
United Asset Strategies
New York
$18.1M +$4.51M +9,070 +33%
AP
471
Appleton Partners
Massachusetts
$17.9M -$135K -271 -0.7%
FLPIM
472
F.L. Putnam Investment Management
Massachusetts
$17.7M -$2.69M -5,399 -13%
Rafferty Asset Management
473
Rafferty Asset Management
New York
$17.6M -$3.96M -7,965 -18%
ACM
474
Argent Capital Management
Missouri
$17.6M -$665K -1,336 -4%
JSSH
475
J. Safra Sarasin Holding
$17.5M +$420K +844 +2%
17 18
19
20 21