SEC 13F Intelligence

Marshall Wace, LLP / TMO

Marshall Wace, LLP’s Thermo Fisher Scientific Inc Position

Does Marshall Wace, LLP own Thermo Fisher Scientific Inc (TMO)? Yes — 477.3K shares worth $235M (+0.23% of its 13F portfolio) as of Q1 2026, down from 953.8K shares the prior filed quarter.

Position Value
$235M
Q1 2026
Shares
477.3K
% of Portfolio
+0.23%
Quarters Held
27
currently held

Position History TMO

Reported value by quarter
Q4 ’18: $38MQ4 ’18Q1 ’19: $424MQ2 ’19: $317MQ3 ’19: $335MQ4 ’19: $298MQ4 ’19Q1 ’20: $171MQ2 ’20: $209MQ3 ’20: $229MQ4 ’20: $404MQ4 ’20Q1 ’21: $201MQ2 ’21: $252MQ3 ’21: $231MQ4 ’21: $696MQ4 ’21Q1 ’22: $189MQ2 ’22: $390MQ3 ’22: $235MQ4 ’22: $221MQ4 ’22Q1 ’23: $18MQ4 ’23: $224MQ1 ’24: $1MQ2 ’24: $387,100Q2 ’24Q3 ’24: $388MQ4 ’24: $172MQ2 ’25: $151MQ3 ’25: $245MQ3 ’25Q4 ’25: $553MQ1 ’26: $235Mfilingsflow.com
QuarterSharesValue% of Portfolio
Q1 2026477.3K$235M+0.23%
Q4 2025953.8K$553M+0.50%
Q3 2025505.5K$245M+0.25%
Q2 2025371.6K$151M+0.17%
Q4 2024330.3K$172M+0.21%
Q3 2024627.7K$388M+0.47%
Q2 2024700$387,1000.00%
Q1 20242.5K$1M0.00%
Q4 2023422.6K$224M+0.38%
Q1 202330.5K$18M+0.04%
Q4 2022400.6K$221M+0.50%
Q3 2022462.8K$235M+0.51%
Q2 2022718.5K$390M+0.80%
Q1 2022320.3K$189M+0.36%
Q4 20211.04M$696M+1.29%
Q3 2021403.8K$231M+0.96%
Q2 2021500.2K$252M+1.14%
Q1 2021440.1K$201M+0.92%
Q4 2020867.4K$404M+2.19%
Q3 2020519.4K$229M+1.47%
Q2 2020576.7K$209M+1.46%
Q1 2020603.7K$171M+1.71%
Q4 2019917.2K$298M+2.05%
Q3 20191.15M$335M+2.64%
Q2 20191.08M$317M+2.61%
Q1 20191.55M$424M+2.00%
Q4 2018167.9K$38M+0.38%

Common-stock position only; options are excluded. Quarters where the fund filed no 13F or reported no position are absent. See Marshall Wace, LLP’s full portfolio or all institutional holders of TMO.