SEC 13F Intelligence

Mason Street Advisors, LLC / TMO

Mason Street Advisors, LLC’s Thermo Fisher Scientific Inc Position

Does Mason Street Advisors, LLC own Thermo Fisher Scientific Inc (TMO)? Not currently — the last reported position was 54.7K shares worth $25M in Q4 2020; the fund’s latest 13F (Q1 2026) no longer reports it.

Position Value
$25M
Q4 2020
Shares
54.7K
% of Portfolio
+0.43%
Quarters Held
9
position exited

Position History TMO

Reported value by quarter
Q4 ’18: $13MQ4 ’18Q1 ’19: $16MQ2 ’19: $17MQ2 ’19Q3 ’19: $17MQ4 ’19: $19MQ4 ’19Q1 ’20: $16MQ2 ’20: $20MQ2 ’20Q3 ’20: $25MQ4 ’20: $25MQ4 ’20filingsflow.com
QuarterSharesValue% of Portfolio
Q4 202054.7K$25M+0.43%
Q3 202055.6K$25M+0.48%
Q2 202056.4K$20M+0.42%
Q1 202057.2K$16M+0.38%
Q4 201957.2K$19M+0.36%
Q3 201957.1K$17M+0.35%
Q2 201957.0K$17M+0.36%
Q1 201957.4K$16M+0.32%
Q4 201856.8K$13M+0.32%

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