Two Sigma Investments’s Thermo Fisher Scientific TMO Stock Holding History

Two Sigma Investments’s Portfolio TMO Stock Details TMO Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$1.45M	Buy	+2,900	New	+$1.39M	﹤0.01%	3303
2026 Q1	–	Sell	-2,000	Closed	-$1.16M	–	4929
2025 Q4	$1.16M	Buy	+2,000	New	+$1.13M	﹤0.01%	2819
2022 Q1	–	Sell	-15,000	Closed	-$10M	–	4265
2021 Q4	$10M	Buy	15,000 +3,600	+32%	+$2.25M	0.02%	781
2021 Q3	$6.51M	Buy	11,400 +6,100	+115%	+$3.35M	0.01%	1037
2021 Q2	$2.67M	Buy	5,300 +3,700	+231%	+$1.75M	0.01%	1644
2021 Q1	$730K	Sell	1,600 -6,400	-80%	-$3.05M	﹤0.01%	2596
2020 Q4	$3.73M	Buy	+8,000	New	+$3.75M	0.01%	1102
2020 Q3	–	Sell	-1,000	Closed	-$362K	–	3557
2020 Q2	$362K	Hold	1,000	–	–	﹤0.01%	2246
2020 Q1	$284K	Sell	1,000 -17,000	-94%	-$5.36M	﹤0.01%	2360
2019 Q4	$5.85M	Buy	18,000 +11,300	+169%	+$3.43M	0.02%	873
2019 Q3	$1.95M	Buy	6,700 +300	+5%	+$85.9K	0.01%	1466
2019 Q2	$1.88M	Buy	6,400 +5,400	+540%	+$1.49M	0.01%	1480
2019 Q1	$274K	Sell	1,000 -15,000	-94%	-$3.73M	﹤0.01%	2654
2018 Q4	$3.58M	Buy	+16,000	New	+$3.75M	0.01%	956
2018 Q3	–	Sell	-9,000	Closed	-$1.86M	–	3583
2018 Q2	$1.86M	Sell	9,000 -32,000	-78%	-$6.79M	0.01%	1674
2018 Q1	$8.46M	Buy	41,000 +39,000	+1,950%	+$8.19M	0.03%	671
2017 Q4	$380K	Buy	+2,000	New	+$383K	﹤0.01%	2612
2017 Q2	–	Sell	-4,000	Closed	-$614K	–	3281
2017 Q1	$614K	Sell	4,000 -4,000	-50%	-$611K	﹤0.01%	2221
2016 Q4	$1.13M	Buy	8,000 +3,000	+60%	+$442K	﹤0.01%	1926
2016 Q3	$795K	Sell	5,000 -14,000	-74%	-$2.16M	﹤0.01%	2136
2016 Q2	$2.81M	Buy	+19,000	New	+$2.8M	0.01%	1062
2016 Q1	–	Sell	-11,000	Closed	-$1.56M	–	3127
2015 Q4	$1.56M	Buy	+11,000	New	+$1.47M	0.01%	1218

Other funds holding TMO

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Franklin Resources San Mateo, California $462B AUM 39.16% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return

Two Sigma Investments's TMO Position: Q2 2026 in Review

Two Sigma Investments reduced its Thermo Fisher Scientific (TMO) stake by 91% in Q2 2026, selling an estimated $82M and leaving 17,014 shares worth $8.53M. The position accounts for 0.01% of the portfolio, ranked #1639.

Two Sigma Investments first reported a position in TMO in Q2 2013 and has held it in 35 quarters since. The position peaked at $258M in Q2 2025. 2,620 funds tracked by Wall St. Rank hold TMO as of Q2 2026.

Two Sigma Investments held 17,014 shares of Thermo Fisher Scientific worth $8.53M as of Q2 2026.
Two Sigma Investments sold 170,879 Thermo Fisher Scientific shares in Q2 2026, an estimated $82M.
Thermo Fisher Scientific made up 0.01% of Two Sigma Investments's portfolio in Q2 2026, its #1639 holding.
Two Sigma Investments first reported a position in Thermo Fisher Scientific in Q2 2013 and has held it in 35 quarters since.
Two Sigma Investments's Thermo Fisher Scientific position peaked at $258M in Q2 2025.
2,620 funds tracked by Wall St. Rank held Thermo Fisher Scientific as of Q2 2026.

Based on Two Sigma Investments's 13F filing for Q2 2026, filed 14 Aug 2026.