Optiver Holding’s Thermo Fisher Scientific TMO Stock Holding History

Optiver Holding’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 Q1	$113K	Buy	+229	New	+$124K	﹤0.01%	881
2025 Q1	–	Sell	-591	Closed	-$307K	–	1580
2024 Q4	$307K	Buy	591 +210	+55%	+$115K	﹤0.01%	451
2024 Q3	$236K	Sell	381 -469	-55%	-$278K	﹤0.01%	450
2024 Q2	$470K	Buy	850 +409	+93%	+$234K	﹤0.01%	465
2024 Q1	$256K	Buy	441 +440	+44,000%	+$247K	﹤0.01%	461
2023 Q4	$531	Buy	+1	New	+$484	﹤0.01%	477
2023 Q3	–	Sell	-1	Closed	-$522	–	612
2023 Q2	$522	Buy	+1	New	+$540	﹤0.01%	458
2023 Q1	–	Sell	-1	Closed	-$1K	–	578
2022 Q4	$1K	Hold	1	–	–	﹤0.01%	437
2022 Q3	$1K	Buy	+1	New	+$560	﹤0.01%	381

Other funds holding TMO

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Franklin Resources San Mateo, California $408B AUM 30.18% 1-Year Est. Return

Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return

JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return

Optiver Holding's TMO Position: Q1 2026 in Review

Optiver Holding opened a new position in Thermo Fisher Scientific (TMO) in Q1 2026: 229 shares worth $113K. The stake represents ﹤0.01% of the portfolio and ranks #881 among its holdings. This is a return to the name: Optiver Holding previously reported a position in TMO as recently as Q4 2024.

Optiver Holding first reported a position in TMO in Q3 2022 and has held it in 9 quarters since. The position peaked at $470K in Q2 2024. 2,588 funds tracked by Wall St. Rank hold TMO as of Q1 2026.

Optiver Holding held 229 shares of Thermo Fisher Scientific worth $113K as of Q1 2026.
Thermo Fisher Scientific was a new Optiver Holding position in Q1 2026.
Thermo Fisher Scientific made up ﹤0.01% of Optiver Holding's portfolio in Q1 2026, its #881 holding.
Optiver Holding first reported a position in Thermo Fisher Scientific in Q3 2022 and has held it in 9 quarters since.
Optiver Holding's Thermo Fisher Scientific position peaked at $470K in Q2 2024.
2,588 funds tracked by Wall St. Rank held Thermo Fisher Scientific as of Q1 2026.

Based on Optiver Holding's 13F filing for Q1 2026, filed 15 May 2026.