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 Q2	$220K	Buy	439 +210	+92%	+$101K	﹤0.01%	874
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 $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

Optiver Holding's TMO Position: Q2 2026 in Review

Optiver Holding increased its Thermo Fisher Scientific (TMO) stake by 92% in Q2 2026, buying an estimated $101K and bringing the position to 439 shares worth $220K. The position accounts for ﹤0.01% of the portfolio, ranked #874.

Optiver Holding first reported a position in TMO in Q3 2022 and has held it in 10 quarters since. The position peaked at $470K in Q2 2024. 2,623 funds tracked by Wall St. Rank hold TMO as of Q2 2026.

Optiver Holding held 439 shares of Thermo Fisher Scientific worth $220K as of Q2 2026.
Optiver Holding bought 210 Thermo Fisher Scientific shares in Q2 2026, an estimated $101K.
Thermo Fisher Scientific made up ﹤0.01% of Optiver Holding's portfolio in Q2 2026, its #874 holding.
Optiver Holding first reported a position in Thermo Fisher Scientific in Q3 2022 and has held it in 10 quarters since.
Optiver Holding's Thermo Fisher Scientific position peaked at $470K in Q2 2024.
2,623 funds tracked by Wall St. Rank held Thermo Fisher Scientific as of Q2 2026.

Based on Optiver Holding's 13F filing for Q2 2026, filed 12 Aug 2026.