Twin Tree Management’s Wabtec WAB Stock Holding History

Twin Tree Management’s Portfolio WAB Stock Details WAB Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2021 Q1	–	Sell	-6,000	Closed	-$439K	–	1633
2020 Q4	$439K	Buy	+6,000	New	+$410K	﹤0.01%	1050
2020 Q3	–	Sell	-18,400	Closed	-$1.06M	–	1616
2020 Q2	$1.06M	Hold	18,400	–	–	﹤0.01%	1033
2020 Q1	$886K	Buy	+18,400	New	+$1.26M	﹤0.01%	882
2019 Q4	–	Sell	-43,900	Closed	-$3.15M	–	1495
2019 Q3	$3.15M	Sell	43,900 -85,200	-66%	-$6.06M	0.01%	591
2019 Q2	$9.26M	Buy	129,100 +37,400	+41%	+$2.65M	0.05%	320
2019 Q1	$6.76M	Buy	+91,700	New	+$6.61M	0.04%	374
2018 Q4	–	Sell	-8,400	Closed	-$881K	–	1530
2018 Q3	$881K	Buy	+8,400	New	+$906K	0.01%	746

Other funds holding WAB

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

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

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

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

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

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

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

Fidelity International Hamilton, Bermuda $129B AUM 30.83% 1-Year Est. Return

Nordea Investment Management Stockholm, Sweden $107B AUM 24.58% 1-Year Est. Return

Select Equity Group New York $19.5B AUM 17.33% 1-Year Est. Return

Twin Tree Management's WAB Position: Q1 2026 in Review

Twin Tree Management opened a new position in Wabtec (WAB) in Q1 2026: 1,030 shares worth $257K. The stake represents 0.01% of the portfolio and ranks #1048 among its holdings. This is a return to the name: Twin Tree Management previously reported a position in WAB as recently as Q2 2025.

Twin Tree Management first reported a position in WAB in Q1 2015 and has held it in 21 quarters since. The position peaked at $3.08M in Q3 2024. 1,156 funds tracked by Wall St. Rank hold WAB as of Q1 2026.

Twin Tree Management held 1,030 shares of Wabtec worth $257K as of Q1 2026.
Wabtec was a new Twin Tree Management position in Q1 2026.
Wabtec made up 0.01% of Twin Tree Management's portfolio in Q1 2026, its #1048 holding.
Twin Tree Management first reported a position in Wabtec in Q1 2015 and has held it in 21 quarters since.
Twin Tree Management's Wabtec position peaked at $3.08M in Q3 2024.
1,156 funds tracked by Wall St. Rank held Wabtec as of Q1 2026.

Based on Twin Tree Management's 13F filing for Q1 2026, filed 14 May 2026.