Zimmer Partners’s CSX Corp CSX Stock Holding History

Zimmer Partners’s Portfolio CSX Stock Details CSX Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q4	–	Sell	-75,000	Closed	-$2.66M	–	134
2025 Q3	$2.66M	Buy	75,000 +62,800	+515%	+$2.14M	0.06%	120
2025 Q2	$398K	Sell	12,200 -77,800	-86%	-$2.34M	0.01%	145
2025 Q1	$2.65M	Buy	90,000 +7,500	+9%	+$238K	0.05%	141
2024 Q4	$2.66M	Buy	82,500 +5,400	+7%	+$185K	0.05%	128
2024 Q3	$2.66M	Hold	77,100	–	–	0.05%	122
2024 Q2	$2.58M	Hold	77,100	–	–	0.05%	125
2024 Q1	$2.86M	Hold	77,100	–	–	0.06%	106
2023 Q4	$2.67M	Buy	77,100 +12,500	+19%	+$398K	0.1%	78
2023 Q3	$1.99M	Buy	64,600 +3,000	+5%	+$95K	0.05%	98
2023 Q2	$2.1M	Buy	61,600 +3,900	+7%	+$123K	0.05%	91
2023 Q1	$1.73M	Sell	57,700 -492,300	-90%	-$15.1M	0.04%	84
2022 Q4	$17M	Sell	550,000 -237,500	-30%	-$7.14M	0.34%	53
2022 Q3	$21M	Buy	787,500 +162,500	+26%	+$5.05M	0.46%	47
2022 Q2	$18.2M	Buy	625,000 +475,000	+317%	+$15.5M	0.38%	50
2022 Q1	$5.62M	Sell	150,000 -100,000	-40%	-$3.54M	0.08%	94
2021 Q4	$9.4M	Sell	250,000 -75,000	-23%	-$2.64M	0.14%	84
2021 Q3	$9.67M	Sell	325,000 -23,156	-7%	-$741K	0.15%	96
2021 Q2	$11.2M	Sell	348,156 -214,344	-38%	-$7.07M	0.15%	89
2021 Q1	$18.1M	Buy	+562,500	New	+$17.2M	0.25%	81

Other funds holding CSX

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

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

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

T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return

Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return

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

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

Bank of New York Mellon New York $609B AUM 40.19% 1-Year Est. Return

Norges Bank Oslo, Norway $1T AUM

Zimmer Partners's CSX Position: Q4 2025 in Review

Zimmer Partners sold out of CSX Corp (CSX) in Q4 2025, closing a stake of 75,000 shares — an estimated $2.66M sold.

Zimmer Partners first reported a position in CSX in Q1 2021 and held it in 19 quarters. The position peaked at $21M in Q3 2022. 1,813 funds tracked by Wall St. Rank hold CSX as of Q4 2025.

Zimmer Partners reported no remaining CSX Corp position as of Q4 2025 after selling out during the quarter.
Zimmer Partners sold 75,000 CSX Corp shares in Q4 2025, an estimated $2.66M.
Zimmer Partners first reported a position in CSX Corp in Q1 2021 and held it in 19 quarters.
Zimmer Partners's CSX Corp position peaked at $21M in Q3 2022.
1,813 funds tracked by Wall St. Rank held CSX Corp as of Q4 2025.

Based on Zimmer Partners's 13F filing for Q4 2025, filed 17 Feb 2026.