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WESTFIELD CAPITAL MANAGEMENT CO LP

Position in CSX — Csx Corp

CIK 1177719 BOSTON, MA

Position in CSX

as of Jun 30, 2026 · filed Aug 12, 2026
Position Value
$149,929,535
+$81,856,362 QoQ
Shares Held
3,154,419
+90.2% QoQ
Ownership
0.170%
of shares outstanding
% of Portfolio
0.49%
of 13F equity value
Holder Rank
#66
of 1,986 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 72% Shared 0% None 28%

Common Shares in CSX Over Time

Shares Held

Position Value (USD)

Position in Railroads

Industrials · as of Jun 30, 2026

WESTFIELD CAPITAL MANAGEMENT CO LP holds $150,600,839 across 2 Railroads names. CSX ranks #1 (99.6% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 CSX
Csx Corp
This page
3,154,419 $149,929,535

All Filings in CSX

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26 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $149,929,535 3,154,419
2026-03-31 $68,073,173 1,658,299
2025-12-31 $61,824,628 1,705,507
2025-09-30 $56,552,160 1,592,570
2025-06-30 $54,591,784 1,673,055
2025-03-31 $51,591,408 1,753,021
2024-12-31 $108,726,697 3,369,281
2024-09-30 $987,212 28,590
2024-06-30 $956,335 28,590
2024-03-31 $1,059,831 28,590
2023-12-31 $991,215 28,590
2023-09-30 $879,142 28,590
2023-06-30 $974,919 28,590
2023-03-31 $855,984 28,590
2022-12-31 $885,718 28,590
2022-09-30 $761,637 28,590
2022-06-30 $830,825 28,590
2022-03-31 $1,070,695 28,590
2021-12-31 $1,074,984 28,590
2021-09-30 $850,266 28,590
2021-06-30 $917,167 28,590
2021-03-31 $918,882 9,530
2020-12-31 $864,847 9,530
2020-09-30 $740,195 9,530
2020-06-30 $664,623 9,530
2020-03-31 $546,069 9,530