Form 13-F position report

FIRSTENERGY CORP

Reported by LOOMIS SAYLES & CO L P

FE 4 05/01/26 CUSIP 337932AR8 Manager CIK 0000312348

Reported 5,379 shares, up 14 (0.3%) from the prior quarter.

Reported value 14.1%; share count 0.3% vs. the prior quarter.

Added
% of reported 13F value < 0.01% This manager · Q3 2025
Shares 5,379 Quarter-end amount reported
Reported value $246,455 Fair value at quarter end
Consecutive quarters held 5 Through Q3 2025

Reported position value by quarter

Reported position value by quarter

Each bar is a Form 13-F quarter-end snapshot. It does not show trades made within the quarter.

Reported position value by quarter
Date Holding Value
2024-09-30 6891000
2024-12-31 20586000
2025-03-31 217000
2025-06-30 215995
2025-09-30 246455
2025-12-31 0

Quarterly position history

How this manager's reported quarter-end position changed over time.

6 quarters
Quarterly reported position history for FIRSTENERGY CORP held by LOOMIS SAYLES & CO L P.
Quarter Activity Shares Change % of reported 13F Reported value Filed Source filing
Q4 2025 Reduced 0 -5,379 (-100.0%) 0 $0 2026-02-12
Q3 2025 Added 5,379 +14 (0.3%) < 0.01% $246,455 2025-11-13
Q2 2025 Unchanged 5,365 0 (0.0%) < 0.01% $215,995 2025-08-13
Q1 2025 Reduced 5,365 -512,137 (-99.0%) < 0.01% $217,000 2025-05-14
Q4 2024 Added 517,502 +362,121 (233.1%) 0.03% $20,586,000 2025-02-12
Q3 2024 New 155,381 +155,381 (0.0%) < 0.01% $6,891,000 2024-11-13

Who else reported the position

44 managers reported FIRSTENERGY CORP for Q3 2025.

Managers reporting FIRSTENERGY CORP in Q3 2025.
Manager Activity Shares Change % of reported 13F Reported value Tenure
Shaolin Capital Management LLC Added 92,562,000 +77,562,000 4.23% $97,874,102 5 qtrs
AQR Arbitrage LLC Reduced 25,682,000 -10,188,000 0.68% $26,702,860 6 qtrs
Aequim Alternative Investments LP Unchanged 20,000,000 0 0.46% $20,795,000 6 qtrs
SHENKMAN CAPITAL MANAGEMENT INC Added 15,984,000 +15,000,000 1.66% $16,885,764 6 qtrs
CAPSTONE INVESTMENT ADVISORS LLC Unchanged 16,000,000 0 0.03% $16,636,000 6 qtrs
TORONTO DOMINION BANK Reduced 15,000,000 -2,500,000 0.02% $15,765,639 3 qtrs
BANK OF MONTREAL Unchanged 14,589,000 0 < 0.01% $15,182,772 6 qtrs
NOMURA HOLDINGS INC Reduced 330,530 -3,979 0.02% $15,144,881 5 qtrs
Citigroup Inc Added 13,871,000 +3,050,000 < 0.01% $14,405,034 6 qtrs
UBS OCONNOR LLC Unchanged 10,000,000 0 0.31% $10,400,000 2 qtrs
Premium adds each manager's conviction percentile across reporting peers.
Filing details and methodology As reported
Report period
September 30, 2025
Filed
November 13, 2025
Filing type
13F-HR
Position type
CV BND

Voting authority reported

Sole
0
Shared
0
None
5,379

“None” means the manager reported no voting authority for those shares on non-routine matters. It does not disclose why and is not evidence of securities lending.

Form 13-F is a delayed quarter-end snapshot of disclosed long Section 13(f) securities. It can be filed up to 45 days after quarter end, excludes short positions and most non-U.S. securities, and does not reveal intra-quarter trading. For options, reported shares and value describe the underlying-share exposure; strike, expiry, premium, and written positions are not disclosed.