13F Insight
DOSSIER · 13F Holders · Q4 2025Utilities · Electric ServicesMega-capCrowded
TLN

TALEN ENERGY CORP

612 institutions still hold TALEN ENERGY CORP as of Q4 2025. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 87422Q109·Electric Services·612 13F holders·last filed Dec 31, 2025
Market cap
—
▼ 5.3%
vs prior quarter
13F value held
$9.9B
51.0% inst. owned
of float
Holders
612
+141 QoQ
filers reporting
Activity
+92 / −92
+935 added · −780 reduced
this quarter
Concentration
13.71%
Rubric Capital Management LP #1
top holder share
AI Holders Summary · Q4 2025

612 institutions reported TLN in Q4 2025. Rubric Capital Management LP leads at 13.7% of the visible book. +141 net new institutions vs prior quarter — accumulation reading.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
Rubric Capital Management LP
CIK 0001687509
$1.4B3.6M16.15%Q4 202502
BlackRock, Inc.
CIK 0002012383
$1.3B4.1M0.02%Q1 202603
MFN Partners Management, LP
CIK 0001732811
$958M3.0M20.06%Q1 202604
Vanguard Portfolio Management
CIK 0002100121
$669M2.1M0.04%Q1 202605
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$653M2.0M0.02%Q1 202606
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 0001446194· Market maker
$600M1.9M0.07%Q1 202607
LONE PINE CAPITAL LLC
CIK 0001061165
$484M1.3M3.56%Q4 202508
REAVES W H & CO INC
CIK 0000740913
$482M1.5M8.00%Q1 202609
STATE STREET CORP
CIK 0000093751
$429M1.3M0.01%Q1 202610
FRED ALGER MANAGEMENT, LLC
CIK 0000003520
$379M1.2M1.66%Q1 202611
Sachem Head Capital Management LP
CIK 0001582090
$375M1.0M8.79%Q4 202512
Invesco Ltd.
CIK 0000914208
$308M964K0.05%Q1 202613
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$291M910K0.02%Q1 202614
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
$272M852K0.11%Q1 202615
JANE STREET GROUP, LLC
CIK 0001595888· Market maker
$253M791K0.03%Q1 202616
Capital World Investors
CIK 0001422849
$247M775K0.03%Q1 202617
CITADEL ADVISORS LLC
CIK 0001423053
$231M616K0.03%Q4 202518
CARRONADE CAPITAL MANAGEMENT, LP
CIK 0001866872
$206M644K2.69%Q1 202619
Two Seas Capital LP
CIK 0001823138
$185M579K2.58%Q1 202620
FMR LLC
CIK 0000315066
$174M545K0.01%Q1 2026
Page 1 of 31
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