Talen Energy Corporation
Talen Energy Corporation (TLN) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · TLN · as of Sep 30, 2025
Ownership Breakdown
604
Institutional Holders
▲ 98 vs Q2
$19.98B
Total Inst. Value
▲ $6.68B vs Q2
45.70M
Shares Outstanding
freeFloat 84.33%
46.93M
13F Shares Held
▲ 1.25M vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
TLN largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
VANGUARD GROUP INC electric services | 4.52M | 9.93% | 9.93% | $1.92T | Nov 7, 2025 | ▲ 117.3K |
BLACKROCK, INC. electric services | 4.24M | 9.32% | 9.32% | $1.81T | Nov 12, 2025 | ▲ 2.20M |
RUBRIC CAPITAL MANAGEMENT LP electric services | 3.60M | 7.91% | 7.91% | $1.53T | Nov 14, 2025 | ▼ 903.1K |
MFN PARTNERS MANAGEMENT, LP electric services | 3.00M | 6.59% | 6.59% | $1.28T | Nov 13, 2025 | — held |
FRED ALGER MANAGEMENT, LLC electric services | 1.66M | 3.65% | 3.65% | $707.73B | Nov 14, 2025 | ▼ 239.8K |
SUSQUEHANNA INTERNATIONAL GROUP, LLP electric services | 1.46M | 3.19% | 3.19% | $619.10B | Nov 14, 2025 | ▲ 521.9K |
REAVES W H & CO INC electric services | 1.41M | 3.10% | 3.10% | $600.01B | Nov 6, 2025 | ▲ 158.0K |
STATE STREET CORP electric services | 1.34M | 2.94% | 2.94% | $569.46B | Nov 14, 2025 | ▲ 627.5K |
LONE PINE CAPITAL LLC electric services | 1.19M | 2.62% | 2.62% | $507.27B | Nov 14, 2025 | ▲ 103.1K |
FMR LLC electric services | 1.16M | 2.55% | 2.55% | $494.19B | Nov 13, 2025 | ▲ 1.07M |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
30
Increased
+8.18M shares1
New Positions
first time holders17
Decreased
−4.07M shares0
Sold Out
fully exitedNet shares change (top 50)
+4.11M
+8.18M / −4.07M
Net new holders
+14
1 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
TLN insider trading · insider activity
Source: SEC Form 4
26
Buy transactions
40
Sell transactions
0.65
Buy/Sell ratio
$3M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
McFarland Mark Allen Chief Executive Officer | May 22, 2026 | Tax Withhold | 139,641 | $324.21 | $45.27M | 260.5K | Form 4 ↗ |
Berryman Brad Chief Operating Officer | May 22, 2026 | Tax Withhold | 43,047 | $324.21 | $13.96M | 67.7K | Form 4 ↗ |
Wright Andrew M Chief Administrative Officer | May 22, 2026 | Tax Withhold | 37,594 | $324.21 | $12.19M | 70.2K | Form 4 ↗ |
Lebsack Dale E Jr. Chief Asset Dev. Officer | May 22, 2026 | Tax Withhold | 33,692 | $324.21 | $10.92M | 62.9K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Talen Energy Corporation (TLN) is primarily owned by institutional investors, who hold approximately 100.0% of total shares outstanding. Company insiders own approximately 15.67%, while retail and public investors account for the remaining 0.00%.
The largest institutional shareholder of Talen Energy Corporation is VANGUARD GROUP INC, holding approximately 4.52 million shares — equal to 9.93% of outstanding shares — as of September 30, 2025.
A total of 604 institutional investors currently hold TLN stock, with a combined institutional value of approximately $19.98 billion as of the most recent 13F filing period.
Frequently asked questions
TLN ownershipTalen Energy Corporation (TLN) is primarily owned by institutional investors, who hold approximately 100.0% of shares. The largest shareholder is VANGUARD GROUP INC with a 9.93% stake. Company insiders hold 15.67%. Data sourced from SEC Form 13F as of September 30, 2025.