Talen Energy Corporation (TLN) ownership: Top institutional holder: VANGUARD GROUP INC ($1.67B). Insider activity: Net Seller (3 buys, 17 sells). SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| VANGUARD GROUP INC | 4457654.00 | $1.67B | 2025-12-31 |
| BlackRock, Inc. | 4090497.00 | $1.31B | 2026-03-31 |
| Rubric Capital Management LP | 3602171.00 | $1.15B | 2026-03-31 |
| MFN Partners Management, LP | 3000000.00 | $957.69M | 2026-03-31 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 2096199.00 | $669.17M | 2026-03-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 2046365.00 | $653.26M | 2026-03-31 |
| LONE PINE CAPITAL LLC | 1817947.00 | $580.34M | 2026-03-31 |
| Sachem Head Capital Management LP | 1547500.00 | $494.01M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-07-15 | |
| Sell | null | 2026-07-15 | |
| Sell | null | 2026-07-15 | |
| Sell | null | 2026-06-15 | |
| Sell | null | 2026-06-08 | |
| Sell | null | 2026-06-08 | |
| Sell | null | 2026-05-22 | |
| Sell | null | 2026-05-22 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.