% of shares outstanding not shown: no SEC cover-page share count falls within 120 days of the 2026-Q1 quarter end, so any percentage would rest on a count that cannot speak for this quarter. Holder share counts are shown as filed.
Rows rank by the value each filer reported — 13F filers price their own positions, so a holder with fewer shares can rank just above one with more.
| Holder | 2024-Q4 | 2025-Q1 | 2025-Q2 | 2025-Q3 | 2025-Q4 | 2026-Q1 | Latest value |
|---|---|---|---|---|---|---|---|
| Bluescape Energy Partners LLC | 800K | 800K | 800K | 800K | 800K | 800K | $1M |
| BlackRock, Inc. | 172K | 166K | 160K | 159K | 163K | 159K | $268,901 |
| VANGUARD CAPITAL MANAGEMENT LLC | — | — | — | — | — | 123K | $207,093 |
| GEODE CAPITAL MANAGEMENT, LLC | 79K | 84K | 94K | 95K | 95K | 105K | $177,815 |
| STATE STREET CORP | 57K | 59K | 59K | 57K | 57K | 57K | $96,541 |
| NORTHERN TRUST CORP | 70K | 58K | 59K | 55K | 62K | 52K | $87,432 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | — | — | — | — | — | 25K | $41,562 |
| AQR CAPITAL MANAGEMENT LLC | — | — | — | 16K | 15K | 21K | $34,984 |
| STONERIDGE INVESTMENT PARTNERS LLC | 15K | 15K | 14K | 15K | 17K | 17K | $29,000 |
| VANGUARD FIDUCIARY TRUST CO | — | — | — | — | — | 13K | $22,551 |
| PNC FINANCIAL SERVICES GROUP, INC. | 2K | 7K | 3K | 5K | 4K | 12K | $19,492 |
| NEW YORK STATE COMMON RETIREMENT FUND | 10K | 10K | 10K | 10K | 10K | 10K | $17,248 |
| FMR LLC | 2K | 1K | 2K | 3K | 1K | 7K | $11,076 |
| HIGHBRIDGE CAPITAL MANAGEMENT LLC | — | — | — | — | — | 7K | $10,988 |
| Tower Research Capital LLC (TRC) | 3K | 3K | 5K | 4K | 4K | 6K | $9,954 |
Shares reported each quarter by the largest current holders. Green = added vs the prior filing, red = trimmed, grey = roughly held; a dash is a quarter with no 13F on file (a gap is skipped, not read as an exit). 13F is filed up to 45 days after quarter-end. Up to 40 quarters (10 years) available — use the selector above.
Line breaks are honest gaps — quarters with no 13F record, or a suppressed % — never interpolated. % of shares outstanding divides each quarter's as-filed 13F shares by the SEC cover-page share count dated to that same quarter (split-adjusted), not by today's count — so splits and buybacks don't move the line.
| Quarter | Holders | Shares held | % shares out | Value held |
|---|---|---|---|---|
| 2026-Q1 | 43 | 1,435,198 | — | $2M |
| 2025-Q4 | 36 | 1,458,137 | — | $3M |
| 2025-Q3 | 43 | 1,533,380 | — | $5M |
| 2025-Q2 | 39 | 1,531,589 | — | $5M |
| 2025-Q1 | 37 | 1,503,231 | 23.9% | $5M |
Short interest has its own tab now — open SI →
Source: SEC Form 13F — every institution manager (≥ $100M in 13F securities) reporting a long US-listed position, across ~10,250 filers over 10 years of history. 13F is long-only, US-listed, filed up to 45 days after quarter-end.
| Biggest buyers | Δ shares | Δ value | |
|---|---|---|---|
| VANGUARD CAPITAL MANAGEMENT LLC | +122,540 | $207,093 | OPEN |
| VANGUARD PORTFOLIO MANAGEMENT LLC | +24,593 | $41,562 | OPEN |
| VANGUARD FIDUCIARY TRUST CO | +13,344 | $22,551 | OPEN |
| GEODE CAPITAL MANAGEMENT, LLC | +10,329 | $17,456 | ADD |
| PNC FINANCIAL SERVICES GROUP, INC. | +7,527 | $12,721 | ADD |
| Biggest sellers | Δ shares | Δ value | |
|---|---|---|---|
| VANGUARD GROUP INC | −162,530 | $274,676 | CLOSE |
| MORGAN STANLEY | −13,164 | $22,247 | TRIM |
| CITADEL ADVISORS LLC | −12,125 | $20,491 | CLOSE |
| NORTHERN TRUST CORP | −10,602 | $17,917 | TRIM |
| BARCLAYS PLC | −5,638 | $9,528 | TRIM |
The 2025-Q4 register is as-filed in ITS OWN share basis; every count below was rebased into the 2026-Q1 basis (no split in between, factor 1). Dollar figures value the SHARE delta at one price — the 2026-03-31 close — rather than differencing two filings' own reported values, which would mix the quarter's price move into the trade figure.
13Fs disclose LONG US-listed positions only — shorts, most derivatives, bonds and non-US listings are invisible here, and a filer's quarter-over-quarter change is not necessarily a trade (index rebalances, in-kind transfers and entity successions all read as flow).
| 2024-Q4 | 34 | 1,527,136 | 24.3% | $6M |
| 2024-Q3 | 34 | 1,523,361 | 24.2% | $6M |
| 2024-Q2 | 32 | 1,534,760 | — | $6M |
| 2024-Q1 | 32 | 1,517,772 | — | $6M |
| 2023-Q4 | 35 | 1,491,797 | — | $4M |
| 2023-Q3 | 30 | 1,606,110 | — | $6M |
| 2023-Q2 | 28 | 1,485,107 | — | $9M |
| 2023-Q1 | 11 | 1,082,204 | — | $6M |
