NVIR additions & removals
Changes are observation-bounded: an addition is the first retained official snapshot containing a security after an earlier absence; a removal is its first retained absence. Baseline holdings receive no invented addition date.
Additions
| Ticker | Issuer | Observed date | Change |
|---|
| WBI | WaterBridge Infrastructure LLC | 2025-09-30 | Added / first present |
|---|
| ARIS | Aris Water Solutions Inc | 2024-12-31 | Added / first present |
|---|
| EXE | Expand Energy Corp | 2024-12-31 | Added / first present |
|---|
Removals
| Ticker | Issuer | Observed date | Change |
|---|
| ARIS | Aris Water Solutions Inc | 2025-09-30 | Removed / first absent |
|---|
| PXD | Pioneer Natural Resources Co | 2024-06-30 | Removed / first absent |
|---|
| CHK | Chesapeake Energy Corp | 2024-12-31 | Removed / first absent |
|---|
| OIS | Oil States International Inc | 2025-06-30 | Removed / first absent |
|---|
| STEP | STEP Energy Services Ltd | 2025-12-31 | Removed / first absent |
|---|