HYDR 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 |
|---|
| FUELCELL ENERGY, INC. | FUELCELL ENERGY, INC. | 2024-11-30 | Added / first present |
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| BNYREPOS | BNY | 2024-08-31 | Added / first present |
|---|
| United States of America | United States of America | 2024-02-29 | Added / first present |
|---|
| LINDE PUBLIC LIMITED COMPANY | LINDE PUBLIC LIMITED COMPANY | 2023-05-31 | Added / first present |
|---|
| LIGHTNING EMOTORS, INC. | LIGHTNING EMOTORS, INC. | 2023-05-31 | Added / first present |
|---|
| United States of America | United States of America | 2023-02-28 | Added / first present |
|---|
| United States of America | United States of America | 2022-08-31 | Added / first present |
|---|
| LIGHTNING EMOTORS, INC. | LIGHTNING EMOTORS, INC. | 2022-05-31 | Added / first present |
|---|
| United States of America | United States of America | 2022-05-31 | Added / first present |
|---|
| United States of America | United States of America | 2022-02-28 | Added / first present |
|---|
Removals
| Ticker | Issuer | Observed date | Change |
|---|
| United States of America | United States of America | 2024-05-31 | Removed / first absent |
|---|
| LINDE PUBLIC LIMITED COMPANY | LINDE PUBLIC LIMITED COMPANY | 2024-08-31 | Removed / first absent |
|---|
| LIGHTNING EMOTORS, INC. | LIGHTNING EMOTORS, INC. | 2023-08-31 | Removed / first absent |
|---|
| United States of America | United States of America | 2023-05-31 | Removed / first absent |
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| United States of America | United States of America | 2022-11-30 | Removed / first absent |
|---|
| LIGHTNING EMOTORS, INC. | LIGHTNING EMOTORS, INC. | 2023-05-31 | Removed / first absent |
|---|
| United States of America | United States of America | 2022-08-31 | Removed / first absent |
|---|
| United States of America | United States of America | 2022-05-31 | Removed / first absent |
|---|
| AIR PRODUCTS AND CHEMICALS, INC. | AIR PRODUCTS AND CHEMICALS, INC. | 2025-11-30 | Removed / first absent |
|---|
| LINDE PUBLIC LIMITED COMPANY | LINDE PUBLIC LIMITED COMPANY | 2023-05-31 | Removed / first absent |
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| BALLARD POWER SYSTEMS INC. | BALLARD POWER SYSTEMS INC. | 2025-11-30 | Removed / first absent |
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| CHART INDUSTRIES, INC. | CHART INDUSTRIES, INC. | 2023-02-28 | Removed / first absent |
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| BLOOM ENERGY CORPORATION | BLOOM ENERGY CORPORATION | 2025-11-30 | Removed / first absent |
|---|
| NFI Group Inc. | NFI Group Inc. | 2025-08-31 | Removed / first absent |
|---|
| FUELCELL ENERGY, INC. | FUELCELL ENERGY, INC. | 2024-11-30 | Removed / first absent |
|---|
| Xebec Adsorption Inc | Xebec Adsorption Inc | 2022-05-31 | Removed / first absent |
|---|
| Nikola Corporation | Nikola Corporation | 2023-08-31 | Removed / first absent |
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| Advent Technologies Holdings Inc | Advent Technologies Holdings Inc | 2024-02-29 | Removed / first absent |
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| Hyzon Motors Inc | Hyzon Motors Inc | 2024-11-30 | Removed / first absent |
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