CIK: 0000713676 | Pittsburgh, PA
| Quarter | Form Type | Holdings | Value | Filed | SEC |
|---|---|---|---|---|---|
| 13F-HR | 17255 | $201.8B | 2026-08-07 | SEC ↗ | |
| 13F-HR | 17145 | $173.2B | 2026-05-08 | SEC ↗ | |
| 13F-HR | 17135 | $183.1B | 2026-02-06 | SEC ↗ | |
| 13F-HR | 17124 | $164.9B | 2025-11-07 | SEC ↗ | |
| 13F-HR | 16834 | $155.2B | 2025-08-08 | SEC ↗ | |
| 13F-HR | 16541 | $191.0B | 2025-05-09 | SEC ↗ | |
| 13F-HR | 15956 | $149.6B | 2025-02-07 | SEC ↗ | |
| 13F-HR | 15960 | $156.7B | 2024-11-08 | SEC ↗ | |
| 13F-HR | 16061 | $150.2B | 2024-08-09 | SEC ↗ | |
| 13F-HR | 16025 | $143.9B | 2024-05-10 | SEC ↗ | |
Q4 2023Amended | 13F-HR/A | 15167 | $127.3B | 2024-02-09 | SEC ↗ |
| 13F-HR | 15246 | $116.8B | 2023-11-13 | SEC ↗ | |
| 13F-HR | 15410 | $117.4B | 2023-08-11 | SEC ↗ | |
| 13F-HR | 15271 | $114.0B | 2023-05-15 | SEC ↗ | |
| 13F-HR | 15613 | $104.1B | 2023-02-10 | SEC ↗ | |
| 13F-HR | 16112 | $4.3B | 2022-11-10 | SEC ↗ | |
| 13F-HR | 16260 | $3.3B | 2022-08-12 | SEC ↗ | |
| 13F-HR | 16141 | $3.1B | 2022-05-12 | SEC ↗ | |
| 13F-HR | 15783 | $3.2B | 2022-02-11 | SEC ↗ | |
| 13F-HR | 16620 | $2.7B | 2021-11-05 | SEC ↗ | |
| 13F-HR | 15597 | $2.8B | 2021-08-06 | SEC ↗ | |
| 13F-HR | 15251 | $2.6B | 2021-05-07 | SEC ↗ | |
| 13F-HR | 15299 | $2.5B | 2021-02-12 | SEC ↗ | |
| 13F-HR | 15223 | $2.3B | 2020-11-06 | SEC ↗ | |
Q2 2020Amended | 13F-HR/A | 15189 | $2.3B | 2020-08-07 | SEC ↗ |
| 13F-HR | 15155 | $1.9B | 2020-05-08 | SEC ↗ | |
| 13F-HR | 15301 | $2.4B | 2020-02-07 | SEC ↗ | |
| 13F-HR | 16235 | $2.3B | 2019-11-08 | SEC ↗ | |
| 13F-HR | 16397 | $2.5B | 2019-08-09 | SEC ↗ | |
| 13F-HR | 16149 | $2.6B | 2019-05-10 | SEC ↗ | |
| 13F-HR | 15860 | $2.5B | 2019-02-08 | SEC ↗ | |
| 13F-HR | 15429 | $2.9B | 2018-11-09 | SEC ↗ | |
| 13F-HR | 15574 | $3.3B | 2018-08-10 | SEC ↗ | |
| 13F-HR | 15349 | $3.3B | 2018-05-11 | SEC ↗ | |
| 13F-HR | 15223 | $3.2B | 2018-02-09 | SEC ↗ | |
| 13F-HR | 15106 | $2.9B | 2017-11-13 | SEC ↗ | |
| 13F-HR | 15013 | $2.6B | 2017-08-11 | SEC ↗ | |
| 13F-HR | 14827 | $2.3B | 2017-05-12 | SEC ↗ | |
| 13F-HR | 14601 | $2.1B | 2017-02-10 | SEC ↗ | |
| 13F-HR | 14431 | $2.2B | 2016-11-04 | SEC ↗ | |
| 13F-HR | 15715 | $2.1B | 2016-08-05 | SEC ↗ | |
| 13F-HR | 15581 | $2.2B | 2016-05-06 | SEC ↗ | |
| 13F-HR | 15496 | $2.2B | 2016-02-05 | SEC ↗ | |
| 13F-HR | 16299 | $2.1B | 2015-11-06 | SEC ↗ | |
| 13F-HR | 16469 | $2.3B | 2015-08-05 | SEC ↗ | |
| 13F-HR | 16373 | $1.9B | 2015-05-08 | SEC ↗ | |
Q4 2014Amended | 13F-HR/A | 14220 | $1.8B | 2015-02-06 | SEC ↗ |
| 13F-HR | 12895 | $1.7B | 2014-11-07 | SEC ↗ | |
| 13F-HR | 12439 | $1.6B | 2014-08-08 | SEC ↗ | |
| 13F-HR | 12083 | $1.3B | 2014-05-09 | SEC ↗ | |
| 13F-HR | 10726 | $1.3B | 2014-02-07 | SEC ↗ | |
| 13F-HR | 13463 | $1.3B | 2013-11-01 | SEC ↗ | |
| 13F-HR | 12715 | $1.2B | 2013-08-02 | SEC ↗ |