Monolithic Power Systems shares owned by Alliancebernstein
Quarter-by-quarter ownership of Monolithic Power Systems (MPWR) shares owned by Alliancebernstein
from 13F filings
Historical chart of Alliancebernstein investment in Monolithic Power Systems
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Quarterly reported holdings in Monolithic Power Systems by Alliancebernstein
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $258M | 281k | 920.64 |
| 2025-06-30 | $230M | 314k | 731.38 |
| 2025-03-31 | $190M | 327k | 579.98 |
| 2024-12-31 | $203M | 343k | 591.70 |
| 2024-09-30 | $411M | 445k | 924.50 |
| 2024-06-30 | $410M | 498k | 821.68 |
| 2024-03-31 | $199M | 294k | 677.42 |
| 2023-12-31 | $206M | 327k | 630.78 |
| 2023-09-30 | $166M | 360k | 462.00 |
| 2023-06-30 | $177M | 327k | 540.23 |
| 2023-03-31 | $226M | 452k | 500.54 |
| 2022-12-31 | $188M | 531k | 353.61 |
| 2022-09-30 | $164M | 452k | 363.40 |
| 2022-06-30 | $198M | 516k | 384.04 |
| 2022-03-31 | $293M | 603k | 485.68 |
| 2021-09-30 | $306M | 631k | 484.68 |
| 2021-06-30 | $265M | 711k | 373.45 |
| 2021-03-31 | $231M | 653k | 353.21 |
| 2020-12-31 | $210M | 573k | 366.23 |
| 2020-09-30 | $77M | 274k | 279.61 |
| 2020-06-30 | $120M | 506k | 237.00 |
| 2020-03-31 | $87M | 518k | 167.46 |
| 2019-12-31 | $110M | 620k | 178.02 |
| 2019-09-30 | $96M | 614k | 155.63 |
| 2019-03-31 | $80M | 588k | 135.49 |
| 2018-12-31 | $59M | 505k | 116.25 |
| 2018-09-30 | $85M | 680k | 125.53 |
| 2018-06-30 | $86M | 646k | 133.67 |
| 2018-03-31 | $72M | 624k | 115.77 |
| 2017-12-31 | $78M | 692k | 112.36 |
| 2017-09-30 | $72M | 671k | 106.55 |
| 2017-06-30 | $49M | 507k | 96.40 |
| 2017-03-31 | $35M | 383k | 92.10 |
| 2016-12-31 | $38M | 468k | 81.93 |
| 2016-09-30 | $37M | 462k | 80.50 |
| 2016-06-30 | $36M | 527k | 68.32 |
| 2015-12-31 | $34M | 659k | 51.20 |
| 2015-09-30 | $31M | 597k | 51.20 |
| 2015-03-31 | $49M | 927k | 52.65 |
| 2014-12-31 | $54M | 1.1M | 49.74 |
| 2014-09-30 | $48M | 1.1M | 44.05 |
| 2014-06-30 | $2.7M | 64k | 42.35 |
| 2014-03-31 | $2.6M | 67k | 38.78 |
| 2013-12-31 | $2.6M | 76k | 34.66 |
| 2013-09-30 | $2.3M | 75k | 30.28 |
| 2013-06-30 | $1.8M | 76k | 24.11 |
| 2013-03-31 | $1.8M | 73k | 24.37 |
| 2012-12-31 | $1.6M | 73k | 22.27 |
| 2012-09-30 | $1.3M | 68k | 19.75 |
| 2012-06-30 | $1.3M | 68k | 19.87 |
| 2012-03-31 | $1.3M | 68k | 19.68 |
| 2011-12-31 | $1.0M | 68k | 15.07 |
| 2011-09-30 | $1000k | 98k | 10.18 |
| 2011-06-30 | $1.5M | 98k | 15.42 |
| 2011-03-31 | $1.4M | 99k | 14.19 |
| 2010-12-31 | $1.6M | 99k | 16.52 |