BlackRock, Inc.Reduced
- Quarter
- Mar 31, 2026
- Shares held
- 3,789,215
- Share change
- -38,275
- Value change
- -$1.97M
SEC FORM 13F
AMBARELLA INC (AMBA) institutional 13F changes
Institutional holding changes reported on SEC Form 13F, classified as new, added, reduced or sold out, with a direct filing source for every row.
Last updated: 07/07/2026, 06:05 PM UTCAll AMBA stock data
- Recent 13F changes
- 12
- Institutions
- 12
- Bought / reduced
- 7 / 5
- Latest report period
- Mar 31, 2026
Institutional 13F changes
Newest filings first| Quarter | Institution | Type | Shares held | Share change | Value change | Source |
|---|---|---|---|---|---|---|
| Mar 31, 2026 | BlackRock, Inc. | Reduced | 3,789,215 | -38,275 | -$1.97M | SEC 13F ↗ |
| Mar 31, 2026 | Vanguard Portfolio Management LLC | Sold out | 3,716,863 | — | — | SEC 13F ↗ |
| Mar 31, 2026 | State Street Corp | Added | 1,976,464 | +274,083 | +$14.11M | SEC 13F ↗ |
| Mar 31, 2026 | Vanguard Capital Management LLC | New position | 1,814,603 | +1,814,603 | +$93.41M | SEC 13F ↗ |
| Mar 31, 2026 | Millennium Management LLC | Added | 1,512,539 | +1,342,686 | +$69.11M | SEC 13F ↗ |
| Mar 31, 2026 | Geode Capital Management, LLC | Added | 1,029,229 | +9,180 | +$472.65K | SEC 13F ↗ |
| Mar 31, 2026 | Citadel Advisors LLC | Added | 931,862 | +396,309 | +$20.4M | SEC 13F ↗ |
| Mar 31, 2026 | Legal & General Group Plc | Added | 926,396 | +312,482 | +$16.09M | SEC 13F ↗ |
| Dec 31, 2024 | Nuveen Asset Management, LLC | Reduced | 603,541 | -16,748 | -$1.22M | SEC 13F ↗ |
| Mar 31, 2026 | Morgan Stanley | Reduced | 724,655 | -186,861 | -$9.62M | SEC 13F ↗ |
| Mar 31, 2026 | Dimensional Fund Advisors LP | Added | 638,587 | +140,080 | +$7.21M | SEC 13F ↗ |
| Mar 31, 2026 | Point72 Asset Management, L.P. | Reduced | 546,211 | -482,435 | -$24.83M | SEC 13F ↗ |
- Quarter
- Mar 31, 2026
- Shares held
- 3,716,863
- Share change
- —
- Value change
- —
State Street CorpAdded
- Quarter
- Mar 31, 2026
- Shares held
- 1,976,464
- Share change
- +274,083
- Value change
- +$14.11M
Vanguard Capital Management LLCNew position
- Quarter
- Mar 31, 2026
- Shares held
- 1,814,603
- Share change
- +1,814,603
- Value change
- +$93.41M
- Quarter
- Mar 31, 2026
- Shares held
- 1,512,539
- Share change
- +1,342,686
- Value change
- +$69.11M
- Quarter
- Mar 31, 2026
- Shares held
- 1,029,229
- Share change
- +9,180
- Value change
- +$472.65K
Citadel Advisors LLCAdded
- Quarter
- Mar 31, 2026
- Shares held
- 931,862
- Share change
- +396,309
- Value change
- +$20.4M
- Quarter
- Mar 31, 2026
- Shares held
- 926,396
- Share change
- +312,482
- Value change
- +$16.09M
Nuveen Asset Management, LLCReduced
- Quarter
- Dec 31, 2024
- Shares held
- 603,541
- Share change
- -16,748
- Value change
- -$1.22M
Morgan StanleyReduced
- Quarter
- Mar 31, 2026
- Shares held
- 724,655
- Share change
- -186,861
- Value change
- -$9.62M
- Quarter
- Mar 31, 2026
- Shares held
- 638,587
- Share change
- +140,080
- Value change
- +$7.21M
- Quarter
- Mar 31, 2026
- Shares held
- 546,211
- Share change
- -482,435
- Value change
- -$24.83M
How to read this dataset
Form 13F is filed after quarter end and can lag current holdings. Share counts may be derived from reported value and filing price; derived values are identified as calculations.