SCHEDULE 13G Filed 2026-07-31 Event — SEC 0002100119-26-001348 →

VANGUARD CAPITAL MANAGEMENT LLC → Ambarella Inc AMBA

Stake: — Shares: — CUSIP: G037AX101 Class: Common Stock

Composite Decision Signal · PASS (LOW BASE-RATE EDGE) Conviction Score: 19/100

Passive Schedule 13G filer baseline
Held by 1 tracked 13F institutional manager
3 NPORT-P mutual funds holding CUSIP
Moderate short days-to-cover (4.3 DTC)

Item 4 — Purpose of Transaction

Not extracted from this filing — typically because it's an amendment (13D/A) and Item 4 is unchanged from the parent filing. Read the raw SEC filing →

Cross-References

Insider Activity (last 365d)

1 transaction

0 buys · 1 sales · 0 awards/exercises

Issuer Cluster

3 13D/G filings on this issuer

2 other filings besides this one

Filer Track Record

25 filings by this filer

24 other filings in the data moat

Short Interest · settle 2026-10-15

DTC 4.32

4,719,646 shares short · -8.4% vs prior

Institutional Consensus · 2025-12-31

Held by elite portfolio managers

1 holder · $72.85M

Point72 Asset Mgmt

Form 4 Insider Transactions · last 365d

Date	Insider	Role	Type	Shares	Price	Value
2026-04-21	Young John Alexander	officer	Sale	1,971	$60.00	$118K

Other 13D/G Filings on Ambarella Inc

Filed	Form	Filer	Stake	Shares
2026-08-14	SCHEDULE 13G	PRICE T ROWE ASSOCIATES INC /MD/	—	—	view →
2026-08-07	SCHEDULE 13G	STATE STREET CORP	—	—	view →

Other Filings by VANGUARD CAPITAL MANAGEMENT LLC

Filed	Form	Issuer	Stake	Shares
2026-10-30	SCHEDULE 13G	Acadia Realty Trust	—	—	view →
2026-10-30	SCHEDULE 13G	ADI Global Distribution Inc	—	—	view →
2026-10-30	SCHEDULE 13G	ADTRAN Holdings Inc	—	—	view →
2026-10-30	SCHEDULE 13G	AMC Entertainment Holdings Inc	—	—	view →
2026-09-04	SCHEDULE 13G	Liberty Media Corp	—	—	view →
2026-09-03	SCHEDULE 13G	FTAI Aviation Ltd.	—	—	view →
2026-09-03	SCHEDULE 13G	Liberty Media Corp	—	—	view →
2026-09-03	SCHEDULE 13G	Pediatrix Medical Group, Inc.	—	—	view →
2026-09-03	SCHEDULE 13G	ZIONS BANCORPORATION, NATIONAL ASSOCIATION /UT/	—	—	view →
2026-09-03	SCHEDULE 13G	BellRing Brands, Inc.	—	—	view →
2026-07-31	SCHEDULE 13G	Anavex Life Sciences Corp	—	—	view →
2026-07-31	SCHEDULE 13G	Antero Resources Corp	—	—	view →
2026-07-31	SCHEDULE 13G	Brady Corp	—	—	view →
2026-07-31	SCHEDULE 13G	Brandywine Realty Trust	—	—	view →
2026-07-31	SCHEDULE 13G	Ares Commercial Real Estate Corp	—	—	view →
2026-07-31	SCHEDULE 13G	Bancorp Inc/The	—	—	view →
2026-07-31	SCHEDULE 13G	BigBear.ai Holdings Inc	—	—	view →
2026-07-31	SCHEDULE 13G	Arbor Realty Trust Inc	—	—	view →
2026-07-31	SCHEDULE 13G	Avanos Medical Inc	—	—	view →
2026-07-31	SCHEDULE 13G	ARMOUR Residential REIT Inc	—	—	view →

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