AMBA — AMBARELLA INC

Ownership history in Sigma Planning Corp  ·  5 quarters on record

This page tracks every 13F SEC filing in which Sigma Planning Corp reported a position in AMBARELLA INC (AMBA). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price — sourced directly from SEC EDGAR 13F filings.

Peak position
0.11% (2014 Q4)
Avg. % of fund
0.04%
First filed
2014 Q4
Last filed
2025 Q3
Quarters held
5
Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2025 Q3 ADDED 13,819 +8,166 +144.5% 0.03% $1.1M $82.52
2025 Q2 ADDED 5,653 +4,582 +427.8% 0.01% $373K $66.07
2021 Q4 REDUCED 1,071 -2,111 -66.3% 0.01% $217K $202.89
2015 Q2 REDUCED 3,182 -13,422 -80.8% 0.05% $327K $102.69
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% of Fund (quarterly)    AMBA price (monthly, adj. close)

Other funds also holding AMBA

As of 2025 Q4 — sorted by position size

Potrero Capital Research LLC 3Y 7Y 3.54% S Squared Technology, LLC 3Y 7Y 3.53% Shannon River Fund Management LLC 3Y 7Y 3.35% OBERWEIS ASSET MANAGEMENT INC/ 3Y 7Y 1.6% SWS Partners 3Y 7Y 1.53% WESTERLY CAPITAL MANAGEMENT, LLC 3Y 7Y 1.32% Jericho Capital Asset Management L.P. 3Y 7Y 1.28% SORA INVESTORS LLC 3Y 0.99% ESSEX INVESTMENT MANAGEMENT CO LLC 3Y 7Y 0.91% Slate Path Capital LP 3Y 7Y 0.78%
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