AMBQ

Ambiq Micro, Inc.

+1.87 (+3.11%)前一交易日收盤 2026-09-17

美股 · NYSE · 製造 · Semiconductors & Related Devices

61.77USD93.5K成交股數1.5B市值1.9本益比(近四季)15.3股價營收比+89.7%營收年增(近四季)2026-11-05下次財報

內部人交易 SEC Form 4 · 董事、高階主管與持股 10% 以上股東 · 交易後兩個營業日內申報

買賣點與股價近一年

● 公開市場買進 · ● 公開市場賣出 · 空心 = 10b5-1 預設計畫(事先排程,不代表當下看法)。近一年,只畫 P / S 兩種代碼。

統計

近 90 天買進筆數 · 金額 · 人數	0 · 0.00 · 0
近 90 天賣出筆數 · 金額 · 人數	31 · 17.2M · 4
其中 10b5-1 計畫賣出	25 筆
近 180 天買進 · 賣出金額	0.00 · 33.5M
近 180 天淨額	−33.5M

公開市場買進(P)是內部人自掏腰包,通常比賣出更有資訊含量 —— 賣出的理由很多(繳稅、分散、買房),買進的理由只有一個。

10b5-1 是事先排定的交易計畫,執行時點不反映當下看法。獲配股票(A)、繳稅扣股(F)、選擇權執行(M)是薪酬流程,不是意見。

交易日	申報日	申報人	職稱	代碼	股數	價格	金額	交易後持股	原件
2026-09-15	09-15	Esaka Fumihide	Chief Executive Officer	S 公開市場賣出(10b5-1)	3.8K	59.56	225K	470K	SEC
2026-09-15	09-15	Esaka Fumihide	Chief Executive Officer	S 公開市場賣出(10b5-1)	9.6K	60.55	582K	461K	SEC
2026-09-15	09-15	Esaka Fumihide	Chief Executive Officer	M 選擇權執行	13.5K	8.12	110K	474K	SEC
2026-09-15	09-15	Esaka Fumihide	Chief Executive Officer	S 公開市場賣出(10b5-1)	100	61.00	6K	460K	SEC
2026-09-14	09-15	Chen Sean Chihhsiang	President and COO	S 公開市場賣出(10b5-1)	11.0K	60.24	663K	122K	SEC
2026-09-14	09-15	Chen Sean Chihhsiang	President and COO	M 選擇權執行	15.0K	8.12	122K	135K	SEC
2026-09-14	09-15	Chen Sean Chihhsiang	President and COO	S 公開市場賣出(10b5-1)	2.6K	59.36	154K	133K	SEC
2026-09-14	09-15	Chen Sean Chihhsiang	President and COO	S 公開市場賣出(10b5-1)	1.4K	60.83	85K	120K	SEC
2026-09-11	09-15	Esaka Fumihide	Chief Executive Officer	M 選擇權執行	50.0K	12.60	630K	510K	SEC
2026-09-11	09-15	Esaka Fumihide	Chief Executive Officer	S 公開市場賣出(10b5-1)	7.9K	63.86	506K	460K	SEC
2026-09-11	09-15	ZHANG KER	Director	S 公開市場賣出	9.1K	63.39	577K	21.3K	SEC
2026-09-11	09-15	ZHANG KER	Director	S 公開市場賣出	900	63.95	58K	20.4K	SEC
2026-09-11	09-15	Esaka Fumihide	Chief Executive Officer	S 公開市場賣出(10b5-1)	42.1K	63.27	2.7M	468K	SEC
2026-09-04	09-09	Chen Sean Chihhsiang	President and COO	M 選擇權執行	15.0K	8.12	122K	135K	SEC
2026-09-04	09-09	Chen Sean Chihhsiang	President and COO	S 公開市場賣出(10b5-1)	12.9K	57.09	735K	122K	SEC
2026-09-04	09-09	Chen Sean Chihhsiang	President and COO	S 公開市場賣出(10b5-1)	2.1K	57.68	123K	120K	SEC
2026-09-04	09-09	ZHANG KER	Director	M 選擇權執行	1.8K	5.88	10K	30.6K	SEC
2026-09-04	09-09	ZHANG KER	Director	S 公開市場賣出	185	56.92	11K	30.4K	SEC
2026-09-02	09-02	Esaka Fumihide	Chief Executive Officer	S 公開市場賣出(10b5-1)	1.5K	56.15	82K	470K	SEC
2026-09-02	09-02	Esaka Fumihide	Chief Executive Officer	M 選擇權執行	11.0K	12.60	139K	471K	SEC
2026-09-02	09-02	Esaka Fumihide	Chief Executive Officer	S 公開市場賣出(10b5-1)	9.6K	56.77	544K	460K	SEC
2026-09-01	09-02	Esaka Fumihide	Chief Executive Officer	S 公開市場賣出(10b5-1)	49.0K	56.39	2.8M	460K	SEC
2026-09-01	09-02	Esaka Fumihide	Chief Executive Officer	M 選擇權執行	49.0K	12.60	617K	509K	SEC
2026-08-31	09-02	Esaka Fumihide	Chief Executive Officer	S 公開市場賣出(10b5-1)	5.9K	56.87	335K	459K	SEC
2026-08-31	09-02	Esaka Fumihide	Chief Executive Officer	M 選擇權執行	13.5K	8.12	110K	465K	SEC
2026-08-31	09-02	Esaka Fumihide	Chief Executive Officer	S 公開市場賣出(10b5-1)	5.5K	57.75	318K	453K	SEC
2026-08-31	09-02	Esaka Fumihide	Chief Executive Officer	S 公開市場賣出(10b5-1)	2.1K	58.52	123K	451K	SEC
2026-08-31	09-02	Esaka Fumihide	Chief Executive Officer	M 選擇權執行	44.3K	12.60	558K	495K	SEC
2026-08-31	09-02	Esaka Fumihide	Chief Executive Officer	S 公開市場賣出(10b5-1)	15.6K	56.81	886K	480K	SEC
2026-08-31	09-02	Esaka Fumihide	Chief Executive Officer	S 公開市場賣出(10b5-1)	13.8K	57.70	796K	466K	SEC
2026-08-31	09-02	Esaka Fumihide	Chief Executive Officer	S 公開市場賣出(10b5-1)	5.6K	58.46	327K	460K	SEC
2026-08-27	08-28	Hanson Scott McLean	Chief Technology Officer	M 選擇權執行	27.5K	8.12	223K	249K	SEC
2026-08-27	08-28	Hanson Scott McLean	Chief Technology Officer	S 公開市場賣出	22.6K	59.69	1.3M	226K	SEC
2026-08-27	08-28	Hanson Scott McLean	Chief Technology Officer	S 公開市場賣出	4.9K	60.32	296K	221K	SEC
2026-08-26	08-28	Hanson Scott McLean	Chief Technology Officer	M 選擇權執行	10.0K	8.12	81K	221K	SEC
2026-08-26	08-28	Hanson Scott McLean	Chief Technology Officer	M 選擇權執行	27.5K	8.12	223K	249K	SEC
2026-08-26	08-28	Hanson Scott McLean	Chief Technology Officer	S 公開市場賣出	27.5K	59.58	1.6M	221K	SEC
2026-08-14	08-18	Hanson Scott McLean	Chief Technology Officer	S 公開市場賣出(10b5-1)	5.4K	64.41	348K	212K	SEC
2026-08-14	08-18	Hanson Scott McLean	Chief Technology Officer	S 公開市場賣出(10b5-1)	800	65.30	52K	211K	SEC
2026-08-14	08-18	Hanson Scott McLean	Chief Technology Officer	M 選擇權執行	7.0K	8.12	57K	218K	SEC
2026-08-14	08-18	Esaka Fumihide	Chief Executive Officer	M 選擇權執行	13.5K	8.12	110K	465K	SEC
2026-08-14	08-18	Esaka Fumihide	Chief Executive Officer	S 公開市場賣出(10b5-1)	1.3K	63.29	81K	463K	SEC
2026-08-14	08-18	Esaka Fumihide	Chief Executive Officer	S 公開市場賣出(10b5-1)	10.7K	64.40	690K	453K	SEC
2026-08-14	08-18	Esaka Fumihide	Chief Executive Officer	S 公開市場賣出(10b5-1)	1.5K	65.26	98K	451K	SEC
2026-08-14	08-18	Hanson Scott McLean	Chief Technology Officer	S 公開市場賣出(10b5-1)	800	63.26	51K	217K	SEC
2026-06-08	06-10	ZHANG KER	Director	A 獲配股票	5.0K	–	–	28.8K	SEC
2026-06-08	06-10	TAUTGES JOSEPH A	Director	A 獲配股票	5.0K	–	–	53.7K	SEC
2026-06-08	06-10	Chen Timothy	Director	A 獲配股票	5.0K	–	–	52.6K	SEC
2026-06-08	06-10	HSIEH Wen Hsuan	Director	A 獲配股票	5.0K	–	–	5.0K	SEC
2026-06-08	06-10	Banks Bernard Bennett	Director	A 獲配股票	5.0K	–	–	5.0K	SEC
2026-06-02	06-04	Winzeler Jeffrey G	Chief Financial Officer	M 選擇權執行	6.0K	16.80	100K	106K	SEC
2026-05-27	05-29	Chen Timothy	Director	S 公開市場賣出	24.2K	79.72	1.9M	23.9K	SEC
2026-05-27	05-29	Chen Timothy	Director	S 公開市場賣出	22.4K	78.85	1.8M	48.2K	SEC
2026-05-27	05-29	Chen Timothy	Director	S 公開市場賣出	20.7K	80.61	1.7M	3.3K	SEC
2026-05-27	05-29	Chen Timothy	Director	S 公開市場賣出	3.3K	81.57	266K	0	SEC
2026-05-15	05-18	Chen Sean Chihhsiang	President and COO	S 公開市場賣出	23.3K	71.37	1.7M	120K	SEC
2026-05-15	05-18	Winzeler Jeffrey G	Chief Financial Officer	M 選擇權執行	6.0K	16.80	100K	100K	SEC
2026-05-15	05-18	Hanson Scott McLean	Chief Technology Officer	M 選擇權執行	8.1K	8.12	66K	211K	SEC
2026-05-15	05-18	Esaka Fumihide	Chief Executive Officer	M 選擇權執行	45.5K	8.12	369K	437K	SEC
2026-05-15	05-18	Esaka Fumihide	Chief Executive Officer	M 選擇權執行	14.5K	12.60	183K	451K	SEC
2026-05-15	05-18	Chen Sean Chihhsiang	President and COO	M 選擇權執行	55.7K	5.88	327K	176K	SEC
2026-05-15	05-18	Chen Sean Chihhsiang	President and COO	S 公開市場賣出	32.4K	70.53	2.3M	144K	SEC
2026-05-14	05-18	Hanson Scott McLean	Chief Technology Officer	S 公開市場賣出	6.1K	69.59	424K	203K	SEC
2026-05-14	05-18	Hanson Scott McLean	Chief Technology Officer	S 公開市場賣出	200	70.50	14K	203K	SEC
2026-05-14	05-18	Esaka Fumihide	Chief Executive Officer	S 公開市場賣出	60.0K	70.02	4.2M	391K	SEC
2026-05-14	05-18	Winzeler Jeffrey G	Chief Financial Officer	M 選擇權執行	26.0K	16.80	437K	120K	SEC
2026-05-14	05-18	Winzeler Jeffrey G	Chief Financial Officer	S 公開市場賣出	25.9K	69.90	1.8M	94.5K	SEC
2026-05-14	05-18	Winzeler Jeffrey G	Chief Financial Officer	S 公開市場賣出	82	70.65	6K	94.4K	SEC
2026-05-14	05-18	Esaka Fumihide	Chief Executive Officer	M 選擇權執行	60.0K	8.12	487K	451K	SEC
2026-05-14	05-18	Hanson Scott McLean	Chief Technology Officer	M 選擇權執行	10.2K	8.12	83K	213K	SEC
2026-05-14	05-18	Hanson Scott McLean	Chief Technology Officer	S 公開市場賣出	3.9K	68.62	268K	209K	SEC
2026-04-02	04-06	Connors Michele Kim	General Counsel	S 公開市場賣出	660	26.04	17K	60.7K	SEC
2026-04-02	04-06	Connors Michele Kim	General Counsel	S 公開市場賣出	151	26.65	4K	60.6K	SEC
2026-03-06	04-02	Chen Sean Chihhsiang	President and COO	A 獲配股票	64.2K	–	–	120K	SEC
2026-03-06	04-02	Winzeler Jeffrey G	Chief Financial Officer	A 獲配股票	41.7K	–	–	94.4K	SEC
2026-03-06	04-02	Hanson Scott McLean	Chief Technology Officer	A 獲配股票	80.3K	–	–	203K	SEC
2026-03-06	04-02	Esaka Fumihide	Chief Executive Officer	A 獲配股票	161K	–	–	391K	SEC
2026-03-06	04-02	Connors Michele Kim	General Counsel	A 獲配股票	32.1K	–	–	61.4K	SEC
2026-03-06	03-10	Hanson Scott McLean	Chief Technology Officer	A 獲配股票	80.3K	–	–	203K	SEC
2026-03-06	03-10	Winzeler Jeffrey G	Chief Financial Officer	A 獲配股票	41.7K	–	–	94.4K	SEC

機構持股(13F) 管理規模 1 億美元以上的機構,每季末後 45 天內申報 · 最新 2026-06-30

前 25 大持有機構季末市值 · 與前一季股數比較

機構	持股	季末市值	股數季變化	動作
BlackRock, Inc.	1.4M	122M	新進	新進
德劭 D. E. Shaw & Co., Inc.	984K	86.9M	新進	新進
Atreides Management, LP	877K	77.4M	新進	新進
STATE STREET CORP	862K	76.1M	新進	新進
VANGUARD CAPITAL MANAGEMENT LLC	769K	67.9M	新進	新進
Two Sigma TWO SIGMA INVESTMENTS, LP	652K	57.6M	新進	新進
First Eagle Investment Management, LLC	489K	43.2M	新進	新進
GOLDMAN SACHS GROUP INC	447K	39.5M	新進	新進
GEODE CAPITAL MANAGEMENT, LLC	339K	30.0M	新進	新進
NEEDHAM INVESTMENT MANAGEMENT LLC	324K	28.6M	新進	新進
Schonfeld Strategic Advisors LLC	315K	27.9M	新進	新進
SILVERCREST ASSET MANAGEMENT GROUP LLC	309K	27.3M	新進	新進
JANE STREET GROUP, LLC	295K	26.0M	新進	新進
千禧 MILLENNIUM MANAGEMENT LLC	289K	25.5M	新進	新進
Driehaus Capital Management LLC	289K	25.5M	新進	新進
NEUBERGER BERMAN GROUP LLC	272K	24.0M	新進	新進
EMERALD ADVISERS, LLC	244K	21.5M	新進	新進
FRANKLIN RESOURCES INC	224K	19.8M	新進	新進
VOLORIDGE INVESTMENT MANAGEMENT, LLC	223K	19.7M	新進	新進
文藝復興 RENAISSANCE TECHNOLOGIES LLC	215K	19.0M	新進	新進
Walleye Capital LLC	215K	18.9M	新進	新進
BNP PARIBAS FINANCIAL MARKETS	204K	18.0M	新進	新進
BANK OF AMERICA CORP /DE/	203K	17.9M	新進	新進
JPMORGAN CHASE & CO	201K	17.1M	新進	新進
MORGAN STANLEY	182K	16.1M	新進	新進

持有機構數近 12 季

每季 13F 申報中持有本股的機構家數;綠柱 = 比上季少。機構數是「有多少人在船上」,不是「買了多少」。

持有機構 · 季變化	185 +88
新進 / 出清 / 加碼 / 減碼	185 / 0 / 0 / 0
機構合計持股 · 佔流通股	27.8M · 100.0%
合計季末市值	1.3B

13F 只申報多頭部位(含可轉債與選擇權,選擇權這裡已排除),不申報放空,也不申報 1 億美元以下的機構。同一集團多個申報主體會各算一家。

放空餘額 FINRA 每月兩次(15 日與月底結算)· 最新 2026-08-31

空單佔流通股近 13 個月

FINRA 每月兩次結算的空單餘額佔流通股數的比例,近 13 個月。滑到柱子看股數與回補天數。

空單股數	1.8M
與上期比	+5.0%
佔流通股數	7.48%
日均成交量	424K
回補天數	4.3 天

結算日	空單股數	與上期比	佔流通股	日均量	回補天數
2026-08-31	1.8M	+5.0%	7.48%	424K	4.3
2026-08-14	1.7M	-2.2%	7.13%	434K	4.0
2026-07-31	1.8M	-0.2%	7.29%	572K	3.1
2026-07-15	1.8M	+0.1%	7.31%	512K	3.5
2026-06-30	1.8M	+16.9%	7.30%	1.0M	1.7
2026-06-15	1.5M	+30.7%	6.24%	589K	2.6
2026-05-29	1.2M	+18.1%	4.78%	856K	1.4
2026-05-15	978K	-5.5%	4.04%	990K	1.0
2026-04-30	1.0M	-12.3%	4.28%	323K	3.2
2026-04-15	1.2M	-1.1%	4.88%	288K	4.1
2026-03-31	1.2M	+248.9%	4.93%	446K	2.7
2026-03-13	342K	+125.4%	1.41%	464K	1.0
2026-02-27	152K	-38.4%	0.63%	257K	1.0
2026-02-13	246K	+5.2%	1.02%	258K	1.0
2026-01-30	234K	-43.0%	0.97%	488K	1.0
2026-01-15	411K	-13.1%	1.70%	117K	3.5
2025-12-31	473K	+13.3%	1.95%	96.5K	4.9
2025-12-15	417K	+5.6%	1.73%	79.9K	5.2
2025-11-28	395K	+0.6%	1.63%	82.0K	4.8
2025-11-14	393K	+16.4%	1.63%	116K	3.4
2025-10-31	338K	-8.3%	1.40%	85.4K	4.0
2025-10-15	368K	-40.3%	1.52%	168K	2.2
2025-09-30	617K	+142.1%	2.55%	276K	2.2
2025-09-15	255K	+80.7%	1.05%	244K	1.0
2025-08-29	141K	-33.6%	0.58%	198K	1.0
2025-08-15	212K	-1.8%	0.88%	419K	1.0