Latest Institutional Purchases of Ambarella Inc (AMBA)
This list provides information on the latest institutional transactions involving Ambarella Inc (AMBA) stock that were buys. The list includes the name of the institution, the number of shares exchanged, the range of values for the transaction, and the number of shares held by the institution after the purchase has occurred.
| Report Date | Institution (Fund) | Operation | Option | Shares change | Value Range | Shares Held | Trade History |
|---|---|---|---|---|---|---|---|
|
Nov 19, 2025
Q3 2025
|
Caitong International Asset Management Co., LTD
Hong Kong, K3 |
BUY
|
- |
195New |
$12.2K - $17.3K
|
195
$17.1K
|
|
|
Nov 14, 2025
Q3 2025
|
National Bank Of Canada
|
BUY
|
- |
182+ 18.88% |
$11.4K - $16.2K
|
1.15K
$101K
|
|
|
Nov 13, 2025
Q3 2025
|
Quadrant Capital Group LLC
Cincinnati, OH |
BUY
|
- |
178New |
$11.1K - $15.8K
|
178
$15.6K
|
|
|
Nov 03, 2025
Q3 2025
|
Arizona State Retirement System
|
BUY
|
- |
157+ 1.34% |
$9.81K - $13.9K
|
11.9K
$1.05M
|
|
|
Oct 31, 2025
Q3 2025
|
Vanguard Personalized Indexing Management, LLC
Oakland, CA |
BUY
|
- |
142+ 3.23% |
$8.87K - $12.6K
|
4.54K
$399K
|
|
|
Oct 27, 2025
Q3 2025
|
Stephens Inc
|
BUY
|
- |
137+ 3.74% |
$8.56K - $12.2K
|
3.8K
$334K
|
|
|
Nov 14, 2025
Q3 2025
|
Federation Des Caisses Desjardins Du Quebec
Levis, A8 |
BUY
|
- |
125+ 37.31% |
$7.81K - $11.1K
|
460
$40.4K
|
|
|
Oct 15, 2025
Q3 2025
|
Private Trust CO Na
|
BUY
|
- |
103+ 125.61% |
$6.44K - $9.15K
|
185
$16.3K
|
|
|
Nov 20, 2025
Q3 2025
|
Centaurus Financial, Inc.
|
BUY
|
- |
102+ 1.82% |
$6.37K - $9.06K
|
5.71K
$502K
|
|
|
Nov 19, 2025
Q3 2025
|
Danske Bank A/S
Copenhagen K, G7 |
BUY
|
- |
100New |
$6.25K - $8.88K
|
100
$8.78K
|
|
|
Oct 24, 2025
Q3 2025
|
Cedar Mountain Advisors, LLC
|
BUY
|
- |
100New |
$6.25K - $8.88K
|
100
$8.78K
|
|
|
Dec 02, 2025
Q3 2025
|
Allworth Financial LP
|
BUY
|
- |
92+ 30.46% |
$5.75K - $8.17K
|
394
$34.6K
|
|
|
Oct 28, 2025
Q3 2025
|
Nbt Bank N A
|
BUY
|
- |
73+ 730.0% |
$4.56K - $6.48K
|
83
$7.29K
|
|
|
Nov 04, 2025
Q3 2025
|
Jones Financial Companies Lllp
|
BUY
|
- |
71+ 36.41% |
$4.44K - $6.31K
|
266
$23.4K
|
|
|
Nov 05, 2025
Q3 2025
|
Smartleaf Asset Management LLC
Boston, MA |
BUY
|
- |
52+ 77.61% |
$3.25K - $4.62K
|
119
$10.5K
|
|
|
Oct 24, 2025
Q3 2025
|
Sumitomo Mitsui Ds Asset Management Company, LTD
|
BUY
|
- |
51+ 1.4% |
$3.19K - $4.53K
|
3.7K
$325K
|
|
|
Nov 14, 2025
Q3 2025
|
Ancora Advisors, LLC
Cleveland, OH |
BUY
|
- |
49New |
$3.06K - $4.35K
|
49
$4.3K
|
|
|
Nov 05, 2025
Q3 2025
|
Linden Thomas Advisory Services, LLC
Charlotte, NC |
BUY
|
- |
43+ 0.25% |
$2.69K - $3.82K
|
17.2K
$1.51M
|
|
|
Nov 10, 2025
Q3 2025
|
Ever Source Wealth Advisors, LLC
|
BUY
|
- |
36+ 8.65% |
$2.25K - $3.2K
|
452
$39.7K
|
|
|
Oct 21, 2025
Q3 2025
|
Signaturefd, LLC
Atlanta, GA |
BUY
|
- |
33+ 6.56% |
$2.06K - $2.93K
|
536
$47.1K
|
|
|
Nov 04, 2025
Q3 2025
|
Sbi Securities Co., Ltd.
Tokyo, M0 |
BUY
|
- |
27+ 10.84% |
$1.69K - $2.4K
|
276
$24.2K
|
|
|
Nov 12, 2025
Q3 2025
|
Steward Partners Investment Advisory, LLC
|
BUY
|
- |
25+ 14.29% |
$1.56K - $2.22K
|
200
$17.6K
|
|
|
Dec 16, 2025
Q3 2025
|
Keel Point, LLC
Huntsville, AL |
BUY
|
- |
21+ 0.21% |
$1.31K - $1.87K
|
10K
$881K
|
|
|
Nov 14, 2025
Q3 2025
|
Larson Financial Group LLC
|
BUY
|
- |
20+ 11.9% |
$1.25K - $1.78K
|
188
$16.5K
|
|
|
Oct 06, 2025
Q3 2025
|
Moody National Bank Trust Division
|
BUY
|
- |
20+ 0.15% |
$1.25K - $1.78K
|
13K
$1.14M
|
|
|
Nov 10, 2025
Q3 2025
|
Clearstead Advisors, LLC
Cleveland, OH |
BUY
|
- |
19+ 475.0% |
$1.19K - $1.69K
|
23
$2.02K
|
|
|
Nov 06, 2025
Q3 2025
|
Assetmark, Inc
|
BUY
|
- |
19New |
$1.19K - $1.69K
|
19
$1.67K
|
|
|
Oct 15, 2025
Q3 2025
|
Global X Japan Co., Ltd.
Chiyoda Ku, Tokyo, M0 |
BUY
|
- |
19+ 12.58% |
$1.19K - $1.69K
|
170
$14.9K
|
|
|
Oct 14, 2025
Q3 2025
|
Farther Finance Advisors, LLC
San Francisco, CA |
BUY
|
- |
19+ 0.97% |
$1.19K - $1.69K
|
1.97K
$173K
|
|
|
Oct 21, 2025
Q3 2025
|
Global Retirement Partners, LLC
|
BUY
|
- |
18+ 54.55% |
$1.12K - $1.6K
|
51
$4.48K
|
|
|
Oct 23, 2025
Q3 2025
|
Nisa Investment Advisors, LLC
|
BUY
|
- |
17+ 4.46% |
$1.06K - $1.51K
|
398
$35K
|
|
|
Nov 05, 2025
Q3 2025
|
Bessemer Group Inc
Woodbridge, NJ |
BUY
|
- |
16New |
$1K - $1.42K
|
16
$1.41K
|
|
|
Nov 12, 2025
Q3 2025
|
Principal Securities, Inc.
Des Moines, IA |
BUY
|
- |
11+ 23.91% |
$687 - $977
|
57
$5.01K
|
|
|
Oct 30, 2025
Q3 2025
|
Bailard, Inc.
|
BUY
|
- |
8+ 0.19% |
$500 - $710
|
4.21K
$370K
|
|
|
Dec 02, 2025
Q3 2025
|
Ifp Advisors, Inc
|
BUY
|
- |
3+ 2.03% |
$187 - $266
|
151
$13.3K
|
|
|
Nov 14, 2025
Q3 2025
|
California State Teachers Retirement System
West Sacramento, CA |
BUY
|
- |
2+ 0.01% |
$125 - $178
|
36.3K
$3.19M
|
|
|
Nov 13, 2025
Q3 2025
|
Tortoise Investment Management, LLC
|
BUY
|
- |
2New |
$125 - $178
|
2
$176
|
|
|
Nov 21, 2025
Q3 2025
|
Cibc Private Wealth Group, LLC
|
BUY
|
- |
1+ 0.63% |
$62.5 - $88.8
|
161
$14.1K
|
|
|
Nov 14, 2025
Q3 2025
|
Measured Wealth Private Client Group, LLC
|
BUY
|
- |
1New |
$62.5 - $88.8
|
1
$87.8
|
|
|
Nov 12, 2025
Q3 2025
|
Sterling Capital Management LLC
Charlotte, NC |
BUY
|
- |
1+ 1.02% |
$62.5 - $88.8
|
99
$8.7K
|
|
| Q2 2025 | |||||||
|
Aug 14, 2025
Q2 2025
|
Lmr Partners LLP
London, X0 |
BUY
|
- |
150KNew |
$6.05M - $10.4M
|
150K
$13.2M
|
|
|
Aug 14, 2025
Q2 2025
|
Potrero Capital Research LLC
San Francisco, CA |
BUY
|
PUT |
150KNew |
$6.05M - $10.4M
|
150K
$13.2M
|
|
|
Aug 14, 2025
Q2 2025
|
Caption Management, LLC
Oklahoma City, OK |
BUY
|
PUT |
150KNew |
$6.05M - $10.4M
|
150K
$13.2M
|
|
|
Jul 29, 2025
Q2 2025
|
Stanley Laman Group, Ltd.
Berwyn, PA |
BUY
|
- |
111KNew |
$4.48M - $7.7M
|
111K
$9.76M
|
|
|
Aug 14, 2025
Q2 2025
|
Jain Global LLC
New York, NY |
BUY
|
- |
102KNew |
$4.1M - $7.04M
|
102K
$8.93M
|
|
|
Aug 13, 2025
Q2 2025
|
Healthcare Of Ontario Pension Plan Trust Fund
Toronto, A6 |
BUY
|
- |
71.2KNew |
$2.87M - $4.93M
|
71.2K
$6.25M
|
|
|
Aug 14, 2025
Q2 2025
|
Susquehanna Portfolio Strategies, LLC
Bala Cynwyd, PA |
BUY
|
- |
48.9KNew |
$1.97M - $3.39M
|
48.9K
$4.29M
|
|
|
Aug 14, 2025
Q2 2025
|
Shellback Capital, LP
Boston, MA |
BUY
|
- |
43.7KNew |
$1.76M - $3.03M
|
43.7K
$3.84M
|
|
|
Jul 24, 2025
Q2 2025
|
Katamaran Capital LLP
London, X0 |
BUY
|
- |
20.6KNew |
$830K - $1.43M
|
20.6K
$1.81M
|
|
|
Aug 14, 2025
Q2 2025
|
Winton Group LTD
London, X0 |
BUY
|
- |
13.6KNew |
$547K - $940K
|
13.6K
$1.19M
|
|