Latest Institutional Transactions on Ambarella Inc (AMBA)
This table provides information on the latest institutional transactions involving Ambarella Inc (AMBA) stock. The table includes the name of the institution, the type of operation (buy or sell), whether options were involved, the number of shares exchanged, the range of values for the transaction, and the number of shares held by the institution after the transaction has occurred.
| Report Date | Institution (Fund) | Operation | Option | Shares change | Value Range | Shares Held | Trade History |
|---|---|---|---|---|---|---|---|
|
Oct 29, 2025
Q3 2025
|
Wealth Enhancement Advisory Services, LLC
|
BUY
|
- |
1.21K+ 17.35% |
$75.9K - $108K
|
8.21K
$721K
|
|
|
Oct 29, 2025
Q3 2025
|
North Crest Asset Manangement, LLC
|
SELL
|
- |
-145- 4.22% |
$9.06K - $12.9K
|
3.29K
$289K
|
|
|
Oct 28, 2025
Q3 2025
|
First National Advisers, LLC
Omaha, NE |
SELL
|
- |
-1.29K- 22.09% |
$80.6K - $115K
|
4.55K
$400K
|
|
|
Oct 28, 2025
Q3 2025
|
Nbt Bank N A
|
BUY
|
- |
73+ 730.0% |
$4.56K - $6.48K
|
83
$7.29K
|
|
|
Oct 28, 2025
Q3 2025
|
Stephens Investment Management Group LLC
|
SELL
|
- |
-16.4K- 3.33% |
$1.03M - $1.46M
|
477K
$41.9M
|
|
|
Oct 28, 2025
Q3 2025
|
Campbell & CO Investment Adviser LLC
Baltimore, MD |
BUY
|
- |
10.3K+ 291.61% |
$641K - $911K
|
13.8K
$1.21M
|
|
|
Oct 27, 2025
Q3 2025
|
Stephens Inc
|
BUY
|
- |
137+ 3.74% |
$8.56K - $12.2K
|
3.8K
$334K
|
|
|
Oct 27, 2025
Q3 2025
|
Robeco Schweiz Ag
|
SELL
|
- |
-5.58K- 2.2% |
$348K - $495K
|
248K
$21.7M
|
|
|
Oct 27, 2025
Q3 2025
|
Janney Montgomery Scott LLC
|
SELL
|
- |
-11- 0.35% |
$687 - $977
|
3.16K
$278K
|
|
|
Oct 24, 2025
Q3 2025
|
Sumitomo Mitsui Ds Asset Management Company, LTD
|
BUY
|
- |
51+ 1.4% |
$3.19K - $4.53K
|
3.7K
$325K
|
|
|
Oct 24, 2025
Q3 2025
|
Bayforest Capital LTD
London, X0 |
SELL
|
- |
-4.91K- 51.87% |
$307K - $436K
|
4.55K
$400K
|
|
|
Oct 24, 2025
Q3 2025
|
Cedar Mountain Advisors, LLC
|
BUY
|
- |
100New |
$6.25K - $8.88K
|
100
$8.78K
|
|
|
Oct 23, 2025
Q3 2025
|
State Of Alaska, Department Of Revenue
|
BUY
|
- |
1.97KNew |
$123K - $175K
|
1.97K
$173K
|
|
|
Oct 23, 2025
Q3 2025
|
Nisa Investment Advisors, LLC
|
BUY
|
- |
17+ 4.46% |
$1.06K - $1.51K
|
398
$35K
|
|
|
Oct 23, 2025
Q3 2025
|
Spire Wealth Management
|
SELL
|
- |
-5- 33.33% |
$312 - $444
|
10
$878
|
|
|
Oct 23, 2025
Q3 2025
|
Tributary Capital Management, LLC
|
BUY
|
- |
199K+ 88.47% |
$12.4M - $17.7M
|
424K
$37.2M
|
|
|
Oct 22, 2025
Q3 2025
|
Asset Management One Co., Ltd.
|
SELL
|
- |
-2.28K- 42.2% |
$143K - $203K
|
3.13K
$275K
|
|
|
Oct 22, 2025
Q3 2025
|
Commonwealth Equity Services, LLC
|
SELL
|
- |
-3.21K- 55.31% |
$200K - $285K
|
2.59K
$228K
|
|
|
Oct 22, 2025
Q3 2025
|
Robeco Institutional Asset Management B.V.
|
BUY
|
- |
7.16K+ 170.89% |
$448K - $636K
|
11.4K
$997K
|
|
|
Oct 22, 2025
Q3 2025
|
Cerity Partners LLC
New York, NY |
BUY
|
- |
3.32K+ 41.27% |
$208K - $295K
|
11.4K
$999K
|
|
|
Oct 22, 2025
Q3 2025
|
Core Cap Advisors, LLC
Southfield, MI |
BUY
|
- |
516New |
$32.2K - $45.8K
|
516
$45.3K
|
|
|
Oct 22, 2025
Q3 2025
|
Hennion & Walsh Asset Management, Inc.
|
SELL
|
- |
-457- 4.15% |
$28.6K - $40.6K
|
10.6K
$928K
|
|
|
Oct 21, 2025
Q3 2025
|
Signaturefd, LLC
Atlanta, GA |
BUY
|
- |
33+ 6.56% |
$2.06K - $2.93K
|
536
$47.1K
|
|
|
Oct 21, 2025
Q3 2025
|
Steel Peak Wealth Management LLC
|
BUY
|
- |
10.1KNew |
$633K - $900K
|
10.1K
$890K
|
|
|
Oct 21, 2025
Q3 2025
|
Banque Pictet & Cie Sa
|
SELL
|
- |
-30- 0.62% |
$1.87K - $2.66K
|
4.79K
$421K
|
|
|
Oct 21, 2025
Q3 2025
|
Global Retirement Partners, LLC
|
BUY
|
- |
18+ 54.55% |
$1.12K - $1.6K
|
51
$4.48K
|
|
|
Oct 20, 2025
Q3 2025
|
Los Angeles Capital Management LLC
|
BUY
|
- |
4.15K+ 56.27% |
$259K - $369K
|
11.5K
$1.01M
|
|
|
Oct 17, 2025
Q3 2025
|
Oak Harvest Investment Services
|
BUY
|
- |
5KNew |
$312K - $444K
|
5K
$439K
|
|
|
Oct 16, 2025
Q3 2025
|
Collar Capital Management, LLC
Appleton, WI |
SELL
|
- |
-100- 0.48% |
$6.25K - $8.88K
|
20.7K
$1.82M
|
|
|
Oct 16, 2025
Q3 2025
|
Sws Partners
|
BUY
|
- |
1.26K+ 1.68% |
$78.8K - $112K
|
76.4K
$6.71M
|
|
|
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 15, 2025
Q3 2025
|
Private Trust CO Na
|
BUY
|
- |
103+ 125.61% |
$6.44K - $9.15K
|
185
$16.3K
|
|
|
Oct 15, 2025
Q3 2025
|
Pacer Advisors, Inc.
Malvern, PA |
BUY
|
- |
1.55K+ 201.95% |
$97K - $138K
|
2.32K
$204K
|
|
|
Oct 15, 2025
Q3 2025
|
Cwm, LLC
|
BUY
|
- |
1.28K+ 21.18% |
$79.7K - $113K
|
7.3K
$641K
|
|
|
Oct 15, 2025
Q3 2025
|
Vista Investment Partners LLC
Oklahoma City, OK |
BUY
|
- |
8.71KNew |
$544K - $774K
|
8.71K
$765K
|
|
|
Oct 14, 2025
Q3 2025
|
Farther Finance Advisors, LLC
San Francisco, CA |
BUY
|
- |
19+ 0.97% |
$1.19K - $1.69K
|
1.97K
$173K
|
|
|
Oct 14, 2025
Q3 2025
|
Exchange Traded Concepts, LLC
|
SELL
|
- |
-99.3K- 26.79% |
$6.21M - $8.82M
|
271K
$23.8M
|
|
|
Oct 10, 2025
Q3 2025
|
Trust Point Inc.
La Crosse, WI |
BUY
|
- |
238+ 6.53% |
$14.9K - $21.1K
|
3.88K
$341K
|
|
|
Oct 09, 2025
Q3 2025
|
Voya Investment Management LLC
Atlanta, GA |
SELL
|
- |
-3.73K- 33.6% |
$233K - $331K
|
7.36K
$647K
|
|
|
Oct 09, 2025
Q3 2025
|
Advisor Net Financial, Inc
|
SELL
|
CALL |
-100- 33.33% |
$6.25K - $8.88K
|
200
$17.6K
|
|
|
Oct 09, 2025
Q3 2025
|
Advisor Net Financial, Inc
|
SELL
|
- |
-50- 12.82% |
$3.12K - $4.44K
|
340
$29.9K
|
|
|
Oct 07, 2025
Q3 2025
|
Heritage Family Offices, LLP
Scottsdale, AZ |
BUY
|
- |
2.87KNew |
$179K - $255K
|
2.87K
$252K
|
|
|
Oct 06, 2025
Q3 2025
|
Moody National Bank Trust Division
|
BUY
|
- |
20+ 0.15% |
$1.25K - $1.78K
|
13K
$1.14M
|
|
|
Oct 06, 2025
Q3 2025
|
Red Spruce Capital, LLC
|
SELL
|
- |
-21- 0.14% |
$1.31K - $1.87K
|
15K
$1.32M
|
|
|
Oct 02, 2025
Q3 2025
|
Gamma Investing LLC
Foster City, CA |
SELL
|
- |
-4- 1.23% |
$250 - $355
|
322
$28.3K
|
|
| Q2 2025 | |||||||
|
Nov 21, 2025
Q2 2025
|
Royal Bank Of Canada
Toronto, A6 |
BUY
|
- |
7.02K+ 10.84% |
$283K - $486K
|
71.8K
$6.3M
|
|
|
Oct 08, 2025
Q2 2025
|
New York State Common Retirement Fund
|
BUY
|
- |
1.5K+ 11.72% |
$60.4K - $104K
|
14.3K
$1.26M
|
|
|
Aug 29, 2025
Q2 2025
|
Total Investment Management Inc
Scottsdale, AZ |
BUY
|
- |
450New |
$18.1K - $31.2K
|
450
$39.5K
|
|
|
Aug 14, 2025
Q2 2025
|
Optiver Holding B.V.
Amsterdam, P7 |
BUY
|
- |
856New |
$34.5K - $59.3K
|
856
$75.2K
|
|
|
Aug 14, 2025
Q2 2025
|
Janus Henderson Group PLC
London, X0 |
SELL
|
- |
-14.7K- 45.11% |
$593K - $1.02M
|
17.9K
$1.57M
|
|