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 |
|---|---|---|---|---|---|---|---|
|
Jan 29, 2026
Q4 2025
|
Vanguard Group Inc
Valley Forge, PA |
BUY
|
- |
312K+ 6.03% |
$22.7M - $29.8M
|
5.48M
$481M
|
|
|
Jan 14, 2026
Q4 2025
|
Exchange Traded Concepts, LLC
|
BUY
|
- |
81.7K+ 30.09% |
$5.95M - $7.8M
|
353K
$31M
|
|
|
Jan 09, 2026
Q4 2025
|
Sg Americas Securities, LLC
|
BUY
|
- |
55.2KNew |
$4.02M - $5.27M
|
55.2K
$4.85M
|
|
|
Jan 26, 2026
Q4 2025
|
Oak Harvest Investment Services
|
BUY
|
- |
27K+ 539.18% |
$1.96M - $2.57M
|
32K
$2.81M
|
|
|
Jan 29, 2026
Q4 2025
|
Imc Chicago, LLC
|
BUY
|
- |
17.1K+ 62.91% |
$1.25M - $1.64M
|
44.4K
$3.9M
|
|
|
Jan 16, 2026
Q4 2025
|
Sws Partners
|
BUY
|
- |
12.8K+ 16.72% |
$931K - $1.22M
|
89.2K
$7.83M
|
|
|
Jan 26, 2026
Q4 2025
|
Greenwood Capital Associates LLC
Greenwood, SC |
BUY
|
- |
6.12KNew |
$446K - $584K
|
6.12K
$537K
|
|
|
Jan 29, 2026
Q4 2025
|
Sanctuary Advisors, LLC
Indianapolis, IN |
BUY
|
- |
4.61KNew |
$336K - $440K
|
4.61K
$405K
|
|
|
Jan 27, 2026
Q4 2025
|
Krilogy Financial LLC
|
BUY
|
- |
3.13KNew |
$228K - $299K
|
3.13K
$275K
|
|
|
Jan 27, 2026
Q4 2025
|
Zurcher Kantonalbank (Zurich Cantonalbank)
Zurich, V8 |
BUY
|
- |
898+ 11.63% |
$65.4K - $85.8K
|
8.62K
$757K
|
|
|
Jan 20, 2026
Q4 2025
|
Steel Peak Wealth Management LLC
|
BUY
|
CALL |
800New |
$58.3K - $76.4K
|
800
$70.3K
|
|
|
Jan 21, 2026
Q4 2025
|
Flagship Harbor Advisors, LLC
|
BUY
|
- |
680New |
$49.6K - $64.9K
|
680
$59.7K
|
|
|
Jan 16, 2026
Q4 2025
|
Vista Investment Partners LLC
Oklahoma City, OK |
BUY
|
- |
606+ 6.96% |
$44.2K - $57.9K
|
9.32K
$818K
|
|
|
Jan 29, 2026
Q4 2025
|
Pictet Asset Management Holding Sa
Carouge, V8 |
BUY
|
- |
581+ 11.12% |
$42.3K - $55.5K
|
5.8K
$510K
|
|
|
Jan 08, 2026
Q4 2025
|
North Crest Asset Manangement, LLC
|
BUY
|
- |
264+ 8.03% |
$19.2K - $25.2K
|
3.55K
$312K
|
|
|
Jan 14, 2026
Q4 2025
|
Pallas Capital Advisors LLC
Braintree, MA |
BUY
|
- |
190+ 6.51% |
$13.8K - $18.1K
|
3.11K
$273K
|
|
|
Jan 27, 2026
Q4 2025
|
Asset Management One Co., Ltd.
|
BUY
|
- |
108+ 3.46% |
$7.87K - $10.3K
|
3.23K
$284K
|
|
|
Jan 29, 2026
Q4 2025
|
Torren Management, LLC
San Diego, CA |
BUY
|
- |
17New |
$1.24K - $1.62K
|
17
$1.49K
|
|
|
Jan 02, 2026
Q4 2025
|
Gamma Investing LLC
Foster City, CA |
BUY
|
- |
15+ 4.66% |
$1.09K - $1.43K
|
337
$29.6K
|
|
|
Jan 14, 2026
Q4 2025
|
Org Partners LLC
Roanoke, IN |
BUY
|
- |
10New |
$729 - $955
|
10
$878
|
|
|
Jan 23, 2026
Q4 2025
|
Optima Capital LLC
Portland, OR |
BUY
|
- |
7New |
$510 - $669
|
7
$615
|
|
|
Jan 15, 2026
Q4 2025
|
Trust CO
|
BUY
|
- |
7New |
$510 - $669
|
7
$615
|
|
|
Jan 08, 2026
Q4 2025
|
Versant Capital Management, Inc
|
BUY
|
- |
4+ 1.09% |
$292 - $382
|
371
$32.6K
|
|
|
Jan 16, 2026
Q4 2025
|
Ronald Blue Trust, Inc.
Brentwood, TN |
BUY
|
- |
3+ 1.09% |
$219 - $287
|
278
$24.4K
|
|
|
Jan 12, 2026
Q4 2025
|
Abound Wealth Management
Franklin, TN |
BUY
|
- |
2New |
$146 - $191
|
2
$176
|
|
| Q3 2025 | |||||||
|
Nov 12, 2025
Q3 2025
|
Barclays PLC
London, X0 |
BUY
|
- |
426K+ 121.74% |
$26.6M - $37.8M
|
775K
$68.1M
|
|
|
Nov 14, 2025
Q3 2025
|
Driehaus Capital Management LLC
Chicago, IL |
BUY
|
- |
381KNew |
$23.8M - $33.8M
|
381K
$33.5M
|
|
|
Nov 14, 2025
Q3 2025
|
Axa Investment Managers S.A.
Puteaux, I0 |
BUY
|
- |
333KNew |
$20.8M - $29.5M
|
333K
$29.2M
|
|
|
Nov 14, 2025
Q3 2025
|
Susquehanna International Group, LLP
Bala Cynwyd, PA |
BUY
|
PUT |
270K+ 198.9% |
$16.9M - $24M
|
406K
$35.7M
|
|
|
Nov 13, 2025
Q3 2025
|
Hel Ved Capital Management LTD
Central, K3 |
BUY
|
CALL |
224KNew |
$14M - $19.8M
|
224K
$19.6M
|
|
|
Nov 13, 2025
Q3 2025
|
Arrowstreet Capital, Limited Partnership
Boston, MA |
BUY
|
- |
204K+ 180.83% |
$12.7M - $18.1M
|
316K
$27.8M
|
|
|
Nov 14, 2025
Q3 2025
|
Morgan Stanley
New York, NY |
BUY
|
- |
166K+ 21.0% |
$10.4M - $14.8M
|
959K
$84.2M
|
|
|
Nov 12, 2025
Q3 2025
|
Handelsbanken Fonder Ab
|
BUY
|
- |
157K+ 1191.65% |
$9.79M - $13.9M
|
170K
$14.9M
|
|
|
Nov 14, 2025
Q3 2025
|
Goldman Sachs Group Inc
New York, NY |
BUY
|
- |
147K+ 40.9% |
$9.21M - $13.1M
|
508K
$44.6M
|
|
|
Nov 13, 2025
Q3 2025
|
Marshall Wace, LLP
London, X0 |
BUY
|
- |
133K+ 150.07% |
$8.28M - $11.8M
|
221K
$19.4M
|
|
|
Nov 14, 2025
Q3 2025
|
Steven Cohen
Point72 Asset Management, L.P. | Stamford, Ct
|
BUY
|
- |
122KNew |
$7.6M - $10.8M
|
122K
$10.7M
|
|
|
Nov 14, 2025
Q3 2025
|
Jericho Capital Asset Management L.P.
New York, NY |
BUY
|
- |
115K+ 10.46% |
$7.18M - $10.2M
|
1.21M
$107M
|
|
|
Nov 13, 2025
Q3 2025
|
Jane Street Group, LLC
New York, NY |
BUY
|
PUT |
108K+ 510.9% |
$6.74M - $9.57M
|
129K
$11.3M
|
|
|
Nov 14, 2025
Q3 2025
|
Mirae Asset Global Etfs Holdings Ltd.
Central, K3 |
BUY
|
- |
106K+ 37.7% |
$6.61M - $9.39M
|
386K
$33.9M
|
|
|
Nov 14, 2025
Q3 2025
|
Raymond James Financial Inc
St. Petersburg, FL |
BUY
|
- |
91.8K+ 369.61% |
$5.74M - $8.16M
|
117K
$10.2M
|
|
|
Nov 13, 2025
Q3 2025
|
Fuller & Thaler Asset Management, Inc.
San Mateo, CA |
BUY
|
- |
90.4K+ 8.89% |
$5.65M - $8.03M
|
1.11M
$97.3M
|
|
|
Nov 13, 2025
Q3 2025
|
Connor, Clark & Lunn Investment Management Ltd.
|
BUY
|
- |
85.7K+ 17.8% |
$5.35M - $7.61M
|
567K
$49.8M
|
|
|
Nov 14, 2025
Q3 2025
|
Trexquant Investment LP
Stamford, CT |
BUY
|
- |
84K+ 52.36% |
$5.25M - $7.46M
|
244K
$21.5M
|
|
|
Nov 14, 2025
Q3 2025
|
Hrt Financial LP
New York, NY |
BUY
|
- |
78.3KNew |
$4.89M - $6.95M
|
78.3K
$6.87M
|
|
|
Nov 14, 2025
Q3 2025
|
Sora Investors LLC
Bryn Mawr, PA |
BUY
|
- |
76.5K+ 100.73% |
$4.78M - $6.79M
|
152K
$13.4M
|
|
|
Nov 07, 2025
Q3 2025
|
Readystate Asset Management LP
Chicago, IL |
BUY
|
- |
72.9KNew |
$4.56M - $6.48M
|
72.9K
$6.41M
|
|
|
Nov 14, 2025
Q3 2025
|
G2 Investment Partners Management LLC
New York, NY |
BUY
|
- |
66KNew |
$4.12M - $5.86M
|
66K
$5.8M
|
|
|
Nov 13, 2025
Q3 2025
|
Jump Financial, LLC
Chicago, IL |
BUY
|
- |
63.1KNew |
$3.94M - $5.6M
|
63.1K
$5.54M
|
|
|
Nov 14, 2025
Q3 2025
|
Israel Englander
Millennium Management LLC | New York, Ny
|
BUY
|
- |
54.8K+ 85.53% |
$3.42M - $4.86M
|
119K
$10.4M
|
|
|
Nov 12, 2025
Q3 2025
|
Nuveen, LLC
Charlotte, NC |
BUY
|
- |
53.5K+ 10.59% |
$3.34M - $4.75M
|
558K
$49M
|
|