Latest Institutional Purchases of Ciena Corp (CIEN)
This list provides information on the latest institutional transactions involving Ciena Corp (CIEN) 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 |
|---|---|---|---|---|---|---|---|
|
Jul 21, 2025
Q2 2025
|
Vaughan Nelson Investment Management, L.P.
|
BUY
|
- |
976K+ 375.44% |
$52.2M - $81.9M
|
1.24M
$118M
|
|
|
Jul 11, 2025
Q2 2025
|
Assenagon Asset Management S.A.
|
BUY
|
- |
748K+ 1883.54% |
$40M - $62.7M
|
787K
$75.4M
|
|
|
Jul 29, 2025
Q2 2025
|
William Blair Investment Management, LLC
Chicago, IL |
BUY
|
- |
703K+ 35.05% |
$37.6M - $59M
|
2.71M
$260M
|
|
|
Aug 12, 2025
Q2 2025
|
Barrow Hanley Mewhinney & Strauss LLC
Dallas, TX |
BUY
|
- |
457K+ 12.04% |
$24.4M - $38.3M
|
4.25M
$407M
|
|
|
Aug 12, 2025
Q2 2025
|
American Century Companies Inc
Kansas City, MO |
BUY
|
- |
430K+ 877.53% |
$23M - $36.1M
|
479K
$45.9M
|
|
|
Aug 08, 2025
Q2 2025
|
Sg Capital Management LLC
Chicago, IL |
BUY
|
- |
405KNew |
$21.7M - $34M
|
405K
$38.8M
|
|
|
Aug 11, 2025
Q2 2025
|
Senvest Management, LLC
New York, NY |
BUY
|
- |
183K+ 12.42% |
$9.79M - $15.3M
|
1.66M
$159M
|
|
|
Aug 13, 2025
Q2 2025
|
Channing Capital Management, LLC
Chicago, IL |
BUY
|
- |
140KNew |
$7.47M - $11.7M
|
140K
$13.4M
|
|
|
Aug 13, 2025
Q2 2025
|
Schroder Investment Management Group
London, X0 |
BUY
|
- |
133K+ 13.54% |
$7.09M - $11.1M
|
1.11M
$107M
|
|
|
Aug 06, 2025
Q2 2025
|
Penserra Capital Management LLC
Orinda, CA |
BUY
|
- |
128K+ 316.46% |
$6.84M - $10.7M
|
168K
$16.1M
|
|
|
Aug 06, 2025
Q2 2025
|
First Eagle Investment Management, LLC
|
BUY
|
- |
118KNew |
$6.33M - $9.93M
|
118K
$11.3M
|
|
|
Aug 13, 2025
Q2 2025
|
Natixis Advisors, L.P.
Boston, MA |
BUY
|
- |
113K+ 81.32% |
$6.03M - $9.46M
|
251K
$24.1M
|
|
|
Aug 11, 2025
Q2 2025
|
Vanguard Group Inc
Valley Forge, PA |
BUY
|
- |
103K+ 0.69% |
$5.52M - $8.66M
|
15.1M
$1.45B
|
|
|
Aug 06, 2025
Q2 2025
|
Titan Global Capital Management Usa LLC
New York, NY |
BUY
|
- |
102K+ 92.38% |
$5.46M - $8.56M
|
212K
$20.3M
|
|
|
Aug 13, 2025
Q2 2025
|
National Bank Of Canada
|
BUY
|
- |
94.6K+ 8250.57% |
$5.06M - $7.94M
|
95.8K
$9.18M
|
|
|
Aug 13, 2025
Q2 2025
|
Norges Bank
Oslo, Q8 |
BUY
|
- |
78.2KNew |
$4.18M - $6.56M
|
78.2K
$7.49M
|
|
|
Aug 11, 2025
Q2 2025
|
Primecap Management CO
Pasadena, CA |
BUY
|
- |
76K+ 15.87% |
$4.06M - $6.37M
|
555K
$53.1M
|
|
|
Jul 29, 2025
Q2 2025
|
Stanley Laman Group, Ltd.
Berwyn, PA |
BUY
|
- |
73.1KNew |
$3.91M - $6.13M
|
73.1K
$7M
|
|
|
Jul 28, 2025
Q2 2025
|
Allianz Asset Management Gmb H
Munich, 2M |
BUY
|
- |
70.6K+ 68.21% |
$3.77M - $5.92M
|
174K
$16.7M
|
|
|
Aug 11, 2025
Q2 2025
|
12th Street Asset Management Company, LLC
Nashville, TN |
BUY
|
- |
68.6K+ 22.15% |
$3.67M - $5.75M
|
378K
$36.2M
|
|
|
Aug 11, 2025
Q2 2025
|
Cramer Rosenthal Mcglynn LLC
Greenwich, CT |
BUY
|
- |
66.5K+ 16.67% |
$3.56M - $5.58M
|
465K
$44.6M
|
|
|
Aug 13, 2025
Q2 2025
|
Exodus Point Capital Management, LP
New York, NY |
BUY
|
- |
55.4K+ 136.8% |
$2.96M - $4.65M
|
95.9K
$9.18M
|
|
|
Jul 28, 2025
Q2 2025
|
Twin Tree Management, LP
Dallas, TX |
BUY
|
- |
49.8K+ 105.6% |
$2.67M - $4.18M
|
97K
$9.3M
|
|
|
Aug 12, 2025
Q2 2025
|
Jefferies Financial Group Inc.
New York, NY |
BUY
|
- |
49.4KNew |
$2.64M - $4.14M
|
49.4K
$4.73M
|
|
|
Aug 13, 2025
Q2 2025
|
Russell Investments Group, Ltd.
|
BUY
|
- |
49K+ 22.95% |
$2.62M - $4.11M
|
262K
$25.1M
|
|
|
Aug 13, 2025
Q2 2025
|
Ray Dalio
Bridgewater Associates, LP | Westport, Ct
|
BUY
|
- |
48KNew |
$2.57M - $4.02M
|
48K
$4.59M
|
|
|
Aug 13, 2025
Q2 2025
|
Capital Fund Management S.A.
Paris, I0 |
BUY
|
PUT |
46.2KNew |
$2.47M - $3.88M
|
46.2K
$4.43M
|
|
|
Aug 08, 2025
Q2 2025
|
Abn Amro Investment Solutions
Paris Cedex 008, |
BUY
|
- |
41.4KNew |
$2.21M - $3.47M
|
41.4K
$3.96M
|
|
|
Jul 31, 2025
Q2 2025
|
Envestnet Asset Management Inc
|
BUY
|
- |
41.2K+ 11.45% |
$2.2M - $3.45M
|
401K
$38.4M
|
|
|
Aug 08, 2025
Q2 2025
|
Impax Asset Management Group PLC
|
BUY
|
- |
40K+ 26.68% |
$2.14M - $3.36M
|
190K
$18.2M
|
|
|
Aug 08, 2025
Q2 2025
|
Oak Harvest Investment Services
|
BUY
|
- |
35.4KNew |
$1.9M - $2.97M
|
35.4K
$3.4M
|
|
|
Aug 13, 2025
Q2 2025
|
Walleye Capital LLC
Plymouth, MN |
BUY
|
PUT |
31.6K+ 3950.0% |
$1.69M - $2.65M
|
32.4K
$3.1M
|
|
|
Aug 05, 2025
Q2 2025
|
Hussman Strategic Advisors, Inc.
Ellicott City, MD |
BUY
|
- |
31.5KNew |
$1.69M - $2.64M
|
31.5K
$3.02M
|
|
|
Aug 13, 2025
Q2 2025
|
Barclays PLC
London, X0 |
BUY
|
- |
29.3K+ 22.81% |
$1.57M - $2.46M
|
158K
$15.1M
|
|
|
Jul 31, 2025
Q2 2025
|
Oppenheimer Asset Management Inc.
New York, NY |
BUY
|
- |
27.4K+ 23.14% |
$1.46M - $2.29M
|
146K
$13.9M
|
|
|
Aug 07, 2025
Q2 2025
|
Future Fund LLC
Chicago, IL |
BUY
|
- |
26.6K+ 345.19% |
$1.42M - $2.23M
|
34.3K
$3.28M
|
|
|
Aug 08, 2025
Q2 2025
|
Foundations Investment Advisors, LLC
|
BUY
|
- |
26.5K+ 12.35% |
$1.42M - $2.22M
|
241K
$23.1M
|
|
|
Jul 11, 2025
Q2 2025
|
Perpetual LTD
Sydney, New South Wales, C3 |
BUY
|
- |
18.8K+ 8.12% |
$1.01M - $1.58M
|
250K
$24M
|
|
|
Aug 13, 2025
Q2 2025
|
Walleye Trading LLC
Plymouth, MN |
BUY
|
PUT |
18.7K+ 21.08% |
$1M - $1.57M
|
107K
$10.3M
|
|
|
Aug 13, 2025
Q2 2025
|
California Public Employees Retirement System
Sacramento, CA |
BUY
|
- |
17.3K+ 7.39% |
$925K - $1.45M
|
251K
$24.1M
|
|
|
Aug 12, 2025
Q2 2025
|
Vestor Capital, LLC
Chicago, IL |
BUY
|
- |
17.2K+ 637.3% |
$921K - $1.44M
|
19.9K
$1.91M
|
|
|
Aug 07, 2025
Q2 2025
|
King Luther Capital Management Corp
Fort Worth, TX |
BUY
|
- |
15.3K+ 48.49% |
$818K - $1.28M
|
46.8K
$4.49M
|
|
|
Aug 12, 2025
Q2 2025
|
Lpl Financial LLC
Fort Mill, SC |
BUY
|
- |
15.2K+ 30.99% |
$811K - $1.27M
|
64K
$6.13M
|
|
|
Jul 28, 2025
Q2 2025
|
Twin Tree Management, LP
Dallas, TX |
BUY
|
PUT |
15K+ 8.11% |
$803K - $1.26M
|
200K
$19.2M
|
|
|
Aug 12, 2025
Q2 2025
|
Flputnam Investment Management CO
Portland, ME |
BUY
|
- |
13.7K+ 37.72% |
$732K - $1.15M
|
50K
$4.79M
|
|
|
Aug 06, 2025
Q2 2025
|
Vestmark Advisory Solutions, Inc.
|
BUY
|
- |
13.1K+ 218.14% |
$701K - $1.1M
|
19.1K
$1.83M
|
|
|
Jul 23, 2025
Q2 2025
|
Tectonic Advisors LLC
Plano, TX |
BUY
|
- |
11.8K+ 12.86% |
$630K - $988K
|
103K
$9.9M
|
|
|
Aug 07, 2025
Q2 2025
|
Illinois Municipal Retirement Fund
|
BUY
|
- |
10.9K+ 32.4% |
$583K - $915K
|
44.6K
$4.27M
|
|
|
Aug 12, 2025
Q2 2025
|
Prudential Financial Inc
Newark, NJ |
BUY
|
- |
10.1K+ 9.72% |
$541K - $848K
|
114K
$10.9M
|
|
|
Aug 13, 2025
Q2 2025
|
Ostrum Asset Management
Paris, I0 |
BUY
|
- |
10.1KNew |
$540K - $846K
|
10.1K
$967K
|