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 |
|---|---|---|---|---|---|---|---|
|
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 14, 2025
Q2 2025
|
Bienville Capital Management, LLC
New York, NY |
BUY
|
- |
45.4K+ 84.04% |
$2.43M - $3.81M
|
99.5K
$9.53M
|
|
|
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 13, 2025
Q2 2025
|
Divisadero Street Capital Management, LP
Miami, FL |
BUY
|
- |
40KNew |
$2.14M - $3.36M
|
40K
$3.83M
|
|
|
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 14, 2025
Q2 2025
|
D. E. Shaw & Co., Inc.
New York, NY |
BUY
|
CALL |
30K+ 303.03% |
$1.61M - $2.52M
|
39.9K
$3.82M
|
|
|
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
|
|
|
Aug 14, 2025
Q2 2025
|
Quantinno Capital Management LP
New York, NY |
BUY
|
- |
24K+ 83.71% |
$1.29M - $2.02M
|
52.7K
$5.05M
|
|
|
Aug 14, 2025
Q2 2025
|
Toronto Dominion Bank
Toronto, Ontario, A6 |
BUY
|
- |
18.9KNew |
$1.01M - $1.59M
|
18.9K
$1.81M
|
|
|
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 14, 2025
Q2 2025
|
Wiley Bros. Aintree Capital, LLC
|
BUY
|
- |
14.1K+ 169.57% |
$755K - $1.18M
|
22.4K
$2.15M
|
|
|
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 14, 2025
Q2 2025
|
Toronto Dominion Bank
Toronto, Ontario, A6 |
BUY
|
PUT |
11.5KNew |
$615K - $965K
|
11.5K
$1.1M
|
|
|
Aug 14, 2025
Q2 2025
|
Capstone Investment Advisors, LLC
New York, NY |
BUY
|
- |
11.4KNew |
$612K - $959K
|
11.4K
$1.1M
|
|
|
Aug 07, 2025
Q2 2025
|
Illinois Municipal Retirement Fund
|
BUY
|
- |
10.9K+ 32.4% |
$583K - $915K
|
44.6K
$4.27M
|
|
|
Aug 14, 2025
Q2 2025
|
Cubist Systematic Strategies, LLC
Stamford, CT |
BUY
|
PUT |
10.8K+ 192.86% |
$578K - $906K
|
16.4K
$1.57M
|
|
|
Aug 14, 2025
Q2 2025
|
Voya Investment Management LLC
Atlanta, GA |
BUY
|
- |
10.6K+ 14.61% |
$565K - $887K
|
82.9K
$7.94M
|
|
|
Aug 14, 2025
Q2 2025
|
Ardsley Advisory Partners LP
Stamford, CT |
BUY
|
- |
10.5K+ 10.55% |
$562K - $881K
|
110K
$10.5M
|
|
|
Aug 14, 2025
Q2 2025
|
Mariner, LLC
Overland Park, KS |
BUY
|
- |
10.3K+ 19.36% |
$549K - $861K
|
63.3K
$6.06M
|
|
|
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
|
|
|
Aug 11, 2025
Q2 2025
|
One Capital Management, LLC
Westlake Village, CA |
BUY
|
- |
10.1KNew |
$539K - $845K
|
10.1K
$965K
|
|
|
Aug 14, 2025
Q2 2025
|
Joel Greenblatt
Gotham Asset Management, LLC | New York, Ny
|
BUY
|
- |
10K+ 6.0% |
$537K - $841K
|
177K
$17M
|
|
|
Aug 14, 2025
Q2 2025
|
Gilder Gagnon Howe & CO LLC
New York, NY |
BUY
|
- |
9.91K+ 35.62% |
$530K - $831K
|
37.7K
$3.61M
|
|
|
Aug 14, 2025
Q2 2025
|
Benjamin Edwards Inc
Clayton, MO |
BUY
|
- |
9.67K+ 38.2% |
$518K - $811K
|
35K
$3.35M
|
|
|
Aug 14, 2025
Q2 2025
|
Toroso Investments, LLC
Massapequa, NY |
BUY
|
- |
9.58K+ 28.15% |
$512K - $803K
|
43.6K
$4.18M
|
|
|
Aug 05, 2025
Q2 2025
|
Versor Investments LP
|
BUY
|
- |
9.2KNew |
$492K - $772K
|
9.2K
$881K
|
|
|
Aug 11, 2025
Q2 2025
|
Symphony Financial, Ltd. Co.
|
BUY
|
- |
9.11KNew |
$487K - $764K
|
9.11K
$873K
|
|
|
Aug 14, 2025
Q2 2025
|
Granahan Investment Management, LLC
Waltham, MA |
BUY
|
- |
8.84K+ 12.31% |
$473K - $741K
|
80.6K
$7.72M
|
|
|
Aug 14, 2025
Q2 2025
|
Sherbrooke Park Advisers LLC
White Plains, NY |
BUY
|
- |
8.81KNew |
$471K - $739K
|
8.81K
$844K
|
|
|
Aug 04, 2025
Q2 2025
|
Atria Investments LLC
Charlotte, NC |
BUY
|
- |
8.41K+ 20.92% |
$450K - $706K
|
48.6K
$4.66M
|
|
|
Aug 08, 2025
Q2 2025
|
Bailard, Inc.
|
BUY
|
- |
8.25KNew |
$442K - $692K
|
8.25K
$791K
|