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Among the 11 tracked institutional investors we monitor, CIEN (CIENA CORP) is held with a combined value of $20.44B across 58,361,713 shares. The largest holder is FMR LLC with a position worth $8.23B (0.43% of their portfolio). 2 funds opened new positions in the most recent quarter. 4 funds increased their holdings. 5 funds reduced their position.
Total Institutional Value
$20.44B
Total Shares Held
58,361,713
Institutional Holders
11
0
$0
1
$1.67M
Total Transactions
1
Last 90 days
| Date | Insider | Code | Type | Shares | Value |
|---|---|---|---|---|---|
| Jun 1, 2026 | GARY B SMITH | S | Sale | 2,952 | $1.67M |
| # | Fund | Value↓ | Portfolio % | Change |
|---|---|---|---|---|
| 1 | FMR LLC | $8.23B | 0.43% | +0.4% |
| 2 | BlackRock, Inc. | $5.19B | 0.09% | -19.8% |
| 3 | VANGUARD GROUP INC | $3.36B | 0.05% | New |
| 4 | STATE STREET CORP | $2.45B | 0.08% | +23.6% |
| 5 | CITADEL ADVISORS LLC | $325.00M | 0.05% | -35.9% |
| 6 | LONE PINE CAPITAL LLC | $314.28M | 2.51% | New |
| 7 | Point72 Asset Management, L.P. | $286.07M | 0.37% | +7.6% |
| 8 | MILLENNIUM MANAGEMENT LLC | $91.67M | 0.04% | -57.4% |
| 9 | Whale Rock Capital Management LLC | $89.78M | 1.16% | -74.1% |
| 10 | Bridgewater Associates, LP | $55.85M | 0.25% | -32.4% |
As of the latest SEC 13F filings, FMR LLC is the largest institutional holder of CIEN with a position worth $8.23B, representing 0.43% of their portfolio. In total, 11 institutional investors hold CIEN with a combined value of $20.44B.
In the most recent quarter, 2 funds opened a new position in CIEN. Additionally, 4 increased their holdings and 5 reduced their positions.
Institutional investors hold $20.44B worth of CIEN stock across 11 positions. The largest institutional holder is FMR LLC with $8.23B in holdings.
A 13F filing is a quarterly report required by the SEC from institutional investment managers with over $100 million in assets. It discloses their holdings in U.S. equities. For CIEN, these filings reveal which major funds are accumulating or reducing positions, providing insights into institutional sentiment.
Get notified when hedge funds change their CIEN positions.