AG
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Algert Global’s Ciena CIEN Stock Holding History

Algert Global’s Portfolio CIEN Stock Details CIEN Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q4 		– Sell
-42,630
Closed -$6.21M – 1165
2025
Q3 		$6.21M Buy
+42,630
New +$4.34M 0.1% 347
2024
Q3 		– Sell
-36,956
Closed -$1.78M – 1244
2024
Q2 		$1.78M Sell
36,956
-18,150
-33% -$861K 0.06% 502
2024
Q1 		$2.72M Sell
55,106
-17,190
-24% -$907K 0.11% 314
2023
Q4 		$3.25M Buy
72,296
+11,637
+19% +$513K 0.13% 261
2023
Q3 		$2.87M Buy
60,659
+54,973
+967% +$2.42M 0.13% 248
2023
Q2 		$242K Hold
5,686
– – 0.01% 949
2023
Q1 		$299K Buy
+5,686
New +$284K 0.01% 950
2022
Q1 		– Sell
-17,495
Closed -$1.35M – 1196
2021
Q4 		$1.35M Hold
17,495
– – 0.17% 178
2021
Q3 		$898K Buy
+17,495
New +$972K 0.12% 281
2017
Q4 		– Sell
-128,474
Closed -$2.82M – 309
2017
Q3 		$2.82M Buy
128,474
+41,959
+48% +$1M 0.65% 36
2017
Q2 		$2.17M Buy
86,515
+53,176
+160% +$1.27M 0.61% 59
2017
Q1 		$787K Buy
+33,339
New +$818K 0.21% 183
2016
Q2 		– Sell
-28,601
Closed -$544K – 361
2016
Q1 		$544K Sell
28,601
-21,379
-43% -$395K 0.2% 181
2015
Q4 		$1.03M Buy
49,980
+30,320
+154% +$696K 0.48% 68
2015
Q3 		$407K Buy
+19,660
New +$457K 0.23% 171

Other funds holding CIEN

Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Arrowstreet Capital
Arrowstreet Capital Boston, Massachusetts $225B AUM 49.49% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return
BNP Paribas Asset Management
BNP Paribas Asset Management Paris, France $99.8B AUM 45.22% 1-Year Est. Return

Algert Global's CIEN Position: Q4 2025 in Review

Algert Global sold out of Ciena (CIEN) in Q4 2025, closing a stake of 42,630 shares — an estimated $6.21M sold.

Algert Global first reported a position in CIEN in Q3 2015 and held it in 15 quarters. The position peaked at $6.21M in Q3 2025. 853 funds tracked by Wall St. Rank hold CIEN as of Q4 2025.

  • Algert Global reported no remaining Ciena position as of Q4 2025 after selling out during the quarter.
  • Algert Global sold 42,630 Ciena shares in Q4 2025, an estimated $6.21M.
  • Algert Global first reported a position in Ciena in Q3 2015 and held it in 15 quarters.
  • Algert Global's Ciena position peaked at $6.21M in Q3 2025.
  • 853 funds tracked by Wall St. Rank held Ciena as of Q4 2025.

Based on Algert Global's 13F filing for Q4 2025, filed 17 Feb 2026.