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K2 Principal Fund’s Ciena CIEN Stock Holding History

K2 Principal Fund’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
Q3 		– Sell
-13,013
Closed -$1.06M – 346
2025
Q2 		$1.06M Hold
13,013
– – 0.15% 150
2025
Q1 		$786K Sell
13,013
-8,209
-39% -$649K 0.1% 167
2024
Q4 		$1.8M Sell
21,222
-4,354
-17% -$312K 0.2% 120
2024
Q3 		$1.58M Buy
25,576
+6,251
+32% +$329K 0.23% 104
2024
Q2 		$931K Buy
19,325
+9,525
+97% +$452K 0.17% 114
2024
Q1 		$485K Buy
+9,800
New +$517K 0.08% 153

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
Bank of America
Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 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
BNP Paribas Asset Management
BNP Paribas Asset Management Paris, France $99.8B AUM 45.22% 1-Year Est. Return
William Blair Investment Management
William Blair Investment Management Chicago, Illinois $33.3B AUM 44.76% 1-Year Est. Return

K2 Principal Fund's CIEN Position: Q3 2025 in Review

K2 Principal Fund sold out of Ciena (CIEN) in Q3 2025, closing a stake of 13,013 shares — an estimated $1.06M sold.

K2 Principal Fund first reported a position in CIEN in Q1 2024 and held it in 6 quarters. The position peaked at $1.8M in Q4 2024. 689 funds tracked by Wall St. Rank hold CIEN as of Q3 2025.

  • K2 Principal Fund reported no remaining Ciena position as of Q3 2025 after selling out during the quarter.
  • K2 Principal Fund sold 13,013 Ciena shares in Q3 2025, an estimated $1.06M.
  • K2 Principal Fund first reported a position in Ciena in Q1 2024 and held it in 6 quarters.
  • K2 Principal Fund's Ciena position peaked at $1.8M in Q4 2024.
  • 689 funds tracked by Wall St. Rank held Ciena as of Q3 2025.

Based on K2 Principal Fund's 13F filing for Q3 2025, filed 13 Nov 2025.