Ring Mountain Capital
CIEN icon

Ring Mountain Capital’s Ciena CIEN Stock Holding History

Ring Mountain Capital’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
2026
Q3 		$685K Buy
1,946
+228
+13% +$88K 0.28% 51
2026
Q2 		$843K Hold
1,718
– – 0.35% 42
2026
Q1 		$667K Buy
1,718
+154
+10% +$47.1K 0.36% 44
2025
Q4 		$381K Buy
1,564
+128
+9% +$24.8K 0.2% 65
2025
Q3 		$209K Buy
+1,436
New +$146K 0.12% 98

Other funds holding CIEN

Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $551B AUM 33.95% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $608B AUM 32.77% 1-Year Est. Return
Amundi
Amundi Paris, France $496B AUM 35.36% 1-Year Est. Return
Deutsche Bank
Deutsche Bank Frankfurt Am Main Ge, Germany $362B AUM 34.89% 1-Year Est. Return
Pictet Asset Management
Pictet Asset Management Carouge, Switzerland $106B AUM 32.76% 1-Year Est. Return
Wealth Enhancement Advisory Services
Wealth Enhancement Advisory Services Plymouth, Minnesota $67.3B AUM 21.9% 1-Year Est. Return
Citigroup
Citigroup New York $308B AUM 40.94% 1-Year Est. Return
Mitsubishi UFJ Asset Management
Mitsubishi UFJ Asset Management Tokyo, Japan $194B AUM 32.2% 1-Year Est. Return
Robeco Institutional Asset Management
Robeco Institutional Asset Management Rotterdam, Netherlands $83.2B AUM 35.34% 1-Year Est. Return

Ring Mountain Capital's CIEN Position: Q3 2026 in Review

Ring Mountain Capital increased its Ciena (CIEN) stake by 13% in Q3 2026, buying an estimated $88K and bringing the position to 1,946 shares worth $685K. The position accounts for 0.28% of the portfolio, ranked #51.

Ring Mountain Capital first reported a position in CIEN in Q3 2025 and has held it in 5 quarters since. The position peaked at $843K in Q2 2026. 548 funds tracked by Wall St. Rank hold CIEN as of Q3 2026.

  • Ring Mountain Capital held 1,946 shares of Ciena worth $685K as of Q3 2026.
  • Ring Mountain Capital bought 228 Ciena shares in Q3 2026, an estimated $88K.
  • Ciena made up 0.28% of Ring Mountain Capital's portfolio in Q3 2026, its #51 holding.
  • Ring Mountain Capital first reported a position in Ciena in Q3 2025 and has held it in 5 quarters since.
  • Ring Mountain Capital's Ciena position peaked at $843K in Q2 2026.
  • 548 funds tracked by Wall St. Rank held Ciena as of Q3 2026.

Based on Ring Mountain Capital's 13F filing for Q3 2026, filed 13 Oct 2026.