Round Rock Advisors
OCC icon

Round Rock Advisors’s Optical Cable Corp OCC Stock Holding History

Round Rock Advisors’s Portfolio OCC Stock Details OCC Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q3 		$977K Hold
58,937
– – 0.13% 111
2026
Q2 		$1.24M Buy
58,937
+27,665
+88% +$384K 0.16% 97
2026
Q1 		$258K Hold
31,272
– – 0.04% 277
2025
Q4 		$139K Buy
+31,272
New +$243K 0.02% 323

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BlackRock
BlackRock New York $6.79T AUM 37.06% 1-Year Est. Return
Jane Street
Jane Street New York $1.19T AUM 51.51% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $551B AUM 33.95% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $765B AUM 28.39% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $73.4B AUM 32.8% 1-Year Est. Return
Vanguard Fiduciary Trust
Vanguard Fiduciary Trust Malvern, Pennsylvania $463B AUM
SEI Investments
SEI Investments Oaks, Pennsylvania $113B AUM 26.61% 1-Year Est. Return

Round Rock Advisors's OCC Position: Q3 2026 in Review

Round Rock Advisors held its Optical Cable Corp (OCC) position steady in Q3 2026 at 58,937 shares worth $977K. The position accounts for 0.13% of the portfolio, ranked #111.

Round Rock Advisors first reported a position in OCC in Q4 2025 and has held it in 4 quarters since. The position peaked at $1.24M in Q2 2026. 33 funds tracked by Wall St. Rank hold OCC as of Q3 2026.

  • Round Rock Advisors held 58,937 shares of Optical Cable Corp worth $977K as of Q3 2026.
  • Round Rock Advisors left its Optical Cable Corp share count unchanged in Q3 2026.
  • Optical Cable Corp made up 0.13% of Round Rock Advisors's portfolio in Q3 2026, its #111 holding.
  • Round Rock Advisors first reported a position in Optical Cable Corp in Q4 2025 and has held it in 4 quarters since.
  • Round Rock Advisors's Optical Cable Corp position peaked at $1.24M in Q2 2026.
  • 33 funds tracked by Wall St. Rank held Optical Cable Corp as of Q3 2026.

Based on Round Rock Advisors's 13F filing for Q3 2026, filed 12 Nov 2026.