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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
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

Other funds holding OCC

GJL
Gendell Jeffrey L $11.3B AUM 163.05% 1-Year Est. Return
Jane Street
Jane Street New York $1.21T AUM 78.12% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
HF
HRT Financial New York $54.8B AUM 81.03% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return
BCM
Bridgeway Capital Management Houston, Texas $5.69B AUM 60.64% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Round Rock Advisors's OCC Position: Q2 2026 in Review

Round Rock Advisors increased its Optical Cable Corp (OCC) stake by 88% in Q2 2026, buying an estimated $384K and bringing the position to 58,937 shares worth $1.24M. The position accounts for 0.16% of the portfolio, ranked #97.

Round Rock Advisors first reported a position in OCC in Q4 2025 and has held it in 3 quarters since. 43 funds tracked by Wall St. Rank hold OCC as of Q2 2026.

  • Round Rock Advisors held 58,937 shares of Optical Cable Corp worth $1.24M as of Q2 2026.
  • Round Rock Advisors bought 27,665 Optical Cable Corp shares in Q2 2026, an estimated $384K.
  • Optical Cable Corp made up 0.16% of Round Rock Advisors's portfolio in Q2 2026, its #97 holding.
  • Round Rock Advisors first reported a position in Optical Cable Corp in Q4 2025 and has held it in 3 quarters since.
  • 43 funds tracked by Wall St. Rank held Optical Cable Corp as of Q2 2026.

Based on Round Rock Advisors's 13F filing for Q2 2026, filed 12 Aug 2026.