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OCC · Optical Cable Corp

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$17.80 +1.17 (+7.04%) At close · Aug 14
Market Cap
$157.12M
Shares
8.83M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 43
Total Value: $44,944,410
Total Shares: 2,143,273

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 43 13F filers · Δ vs Mar 31, 2026
Top Holder
18.3%
Sep 2023 → Jun 2026 · range 17.0% – 31.4%
−6.1 pts
Top 5
57.0%
Sep 2023 → Jun 2026 · range 56.8% – 85.3%
+0.2 pts
Top 10
77.3%
Sep 2023 → Jun 2026 · range 75.6% – 97.7%
+1.7 pts
HHI
872
Sep 2023 → Jun 2026 · range 872 – 1,804
Broadly held−136

Quarterly Activity

vs Mar 31, 2026
New
10
Increased
14
Decreased
14
Sold Out
5
Unchanged
5
Holder count: +5
Institutional value: +218.6%
Shares held: +25.3%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
Showing 43 of 43
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 1000230 CUSIP 683827208 13F (30d) 43 filings 43 filers Visit website