Optimum Communications, Inc. (OPTU) Ownership

NYSE: OPTUTop holders, insider trades and short interest.

OPTU ownership summary

as of October 18, 2026
Institutions
75.1%
of shares outstanding
Insiders
11.32%
of shares outstanding
Shares outstanding
272.6M
Float
277.6M
shares available to trade
Short interest
35.68%
26.5M shares short
Days to cover
12.76
short interest down 6.1% vs prior month
  • Institutions 75.10%
  • Insiders 11.32%
  • Other investors 13.58%

OPTU top institutional holders

20 largest
Optimum Communications, Inc. top institutional holders
#Holder% of sharesSharesValueChangeReported
1BlackRock Inc5.12%19.5M$17.6M−960,412 (−4.7%)June 30, 2026
2MILFAM LLC4.17%15.9M$14.4M+7.2M (+81.5%)June 30, 2026
3Kite Lake Capital Management (UK) LLP3.70%14.1M$12.7M+11.6M (+466.4%)June 30, 2026
4Empyrean Capital Partners, LP3.68%14.0M$12.7M−10.5M (−42.9%)June 30, 2026
5Vanguard Capital Management, LLC3.18%12.1M$11.0M+465,489 (+4.0%)June 30, 2026
6JPMorgan Chase & Co2.33%8.9M$8.0M−1.5M (−14.7%)June 30, 2026
7BW Gestao de Investimentos Ltda2.20%8.4M$7.6M+6.8M (+414.5%)June 30, 2026
8Millennium Management LLC2.02%7.7M$7.0M−1.8M (−18.9%)June 30, 2026
9State Street Corp1.92%7.3M$6.6M+942,515 (+14.8%)June 30, 2026
10Geode Capital Management, LLC1.81%6.9M$6.2M+730,190 (+11.8%)June 30, 2026
11Charles Schwab Investment Management Inc1.44%5.5M$4.9M−1.2M (−17.8%)June 30, 2026
12Balyasny Asset Management LLC1.42%5.4M$4.9M+5.4M (0.0%)June 30, 2026
13Redwood Capital Management, LLC1.36%5.2M$4.7M−3.0M (−36.6%)June 30, 2026
14AQR Capital Management LLC1.31%5.0M$4.5M+3.4M (+204.9%)June 30, 2026
15Senator Investment Group LP1.31%5.0M$4.5M—March 31, 2026
16Vanguard Portfolio Management, LLC1.25%4.8M$4.3M−4.7M (−49.3%)June 30, 2026
17Renaissance Technologies Corp1.04%4.0M$3.6M+45,300 (+1.2%)June 30, 2026
18Mount Capital Ltd1.02%3.9M$3.5M—June 30, 2026
19Silver Rock Financial LP1.00%3.8M$3.4M+1.0M (+35.7%)June 30, 2026
20Barclays PLC0.98%3.8M$3.4M+3.6M (+3,398.3%)June 30, 2026

Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 11 holders added 41.1M shares and 7 cut 23.7M.

OPTU top mutual fund and ETF holders

20 largest
Optimum Communications, Inc. top fund holders
#Holder% of sharesSharesValueChangeReported
1iShares Russell 2000 ETF1.64%6.2M$5.6M−71,936 (−1.1%)September 30, 2026
2Vanguard MStar Total Stk Mkt Idx Invest1.61%6.2M$5.6M—August 31, 2026
3Fidelity Small Cap Index0.76%2.9M$2.6M−3,724 (−0.1%)July 31, 2026
4iShares Russell 2000 Value ETF0.51%1.9M$1.8M+2,948 (+0.2%)September 30, 2026
5Schwab Fundamental U.S. Large CompanyETF0.45%1.7M$1.5M+1,881 (+0.1%)September 30, 2026
6Vanguard Russell 2000 ETF0.40%1.5M$1.4M+30,375 (+2.0%)August 31, 2026
7Schwab Fundamental US Large Company Idx0.30%1.2M$1.0M—August 31, 2026
8Vanguard Strategic Equity Inv0.30%1.1M$1.0M—June 30, 2026
9Vanguard Strategic Small-Cap Equity Inv0.23%883K$797,502—June 30, 2026
10Schwab US Small-Cap ETF™0.22%855K$771,977+576 (+0.1%)September 30, 2026
11Fidelity Extended Market Index0.22%855K$771,893−4,594 (−0.5%)August 31, 2026
12Schwab Small Cap Index0.17%643K$580,613—August 31, 2026
13iShares Russell 2000 Small-Cap Idx Instl0.13%498K$450,050—August 31, 2026
14Stt Strt SPDR® Russell2000 US SmCapETF0.12%466K$420,901+22,304 (+5.0%)August 31, 2026
15iShares Core S&P Total US Stock Mkt ETF0.09%359K$324,318+310 (+0.1%)September 30, 2026
16iShares Russell 2000 Growth ETF0.09%343K$309,955−434 (−0.1%)September 30, 2026
17Fidelity Small Cap Value Index0.08%319K$288,095+4,169 (+1.3%)July 31, 2026
18Fidelity Total Market Index0.08%311K$281,191—August 31, 2026
19Nuveen Small Cap Blend Idx R60.08%292K$264,066—August 31, 2026
20Xtrackers Russell 2000 ETF 1C0.07%282K$254,869+12,180 (+4.5%)August 31, 2026

Funds report holdings monthly or quarterly; dates differ by fund.

OPTU insider transactions

latest 3
Optimum Communications, Inc. insider transactions
DateNameTransactionPriceSharesValue
2026-04-01Michael OlsenSell$1.2920,000$25,800
2026-03-02Michael OlsenSell$1.4020,000$28,000
2026-02-17Michael OlsenSell$1.60250,000$400,000

Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.

OPTU shares outstanding

Shares outstanding

Year-end shares outstanding, adjusted for splits.

Who owns OPTU

Institutional investors own 75.1% of Optimum Communications's shares and insiders 11.32%. The largest holder is BlackRock Inc with 5.12% of the shares (19.5M), as of June 30, 2026. Among the top 20 institutions, 11 added shares and 7 reduced their stake in the latest filings. Short interest is 35.68% of the float, or 12.76 days of average trading volume. The share count rose 70.8% since 2014.

Related: OPTU analyst forecast, OPTU key metrics. See the OPTU stock overview for the latest quote and news.

OPTU ownership FAQ

Who owns the most Optimum Communications stock?

The largest shareholders of Optimum Communications are BlackRock Inc (5.12%), MILFAM LLC (4.17%), Kite Lake Capital Management (UK) LLP (3.70%), Empyrean Capital Partners, LP (3.68%), Vanguard Capital Management, LLC (3.18%).

What percentage of Optimum Communications is owned by institutions?

Institutions hold 75.1% of Optimum Communications's shares outstanding; insiders hold 11.32%.

Which funds own Optimum Communications?

The largest fund holders of Optimum Communications are iShares Russell 2000 ETF (1.64%), Vanguard MStar Total Stk Mkt Idx Invest (1.61%), Fidelity Small Cap Index (0.76%), iShares Russell 2000 Value ETF (0.51%), Schwab Fundamental U.S. Large CompanyETF (0.45%).

What is Optimum Communications's short interest?

26.5M shares of Optimum Communications were sold short, 35.68% of the float; at the average daily volume it would take 12.76 days to cover.

Are insiders buying or selling Optimum Communications?

Of the latest 3 reported insider transactions in Optimum Communications (since February 17, 2026), 0 were purchases and 3 were sales.

How many shares of Optimum Communications are outstanding?

Optimum Communications has 272.6M shares outstanding, of which 277.6M are in the public float.

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