Optimum Communications, Inc. - Class A Common Stock, par value $0.01 per share (OPTU)

Q: What does CUSIP 02156K103 represent in this 13F holders report?

CUSIP 02156K103 is the security identifier for OPTU - Optimum Communications, Inc. - Class A Common Stock, par value $0.01 per share used to aggregate holder disclosures.

Q: How many institutions held OPTU - Optimum Communications, Inc. - Class A Common Stock, par value $0.01 per share in Q1 2021?

333 institutional investors reported OPTU - Optimum Communications, Inc. - Class A Common Stock, par value $0.01 per share for Q1 2021. Use the holders table for investor-level position and value details.

CUSIP: 02156K103

Q1 2021 13F Holders as of 31 Mar 2021

Security type / class: Equity / Class A Common Stock, par value $0.01 per share
Total 13F shares: 263,408,242
Total 13F value: $8,562,614,109
Share change: -17,472,026
Put/Call ratio: 61%
SEC-reported price per share: $32.53
Number of holders: 333
Value change: -$639,547,072
Number of buys: 149
Number of sells: 207
Shares outstanding: 294,823,963

Security key

02156K103

Report period

Q1 2021

Institutions

333

Top holders

OPTU full security history Ownership snapshot Full 13F holder table Newer quarter: Q2 2021 Previous quarter: Q4 2020 Optimum Communications, Inc. SEC filings Optimum Communications, Inc. company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP 02156K103

Newer quarter: Q2 2021 Previous quarter: Q4 2020

Recent filing periods:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

Ownership snapshot

Top reported holders of OPTU - Optimum Communications, Inc. - Class A Common Stock, par value $0.01 per share (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader

Soroban Capital Partners LP

Disclosed value leader

Soroban Capital Partners LP

Comparable rows

15/15

Latest evidence

31 Dec 2020

13F Lead comparable stake: 11% Showing 1-6 of 15 holder rows.

Quick read

Soroban Capital Partners LP leads the comparable SEC ownership view at 11%.

15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens Soroban Capital Partners LP's linked filing trail.

Comparable ownership Top 5

Soroban Capital Partners LP 11%

VANGUARD GROUP INC 7.9%

BlackRock Finance, Inc. 4.9%

Capital Research Global Investors 4%

Palestra Capital Management LLC 3%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
Soroban Capital Partners LP	13F Company 13F	11%	$1,173,970,000 31,000,000 shares	—	31 Dec 2020
VANGUARD GROUP INC	13F Company 13F	7.9%	$883,376,000 23,326,538 shares	—	31 Dec 2020
BlackRock Finance, Inc.	13F Company 13F	4.9%	$547,806,000 14,465,472 shares	—	31 Dec 2020
Capital Research Global Investors	13F Company 13F	4%	$441,996,000 11,671,406 shares	—	31 Dec 2020
Palestra Capital Management LLC	13F Company 13F	3%	$331,806,000 8,761,722 shares	—	31 Dec 2020
Egerton Capital (UK) LLP	13F Company 13F	2.5%	$274,623,000 7,251,731 shares	—	31 Dec 2020

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q1 2021

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

333

263,408,242

Rows available

333

Investor	Option	Weight %	Change %	SEC-reported value	* Price	Shares	Share Change	Activity	Report Period

^* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q1 2021 vs Q4 2020 Across Filers

Q4 2020 holders

340

Q1 2021 holders

333

Holder diff

-7

Investor	Q4 2020 Shares	Q1 2021 Shares	Share Diff	Share Chg %	Q4 2020 value	Q1 2021 value	Value change	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend