Comparable stake leader
Access Industries Holdings LLC
SEC ownership of Warner Music Group Corp.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001319161.
Disclosed value leader
Access Industries Holdings LLC
Comparable rows
50/50
Latest evidence
01 Sep 2026
- Public ticker
- WMG on Nasdaq
- Parsed ownership sources
-
13D/G, 3/4/5, and 13F
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
Access Industries Holdings LLC
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
50 of 50
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
Access Industries Holdings LLC
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
01 Sep 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001319161
- Issuer location
- New York, NY
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of Warner Music Group Corp. (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
Access Industries Holding...
Disclosed value leader
Access Industries Holding...
Comparable rows
50/50
Latest evidence
01 Sep 2026
13D/G
3/4/5
13F
Lead comparable stake: 72%
13D/G row: Access Industries Holdings LLC
Showing 1-8 of 50 holder rows.
Quick read
Access Industries Holdings LLC leads the comparable SEC ownership view at 72%.
50 of 50 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 Access Industries Holdings LLC's linked filing trail.
Comparable ownership
Top 5
Access Industries Holdings LLC
72%
Independent Franchise Partners LLP
9.2%
VANGUARD GROUP INC
8.7%
Darsana Capital Partners LP
8.1%
JPMORGAN CHASE & CO
7.6%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 50 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Access Industries Holdings LLC |
13D/G
3/4/5
Len Blavatnik · 10%+ Owner
|
72%
|
$11,171,849,627
374,517,252 shares
|
$0 | 31 Dec 2024 |
| Independent Franchise Partners LLP |
13D/G
13F
Company
|
9.2%
|
$399,091,513
13,378,864 shares
|
$0 | 31 Mar 2025 |
| VANGUARD GROUP INC |
13D/G
The Vanguard Group
|
8.7%
|
$393,831,568
12,840,938 shares
|
-$124,938,508 | 31 Dec 2025 |
| Darsana Capital Partners LP |
13D/G
13F
Company
|
8.1%
|
$339,858,000
11,850,000 shares
|
+$110,418,000 | 31 Mar 2026 |
| JPMORGAN CHASE & CO |
13D/G
13F
Company
|
7.6%
|
$303,001,250
11,193,249 shares
|
-$63,731,036 | 30 Jun 2026 |
| BARROW HANLEY MEWHINNEY & STRAUSS LLC |
13D/G
13F
Company
|
6.1%
|
$259,610,999
8,909,094 shares
|
+$30,734,599 | 30 Jun 2026 |
| DARLINGTON PARTNERS CAPITAL MANAGEMENT, LP |
13D/G
13F
Company
|
5.1%
|
$215,002,137
7,551,884 shares
|
+$25,623,000 | 25 Mar 2026 |
| Mawer Investment Management Ltd. |
13D/G
|
0.22%
|
$10,696,611
314,052 shares
|
$0 | 30 Sep 2025 |
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.
Forms 3/4/5 flow
Insider trading overview
Net insider flow leans to buying over the last 12 months. Net value: +$2,004,460.
Buys
$2,004,460
Insiders: 2
Sells
$0
Insiders: 0
Net
+$2,004,460
Shares: +71,588
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 71,588
Shares: 0
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 35,778 | 0 | $1,006,077 | $0 | +$1,006,077 |
| 9-12 | 35,810 | 0 | $998,383 | $0 | +$998,383 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-20 of 35 reporting-owner rows connected to Warner Music Group Corp.. Open a relationship link for the CIK-to-CIK filing trail.
Rows
35
Largest Forms 3/4/5 holder
Len Blavatnik
Net 12M change
+$2,004,460
Latest report
01 Sep 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Len Blavatnik | 10%+ Owner | $9,544,814,597 | Mixed | 16 Apr 2026 | ||
| AI Entertainment Holdings LLC | 10%+ Owner | $9,544,814,597 | Mixed | 16 Apr 2026 | ||
| Entertainment Holdings II LLC | 10%+ Owner | $9,544,814,597 | Mixed | 16 Apr 2026 | ||
| Access Industries Holdings LLC | 10%+ Owner | $9,544,814,597 | Mixed | 16 Apr 2026 | ||
| AIBFF, Inc. | 10%+ Owner | $9,544,814,597 | Mixed | 16 Apr 2026 | ||
| ACCESS INDUSTRIES, LLC | 10%+ Owner | $9,544,814,597 | Mixed | 16 Apr 2026 | ||
| Access Industries Core Holdings LLC | 10%+ Owner | $9,544,814,597 | Mixed | 16 Apr 2026 | ||
| ACCESS INDUSTRIES MANAGEMENT, LLC | 10%+ Owner | $9,544,814,597 | Mixed | 16 Apr 2026 | ||
| Stephen Forbes Cooper | Co-CEO, Director | $230,712,189 | Mixed | 04 Jan 2023 | ||
| Max Lousada | CEO, Recorded Music | $57,275,566 | Filing P/S | 11 Sep 2024 | ||
| Robert Kyncl | Ceo | $22,482,160 | Mixed | 04 Jan 2026 | ||
| Armin Zerza | Coo & Cfo | $11,140,215 | +$1,006,077 | +9.9% | Mixed | 21 May 2026 |
| Donald Wagner | Director | $9,095,630 | Mixed | 28 Feb 2024 | ||
| Lincoln E. Benet | Director | $7,503,466 | Filing P/S | 20 Dec 2024 | ||
| Guy Moot | Co-Chair & CEO Warner Chappell | $7,042,042 | Mixed | 04 Jan 2026 | ||
| Carianne Marshall | Co-Chair & COO Warner Chappell | $7,042,042 | Mixed | 04 Jan 2026 | ||
| Thomas Charles Corson | Chief Operating Officer | $6,772,101 | Median | 31 Jul 2026 | ||
| Carletta Higginson | EVP, Chief Digital Officer | $6,166,321 | Mixed | 04 Jan 2026 | ||
| Bryan Castellani | Chief Financial Officer | $4,234,695 | Mixed | 04 Jan 2025 | ||
| Paul M. Robinson | EVP & General Counsel | $3,023,033 | Mixed | 04 Jan 2026 |
Recent insider transactions for Warner Music Group Corp.
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Ynon Kreiz | WMG | Class A Common Stock | Award | 0.12% | 45 | 36,910 | 01 Sep 2026 | By Ynon Kreiz Secondary SP Trust | ||
| Noreena Hertz | WMG | Class A Common Stock | Award | 0.15% | 45 | 30,693 | 01 Sep 2026 | Direct | ||
| Nancy Dubuc | WMG | Class A Common Stock | Award | 0.15% | 45 | 29,989 | 01 Sep 2026 | Direct | ||
| Cecelia Kurzman | WMG | Class A Common Stock | Award | 0.25% | 84 | 34,338 | 01 Sep 2026 | Direct | ||
| Mathias Dopfner | WMG | Class A Common Stock | Award | 0.15% | 45 | 30,693 | 01 Sep 2026 | Direct | ||
| Michael Lynton | WMG | Class A Common Stock | Award | 0.23% | 122 | 53,886 | 01 Sep 2026 | Direct | ||
| Ynon Kreiz | WMG | Class A Common Stock | Award | 0.1% | 38 | 36,865 | 02 Jun 2026 | By Ynon Kreiz Secondary SP Trust | ||
| Noreena Hertz | WMG | Class A Common Stock | Award | 0.12% | 38 | 32,277 | 02 Jun 2026 | Direct | ||
| Michael Lynton | WMG | Class A Common Stock | Award | 0.1% | 56 | 53,716 | 02 Jun 2026 | Direct | ||
| Cecelia Kurzman | WMG | Class A Common Stock | Award | 0.11% | 38 | 34,221 | 02 Jun 2026 | Direct | ||
| Mathias Dopfner | WMG | Class A Common Stock | Award | 0.12% | 38 | 32,277 | 02 Jun 2026 | Direct | ||
| Nancy Dubuc | WMG | Class A Common Stock | Award | 0.13% | 38 | 29,944 | 02 Jun 2026 | Direct | ||
| Armin Zerza | WMG | Class A Common Stock | Gift | -6.31% | -27,521 | 408,666 | 21 May 2026 | Direct | ||
| Armin Zerza | WMG | Class A Common Stock | Tax liability | -5.84% | -27,064 | 436,187 | 12 May 2026 | Direct | ||
| Armin Zerza | WMG | Class A Common Stock | Award | 82.3% | 209,132 | 463,251 | 12 May 2026 | Direct | ||
| AI Entertainment Holdings LLC | WMG | Class B Common Stock | Other | -20% | -280,000 | 1,120,000 | 16 Apr 2026 | By trust | ||
| AI Entertainment Holdings LLC | WMG | Class B Common Stock | Other | -20% | -280,000 | 1,120,000 | 16 Apr 2026 | By trust | ||
| AI Entertainment Holdings LLC | WMG | Class B Common Stock | Other | -20% | -280,000 | 1,120,000 | 16 Apr 2026 | By trust | ||
| AI Entertainment Holdings LLC | WMG | Class B Common Stock | Other | -20% | -280,000 | 1,120,000 | 16 Apr 2026 | By trust | ||
| AI Entertainment Holdings LLC | WMG | Class B Common Stock | Other | -20% | -280,000 | 1,120,000 | 16 Apr 2026 | By trust | ||
| AI Entertainment Holdings LLC | WMG | Class B Common Stock | Other | -20% | -280,000 | 1,120,000 | 16 Apr 2026 | By trust | ||
| AI Entertainment Holdings LLC | WMG | Class B Common Stock | Other | -20% | -280,000 | 1,120,000 | 16 Apr 2026 | By trust | ||
| AI Entertainment Holdings LLC | WMG | Class B Common Stock | Other | -20% | -280,000 | 1,120,000 | 16 Apr 2026 | By trust | ||
| Valentin Blavatnik | WMG | Class B Common Stock | Other | 280,000 | 280,000 | 16 Apr 2026 | By trust | |||
| Noreena Hertz | WMG | Class A Common Stock | Tax liability | -5.05% | -1,629 | 30,610 | 04 Mar 2026 | Direct | ||
| Noreena Hertz | WMG | Class A Common Stock | Award | 23.7% | 6,186 | 32,239 | 04 Mar 2026 | Direct | ||
| Mathias Dopfner | WMG | Class A Common Stock | Tax liability | -5.05% | -1,629 | 30,610 | 04 Mar 2026 | Direct | ||
| Mathias Dopfner | WMG | Class A Common Stock | Award | 23.7% | 6,186 | 32,239 | 04 Mar 2026 | Direct | ||
| Michael Lynton | WMG | Class A Common Stock | Award | 20.2% | 9,014 | 53,660 | 04 Mar 2026 | Direct | ||
| Nancy Dubuc | WMG | Class A Common Stock | Award | 26.1% | 6,186 | 29,906 | 04 Mar 2026 | Direct | ||
| Ynon Kreiz | WMG | Class A Common Stock | Award | 20.2% | 6,186 | 36,827 | 04 Mar 2026 | By Ynon Kreiz Secondary SP Trust | ||
| Cecelia Kurzman | WMG | Class A Common Stock | Award | 22.1% | 6,186 | 34,183 | 04 Mar 2026 | Direct | ||
| Hannah Jasmine Karp | WMG | Class A Common Stock | Award | 19,225 | 19,225 | 12 Feb 2026 | Direct | |||
| Maria Osherova | WMG | Class A Common Stock | Tax liability | -6.87% | -7,148 | 96,827 | 05 Jan 2026 | Direct | ||
| Carianne Marshall | WMG | Class A Common Stock | Tax liability | -5.42% | -13,122 | 229,084 | 05 Jan 2026 | Direct | ||
| Carletta Higginson | WMG | Class A Common Stock | Tax liability | -4.92% | -10,388 | 200,596 | 05 Jan 2026 | Direct | ||
| Robert Kyncl | WMG | Class A Common Stock | Tax liability | -5.55% | -43,014 | 731,365 | 05 Jan 2026 | Direct | ||
| Paul M. Robinson | WMG | Class A Common Stock | Tax liability | -5.51% | -5,740 | 98,342 | 05 Jan 2026 | Direct | ||
| Guy Moot | WMG | Class A Common Stock | Tax liability | -5.42% | -13,122 | 229,084 | 05 Jan 2026 | Direct | ||
| Maria Osherova | WMG | Class A Common Stock | Award | 132.6% | 59,276 | 103,975 | 04 Jan 2026 | Direct | ||
| Carianne Marshall | WMG | Class A Common Stock | Award | 86.2% | 112,144 | 242,206 | 04 Jan 2026 | Direct | ||
| Carletta Higginson | WMG | Class A Common Stock | Award | 124.4% | 116,949 | 210,984 | 04 Jan 2026 | Direct | ||
| Robert Kyncl | WMG | Class A Common Stock | Award | 78.1% | 339,635 | 774,379 | 04 Jan 2026 | Direct | ||
| Paul M. Robinson | WMG | Class A Common Stock | Award | 85.8% | 48,062 | 104,082 | 04 Jan 2026 | Direct | ||
| Guy Moot | WMG | Class A Common Stock | Award | 86.2% | 112,144 | 242,206 | 04 Jan 2026 | Direct | ||
| Armin Zerza | WMG | Class A Common Stock | Purchase | 16.4% | $1,006,077 | $28.12 | 35,778 | 254,119 | 11 Dec 2025 | Direct |
| Valentin Blavatnik | WMG | Class A Common Stock | Purchase | 52.5% | $998,383 | $27.88 | 35,810 | 104,074 | 02 Dec 2025 | Direct |
| Robert Kyncl | WMG | Class A Common Stock | Tax liability | -20.5% | -112,071 | 434,744 | 13 Oct 2025 | Direct | ||
| Robert Kyncl | WMG | Class A Common Stock | Award | 58.9% | 202,659 | 546,815 | 13 Oct 2025 | Direct |
* marks a reported price that did not pass the local price check.