Funds / institutions · SEC Form 13F

What institutions reported holding

Search 292,522 reported position rows across 20 reporting entities and their collected quarters. Explore the holdings behind the names.

Collection dates and how to read these holdings

Partial manager coverage. Form 13F reports quarter-end holdings, usually filed later; not exact trades, transaction dates, current portfolios or ETF constituent data. Short positions, some securities, confidential holdings and unreviewed amendments may be absent. CUSIP and issuer names are preserved as filed; ticker/issuer-CIK matching is not inferred. Values use the SEC filing-date format (USD from January 3, 2023; thousands of USD before). Available valid filings are searchable even without comparison quarters. Combination reports and confidential-omission flags describe incomplete reported portfolios; only disclosed positions are shown, with no inferred missing holdings. Separate reporting entities remain separate.

47 source-checked filings. A reported portfolio snapshot—not executed trades. Histories may be incomplete; missing data does not mean no holdings. Featured investor names identify associated management firms, not personal portfolios.

Third Point LLC: filed 2026-01-01–2026-10-16; collected 2026-10-18T03:14:43.118Z
APPALOOSA LP: filed 2026-01-01–2026-10-16; collected 2026-10-18T03:14:41.303Z
VANGUARD GROUP INC: filed 2026-01-01–2026-10-16; collected 2026-10-18T03:13:55.910Z
TWO SIGMA INVESTMENTS, LP: filed 2026-01-01–2026-10-16; collected 2026-10-18T03:14:27.467Z
Pershing Square Capital Management, L.P.: filed 2026-01-01–2026-10-16; collected 2026-10-18T03:14:37.679Z
STATE STREET CORP: filed 2026-01-01–2026-10-16; collected 2026-10-18T03:13:58.075Z
COATUE MANAGEMENT LLC: filed 2026-01-01–2026-10-16; collected 2026-10-18T03:14:31.488Z
TIGER GLOBAL MANAGEMENT LLC: filed 2026-01-01–2026-10-16; collected 2026-10-18T03:14:33.886Z
RENAISSANCE TECHNOLOGIES LLC: filed 2026-01-01–2026-10-16; collected 2026-10-18T03:14:25.387Z
GOLDMAN SACHS GROUP INC: filed 2026-01-01–2026-10-16; collected 2026-10-18T03:14:08.805Z
Bridgewater Associates, LP: filed 2026-01-01–2026-10-16; collected 2026-10-18T03:14:29.574Z
Duquesne Family Office LLC: filed 2026-01-01–2026-10-16; collected 2026-10-18T03:14:45.054Z
JPMORGAN CHASE & CO: filed 2026-01-01–2026-10-16; collected 2026-10-18T03:14:03.721Z
TCI FUND MANAGEMENT LTD: filed 2026-01-01–2026-10-16; collected 2026-10-18T03:14:46.863Z
PERSHING SQUARE INC.: filed 2026-01-01–2026-10-16; collected 2026-10-18T03:14:39.481Z
Altimeter Capital Management, LP: filed 2026-01-01–2026-10-16; collected 2026-10-18T03:14:35.674Z
MORGAN STANLEY: filed 2026-01-01–2026-10-16; collected 2026-10-18T03:14:12.934Z
FMR LLC: filed 2026-01-01–2026-10-16; collected 2026-10-18T03:14:00.998Z
Berkshire Hathaway Inc: filed 2026-01-01–2026-10-16; collected 2026-10-18T03:13:54.052Z
CITADEL ADVISORS LLC: filed 2026-01-01–2026-10-16; collected 2026-10-18T03:14:21.575Z

Reported positions

9 matching source rows · Page 1 of 1. A security can appear in multiple quarters or reporting entities.

ALPHABET INC

CAP STK CL A · CUSIP 02079K305

Reporting manager: Berkshire Hathaway Inc · CIK 0001067983

Discretion: shared—defined. These are reported positions, not separate purchases by each included manager.

Quarter ended: 2026-06-30
Filed: 2026-08-14
Reported value (USD): $5,968,079
Reported shares: 16700

Source units and reporting details

Value as filed: 5968079 USD. Discretion code: DFND. Filing-local manager numbers: 2,4,11. Voting authority: sole 16700, shared 0, none 0.

Included managers attributed to this row:

Berkshire Hathaway Life Insurance Co of Nebraska · 13F file 28-5678
Buffett Warren E · 13F file 28-554
National Indemnity Co · 13F file 28-718

Accession 0001193125-26-352200. No ticker or issuer CIK has been inferred from this CUSIP. Shared positions must not be added across managers without checking for duplicate reporting.

Original SEC submission ↗

ALPHABET INC

CAP STK CL A · CUSIP 02079K305

Reporting manager: Berkshire Hathaway Inc · CIK 0001067983

Discretion: shared—defined. These are reported positions, not separate purchases by each included manager.

Quarter ended: 2026-06-30
Filed: 2026-08-14
Reported value (USD): $2,394,379,000
Reported shares: 6700000

Source units and reporting details

Value as filed: 2394379000 USD. Discretion code: DFND. Filing-local manager numbers: 4,5. Voting authority: sole 6700000, shared 0, none 0.

Included managers attributed to this row:

Buffett Warren E · 13F file 28-554
Columbia Insurance Co · 13F file 28-1517

Accession 0001193125-26-352200. No ticker or issuer CIK has been inferred from this CUSIP. Shared positions must not be added across managers without checking for duplicate reporting.

Original SEC submission ↗

ALPHABET INC

CAP STK CL A · CUSIP 02079K305

Reporting manager: Berkshire Hathaway Inc · CIK 0001067983

Discretion: shared—defined. These are reported positions, not separate purchases by each included manager.

Quarter ended: 2026-06-30
Filed: 2026-08-14
Reported value (USD): $2,233,562,500
Reported shares: 6250000

Source units and reporting details

Value as filed: 2233562500 USD. Discretion code: DFND. Filing-local manager numbers: 4,10. Voting authority: sole 6250000, shared 0, none 0.

Included managers attributed to this row:

Buffett Warren E · 13F file 28-554
National Fire & Marine Insurance Co · 13F file 28-1066

Accession 0001193125-26-352200. No ticker or issuer CIK has been inferred from this CUSIP. Shared positions must not be added across managers without checking for duplicate reporting.

Original SEC submission ↗

ALPHABET INC

CAP STK CL A · CUSIP 02079K305

Reporting manager: Berkshire Hathaway Inc · CIK 0001067983

Discretion: shared—defined. These are reported positions, not separate purchases by each included manager.

Quarter ended: 2026-06-30
Filed: 2026-08-14
Reported value (USD): $23,523,689,772
Reported shares: 65824467

Source units and reporting details

Value as filed: 23523689772 USD. Discretion code: DFND. Filing-local manager numbers: 4,11. Voting authority: sole 65824467, shared 0, none 0.

Included managers attributed to this row:

Buffett Warren E · 13F file 28-554
National Indemnity Co · 13F file 28-718

Accession 0001193125-26-352200. No ticker or issuer CIK has been inferred from this CUSIP. Shared positions must not be added across managers without checking for duplicate reporting.

Original SEC submission ↗

ALPHABET INC

CAP STK CL A · CUSIP 02079K305

Reporting manager: Berkshire Hathaway Inc · CIK 0001067983

Discretion: shared—defined. These are reported positions, not separate purchases by each included manager.

Quarter ended: 2026-03-31
Filed: 2026-05-15
Reported value (USD): $4,802,252
Reported shares: 16700

Source units and reporting details

Value as filed: 4802252 USD. Discretion code: DFND. Filing-local manager numbers: 2,4,11. Voting authority: sole 16700, shared 0, none 0.

Included managers attributed to this row:

Berkshire Hathaway Life Insurance Co of Nebraska · 13F file 28-5678
Buffett Warren E · 13F file 28-554
National Indemnity Co · 13F file 28-718

Accession 0001193125-26-226661. No ticker or issuer CIK has been inferred from this CUSIP. Shared positions must not be added across managers without checking for duplicate reporting.

Original SEC submission ↗

ALPHABET INC

CAP STK CL A · CUSIP 02079K305

Reporting manager: Berkshire Hathaway Inc · CIK 0001067983

Discretion: shared—defined. These are reported positions, not separate purchases by each included manager.

Quarter ended: 2026-03-31
Filed: 2026-05-15
Reported value (USD): $1,926,652,000
Reported shares: 6700000

Source units and reporting details

Value as filed: 1926652000 USD. Discretion code: DFND. Filing-local manager numbers: 4,5. Voting authority: sole 6700000, shared 0, none 0.

Included managers attributed to this row:

Buffett Warren E · 13F file 28-554
Columbia Insurance Co · 13F file 28-1517

Accession 0001193125-26-226661. No ticker or issuer CIK has been inferred from this CUSIP. Shared positions must not be added across managers without checking for duplicate reporting.

Original SEC submission ↗

ALPHABET INC

CAP STK CL A · CUSIP 02079K305

Reporting manager: Berkshire Hathaway Inc · CIK 0001067983

Discretion: shared—defined. These are reported positions, not separate purchases by each included manager.

Quarter ended: 2026-03-31
Filed: 2026-05-15
Reported value (USD): $1,797,250,000
Reported shares: 6250000

Source units and reporting details

Value as filed: 1797250000 USD. Discretion code: DFND. Filing-local manager numbers: 4,10. Voting authority: sole 6250000, shared 0, none 0.

Included managers attributed to this row:

Buffett Warren E · 13F file 28-554
National Fire & Marine Insurance Co · 13F file 28-1066

Accession 0001193125-26-226661. No ticker or issuer CIK has been inferred from this CUSIP. Shared positions must not be added across managers without checking for duplicate reporting.

Original SEC submission ↗

ALPHABET INC

CAP STK CL A · CUSIP 02079K305

Reporting manager: Berkshire Hathaway Inc · CIK 0001067983

Discretion: shared—defined. These are reported positions, not separate purchases by each included manager.

Quarter ended: 2026-03-31
Filed: 2026-05-15
Reported value (USD): $11,871,367,661
Reported shares: 41283098

Source units and reporting details

Value as filed: 11871367661 USD. Discretion code: DFND. Filing-local manager numbers: 4,11. Voting authority: sole 41283098, shared 0, none 0.

Included managers attributed to this row:

Buffett Warren E · 13F file 28-554
National Indemnity Co · 13F file 28-718

Accession 0001193125-26-226661. No ticker or issuer CIK has been inferred from this CUSIP. Shared positions must not be added across managers without checking for duplicate reporting.

Original SEC submission ↗

ALPHABET INC

CAP STK CL A · CUSIP 02079K305

Reporting manager: Berkshire Hathaway Inc · CIK 0001067983

Discretion: shared—defined. These are reported positions, not separate purchases by each included manager.

Quarter ended: 2025-12-31
Filed: 2026-02-17
Reported value (USD): $5,585,842,446
Reported shares: 17846142

Source units and reporting details

Value as filed: 5585842446 USD. Discretion code: DFND. Filing-local manager numbers: 4,11. Voting authority: sole 17846142, shared 0, none 0.

Included managers attributed to this row:

Buffett Warren E · 13F file 28-554
National Indemnity Co · 13F file 28-718

Accession 0001193125-26-054580. No ticker or issuer CIK has been inferred from this CUSIP. Shared positions must not be added across managers without checking for duplicate reporting.

Original SEC submission ↗