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SEC Form 13F

S&CO INC 13F Holdings

Inspect S&CO INC's 2026-06-30 SEC 13F positions, public filing date, amendments and original receipt.

As of 2026-08-07T03:59:59.999Z

Report period
2026-06-30
Publicly available
2026-08-07
Reported value
$1,730,972,000
Positions
222
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Disclosed positions

Largest disclosed position values

Scale: 0 to 100,180,000 USD · zero baseline

Largest disclosed position values

  • CAT · COM+100,181,000 USD
  • BRK.B · COM+82,101,000 USD
  • MSFT · COM+73,984,000 USD
  • XOM · COM+71,915,000 USD
  • AAPL · COM+63,863,000 USD
  • CHD · COM+62,938,000 USD
  • ECL · COM+62,927,000 USD
  • MRK · COM+54,680,000 USD
  • AMZN · COM+46,947,000 USD
  • ADP · COM+45,232,000 USD

Reported underlying-position values for 2026-06-30, publicly available 2026-08-07. Put/call values are not option premiums; this subset is not a complete portfolio allocation. Exact issuer, class and unit remain in the table. Showing the first 10 of 50 recorded values; the complete table remains available below.

Inspect all 50 displayed rows: Disclosed positions

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CATERPILLAR INC.CATCOM$100,181,00094,076SHNone
BERKSHIRE HATHAWAY INC CL BBRK.BCOM$82,101,000164,075SHNone
MICROSOFT CORPMSFTCOM$73,984,000198,340SHNone
EXXONMOBIL HOLDINGS CORPXOMCOM$71,915,000526,003SHNone
APPLE INCAAPLCOM$63,863,000220,707SHNone
CHURCH & DWIGHT CO INCCHDCOM$62,938,000649,655SHNone
ECOLAB INCECLCOM$62,927,000225,862SHNone
MERCK & CO INCMRKCOM$54,680,000425,528SHNone
AMAZON.COM INCAMZNCOM$46,947,000196,975SHNone
AUTOMATIC DATA PROCESSING INCADPCOM$45,232,000201,978SHNone
ALPHABET INC CLASS CGOOGCOM$41,732,000118,113SHNone
JOHNSON & JOHNSONJNJCOM$39,898,000157,098SHNone
ALPHABET INC CAP STK CL AGOOGLCOM$33,899,00094,857SHNone
CAMECO CORPCCJCOM$31,945,000313,626SHNone
PALO ALTO NETWORKS INCPANWCOM$31,323,00091,852SHNone
SPDR GOLD TRUSTGLDCOM$29,678,00080,565SHNone
AIR PRODUCTS & CHEMICALS INC CAPDCOM$27,733,00094,594SHNone
ELI LILLY & CO COMLLYCOM$26,747,00022,300SHNone
MOSAIC COMPANYMOSCOM$22,052,0001,040,723SHNone
PROSUS NV -SPON ADRPROSYCOM$21,714,0002,499,611SHNone
THERMO FISHER SCIENTIFIC INC CTMOCOM$20,749,00041,387SHNone
ROYALTY PHARMA PLC CL ARPRXCOM$20,089,000358,302SHNone
UNION PACIFIC CORPUNPCOM$18,864,00069,353SHNone
PAYPAL HOLDINGS INCPYPLCOM$18,827,000436,017SHNone
LIBERTY MEDIA CORP-LIBERTY LIVLLYVKCOM$18,464,000174,783SHNone
UNITEDHEALTH GROUP INC COMUNHCOM$18,281,00043,984SHNone
ANTERO RESOURCES CORPARCOM$17,731,000504,602SHNone
ABBOTT LABSABTCOM$16,924,000186,521SHNone
SIRIUS XM HOLDINGS INCSIRICOM$16,814,000569,206SHNone
EVERPURE, INC. CLASS APCOM$15,003,000190,420SHNone
SPDR S&P BIOTECH ETFXBICOM$14,924,00094,310SHNone
NVIDIA CORP COMNVDACOM$14,437,00072,156SHNone
VISA INC. CL AVCOM$14,372,00041,890SHNone
H.B. FULLER CO.FULCOM$14,093,000241,781SHNone
GE VERNOVA INCGEVCOM$13,783,00011,732SHNone
LINDE PLCLINCOM$13,564,00026,139SHNone
GE AEROSPACE COM (NEW)GECOM$13,331,00035,671SHNone
ALKERMES PLCALKSCOM$12,824,000244,760SHNone
CISCO SYSTEMS INC COMCSCOCOM$12,583,000107,126SHNone
ROCHE HOLDING LTD SPONSORED ADRHHBYCOM$11,877,000230,310SHNone
LIBERTY FORMULA ONE SER CFWONKCOM$11,657,000122,528SHNone
MASTERCARD INC - AMACOM$11,483,00022,358SHNone
GFL ENVIRONMENTALGFLCOM$10,798,000293,524SHNone
PEPSICO INCPEPCOM$10,246,00075,677SHNone
AFLAC INC COMAFLCOM$9,798,00083,570SHNone
ANALOG DEVICES INC COMADICOM$9,448,00023,789SHNone
AIRBNB INC AABNBCOM$8,923,00062,355SHNone
MEDTRONIC PLCMDTCOM$8,458,000108,128SHNone
VANGUARD FTSE EMERGING MARKETVWOCOM$7,911,000132,538SHNone
JP MORGAN CHASE & COJPMCOM$7,621,00023,285SHNone

Largest 50 positions by reported value; the filing may contain more positions.

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CATERPILLAR INC.CATCOM$100,181,00094,076SHNone

First displayed source row from Disclosed positions. The full bounded history and coverage notes remain below.

The displayed observation date is 2026-06-30 and its public availability date is 2026-08-07. Subtracting those calendar dates gives 38 days of disclosure lag. Historical public research can use the record from the availability date, rather than backdating knowledge to the observation date. The calendar-day difference does not assert an intraday publication time.

Read the amount together with its Unit and Option columns. A reported put or call position is not an option premium paid, and a quarterly holding is not a purchase made on its public filing date. Check every accession in the effective amendment lineage below: a retained holding can originate in an earlier filing rather than the latest linked amendment.

Open the linked original receipts to verify the row, then inspect a second record before drawing a pattern. This public filing observation supplies source evidence, not a completed copy-trading return.

How amendments affect these holdings

This view uses 1 effective filing version(s). A restatement replaces the previous book; a new-holdings amendment adds positions. 3 positions lack a resolved ticker and 0 positions are put or call entries.

The displayed holdings combine the effective filing versions listed here. The latest receipt linked below identifies the current projection version; it is not proof that every retained holding originated in that latest amendment. Inspect all effective accessions when verifying a position's source.

A 13F is a delayed quarterly snapshot of disclosed holdings. It is not a complete trade ledger and does not reveal every position in a manager's portfolio. Option values refer to the reported underlying position rather than a traded option premium.

Show the table · 1 row, 2 columns
Effective SEC accessionRole in this view
0001082461-26-000003Latest effective version

Quarter end and public filing date

Use the filing's public availability date when constructing a historical observation. The quarter-end report period is earlier and cannot be substituted for when the public learned the holdings.