S&CO INC

13F filer, CIK 1082461, BOSTON, MA

S&CO INC reported $1,530,583,000 across 219 holdings for the quarter ended 2024-09-30, in a 13F-HR filed 2024-11-07. Its ten largest share positions make up 38.14% of the portfolio.

Filed 2024-11-07 (acceptance time not in the bulk data set), ingested 2026-10-07 18:26:56 UTC13F-HR 0001082461-24-000005

Period: 2024-09-30
Reported value: $1.53B
Holdings: 219
Top 10 weight: 38.14%
New: 9
Sold out: 7

Largest buys vs the previous quarter

Security	Shares change	Approx. value
SIRInew	+779,055	$18.4M
TELnew	+24,753	$3.74M
MSFTadded	+7,397	$3.18M
AMZNadded	+14,622	$2.72M
ELadded	+24,414	$2.43M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Largest sells vs the previous quarter

Security	Shares change	Approx. value
LIBERTY MEDIA CORP DELexited	-710,337	-$15.7M
XOMreduced	-45,834	-$5.37M
LIBERTY MEDIA CORP DEL COM …exited	-217,752	-$4.82M
TE CONNECTIVITY LTDexited	-24,753	-$3.72M
ZBHexited	-15,590	-$1.69M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Holdings, Q3 2024

Share positions as resolved from 13F-HR 0001082461-24-000005, largest first. % of portfolio is the value over $1,530,481,000, the sum of the share positions whose value is usable for ratios (method).

Security	Shares	Value	% of portfolio	Change	Timeline
BRK-BBERKSHIRE HATHAWAY INC DEL	165,685	$76.3M	4.98%	+1,830	Timeline
CHDCHURCH & DWIGHT CO INC	652,621	$68.3M	4.47%	+4,705	Timeline
AAPLAPPLE INC	291,739	$68M	4.44%	+6,580	Timeline
MSFTMICROSOFT CORP	156,711	$67.4M	4.41%	+7,397	Timeline
XOMEXXON MOBIL CORP	553,165	$64.8M	4.24%	-45,834	Timeline
ECLECOLAB INC	232,222	$59.3M	3.87%	+1,710	Timeline
ADPAUTOMATIC DATA PROCESSING IN	205,840	$57M	3.72%	+2,350	Timeline
MRKMERCK & CO INC	403,312	$45.8M	2.99%	+4,200	Timeline
CATCATERPILLAR INC	115,744	$45.3M	2.96%	+2,940	Timeline
MOSMOSAIC CO	1,177,939	$31.5M	2.06%	+1,035	Timeline
ABTABBOTT LABORATORIES	262,646	$29.9M	1.96%	+3,135	Timeline
JNJJOHNSON & JOHNSON	175,361	$28.4M	1.86%	-1,435	Timeline
APDAIR PRODUCTS AND CHEMICALS I	94,885	$28.3M	1.85%	+16	Timeline
AMZNAMAZON COM INC	149,238	$27.8M	1.82%	+14,622	Timeline
CCJCAMECO CORP	562,571	$26.9M	1.76%	+12,805	Timeline
GOOGALPHABET INC	143,085	$23.9M	1.56%	-7,098	Timeline
TMOTHERMO FISHER SCIENTIFIC INC	38,326	$23.7M	1.55%	0	Timeline
FMCFMC CORP	350,863	$23.1M	1.51%	+12,193	Timeline
FULFULLER H B CO	267,192	$21.2M	1.39%	+920	Timeline
PROSYPROSUS N V ADR(NLD)	2,369,807	$20.8M	1.36%	+226,265	Timeline
GLDSPDR GOLD TR	80,565	$19.6M	1.28%	0	Timeline
SIRISIRIUSXM HOLDINGS INC	779,055	$18.4M	1.2%	new	Timeline
PEPPEPSICO INC	106,966	$18.2M	1.19%	-850	Timeline
GOOGLALPHABET INC	105,206	$17.4M	1.14%	-4,445	Timeline
UNPUNION PAC CORP	67,911	$16.7M	1.09%	0	Timeline
UNHUNITEDHEALTH GROUP INC	28,037	$16.4M	1.07%	-1,195	Timeline
XBISPDR SERIES TRUST	164,875	$16.3M	1.06%	+1,400	Timeline
LILALIBERTY LATIN AMERICA LTD	1,616,364	$15.5M	1.01%	-63,284	Timeline
PYPLPAYPAL HLDGS INC	180,179	$14.1M	0.92%	+8,882	Timeline
LBRDKLIBERTY BROADBAND CORP	181,061	$14M	0.91%	-969	Timeline
BSXBOSTON SCIENTIFIC CORP	162,639	$13.6M	0.89%	-130	Timeline
LINLINDE PLC	26,094	$12.4M	0.81%	+96	Timeline
PANWPALO ALTO NETWORKS INC	33,152	$11.3M	0.74%	0	Timeline
PPLIPEOPLE INC	203,145	$10.9M	0.71%	+7,885	Timeline
ABNBAIRBNB INC	84,355	$10.7M	0.7%	0	Timeline
HUMHUMANA INC	33,760	$10.7M	0.7%	+4,762	Timeline
MDTMEDTRONIC PLC	116,975	$10.5M	0.69%	-11,350	Timeline
RPRXROYALTY PHARMA PLC	362,485	$10.3M	0.67%	+4,220	Timeline
APOAPOLLO GLOBAL MGMT INC	77,880	$9.73M	0.64%	0	Timeline
PEVERPURE INC	190,420	$9.57M	0.63%	0	Timeline
FWONKLIBERTY MEDIA CORP DEL	121,932	$9.44M	0.62%	-8	Timeline
AFLAFLAC INC	83,670	$9.35M	0.61%	0	Timeline
CSCOCISCO SYS INC	175,103	$9.32M	0.61%	0	Timeline
LBTYKLIBERTY GLOBAL LTD	430,465	$9.3M	0.61%	-410	Timeline
MIDDMIDDLEBY CORP	66,825	$9.3M	0.61%	+200	Timeline
LLYVKLIBERTY MEDIA CORP DEL	175,230	$8.99M	0.59%	-555	Timeline
HDHOME DEPOT INC	20,806	$8.43M	0.55%	-425	Timeline
NVDANVIDIA CORPORATION	66,615	$8.09M	0.53%	+6,645	Timeline
ARANTERO RESOURCES CORP	278,228	$7.97M	0.52%	+65,060	Timeline
ROLROLLINS INC	156,098	$7.89M	0.52%	0	Timeline
GEGE AEROSPACE	41,858	$7.89M	0.52%	-3,381	Timeline
TECHBIO-TECHNE CORP	81,795	$6.54M	0.43%	0	Timeline
WDAYWORKDAY INC	26,036	$6.36M	0.42%	0	Timeline
LBRDALIBERTY BROADBAND CORP	80,929	$6.22M	0.41%	-40	Timeline
AKAMAKAMAI TECHNOLOGIES INC	61,018	$6.16M	0.4%	0	Timeline
ALKSALKERMES PLC	214,715	$6.01M	0.39%	0	Timeline
ELLAUDER ESTEE COS INC	58,689	$5.85M	0.38%	+24,414	Timeline
SYKSTRYKER CORPORATION	16,022	$5.79M	0.38%	-595	Timeline
CBCHUBB LIMITED	20,054	$5.78M	0.38%	0	Timeline
LILAKLIBERTY LATIN AMERICA LTD	601,818	$5.71M	0.37%	-17,114	Timeline
ADIANALOG DEVICES INC	24,789	$5.71M	0.37%	-1,360	Timeline
MMM3M CO	41,560	$5.68M	0.37%	0	Timeline
LLYELI LILLY & CO	6,110	$5.41M	0.35%	-40	Timeline
LBTYALIBERTY GLOBAL LTD	252,071	$5.32M	0.35%	-16,915	Timeline
JPMJPMORGAN CHASE & CO	24,740	$5.22M	0.34%	-259	Timeline
VWOVANGUARD INTL EQUITY INDEX F	106,621	$5.1M	0.33%	0	Timeline
MAMASTERCARD INCORPORATED	10,011	$4.94M	0.32%	+1,819	Timeline
CVXCHEVRON CORPORATION	32,749	$4.82M	0.32%	0	Timeline
FWONALIBERTY MEDIA CORP DEL	66,864	$4.78M	0.31%	-8,565	Timeline
WATWATERS CORP	13,146	$4.73M	0.31%	0	Timeline
VIGVANGUARD SPECIALIZED FUNDS	23,066	$4.57M	0.3%	0	Timeline
VVISA INC	15,660	$4.3M	0.28%	+3,289	Timeline
OXYOCCIDENTAL PETE CORP	83,505	$4.3M	0.28%	+18,470	Timeline
WECWEC ENERGY GROUP INC	44,237	$4.25M	0.28%	0	Timeline
ILMNILLUMINA INC	32,550	$4.24M	0.28%	+3,000	Timeline
EWEDWARDS LIFESCIENCES CORP	61,555	$4.06M	0.27%	+12,120	Timeline
IVWISHARES TR	41,147	$3.94M	0.26%	0	Timeline
PGPROCTER & GAMBLE CO	22,674	$3.93M	0.26%	+330	Timeline
CTSHCOGNIZANT TECHNOLOGY SOLUTIO	49,740	$3.84M	0.25%	-2,440	Timeline
PODDINSULET CORP	16,463	$3.83M	0.25%	-325	Timeline
MSMORGAN STANLEY	36,747	$3.83M	0.25%	+3,709	Timeline
RTXRTX CORPORATION	31,608	$3.83M	0.25%	0	Timeline
GEVGE VERNOVA INC	14,871	$3.79M	0.25%	-584	Timeline
TELTE CONNECTIVITY PLC	24,753	$3.74M	0.24%	new	Timeline
IBMINTERNATIONAL BUSINESS MACHS	16,888	$3.73M	0.24%	0	Timeline
BACBANK OF AMER CORP	93,652	$3.72M	0.24%	-500	Timeline
INTUINTUIT	5,749	$3.57M	0.23%	0	Timeline
FSLRFIRST SOLAR INC	14,106	$3.52M	0.23%	-50	Timeline
IWVISHARES TR	10,647	$3.48M	0.23%	0	Timeline
METAMETA PLATFORMS INC	5,695	$3.26M	0.21%	0	Timeline
KMBKIMBERLY-CLARK CORP	22,860	$3.25M	0.21%	0	Timeline
WFCWELLS FARGO & CO	53,658	$3.03M	0.2%	-195	Timeline
TJXTJX COS INC NEW	24,875	$2.92M	0.19%	-925	Timeline
VGKVANGUARD INTL EQUITY INDEX F	40,000	$2.84M	0.19%	0	Timeline
INTCINTEL CORP	121,040	$2.84M	0.19%	-19,120	Timeline
CHTRCHARTER COMMUNICATIONS INC	8,610	$2.79M	0.18%	-1,822	Timeline
DBRGDIGITALBRIDGE GROUP INC	195,500	$2.76M	0.18%	0	Timeline
ETNEATON CORP PLC	8,257	$2.74M	0.18%	0	Timeline
MCDMCDONALDS CORP	8,625	$2.63M	0.17%	0	Timeline
OKTAOKTA INC	34,925	$2.6M	0.17%	0	Timeline
EXPEEXPEDIA GROUP INC	17,336	$2.57M	0.17%	0	Timeline
CCITIGROUP INC	39,641	$2.48M	0.16%	-420	Timeline
LLYVALIBERTY MEDIA CORP	48,735	$2.41M	0.16%	-4,489	Timeline
NEENEXTERA ENERGY INC	28,260	$2.39M	0.16%	0	Timeline
ZTSZOETIS INC	11,370	$2.22M	0.15%	0	Timeline
COSTCOSTCO WHOLESALE CORPORATION	2,500	$2.22M	0.14%	-105	Timeline
JOEST JOE CO	38,000	$2.21M	0.14%	0	Timeline
AAGILENT TECHNOLOGIES INC	14,882	$2.21M	0.14%	0	Timeline
GFLGFL ENVIRONMENTAL INC	54,205	$2.16M	0.14%	0	Timeline
IBKRINTERACTIVE BROKERS GROUP IN	15,375	$2.14M	0.14%	0	Timeline
ELANELANCO ANIMAL HEALTH INC	145,000	$2.13M	0.14%	0	Timeline
DXJWISDOMTREE TR	20,000	$2.12M	0.14%	0	Timeline
LOWLOWES COS INC	7,553	$2.04M	0.13%	0	Timeline
ADBEADOBE INC	3,887	$2.01M	0.13%	0	Timeline
SCHFSCHWAB STRATEGIC TR	48,079	$1.98M	0.13%	0	Timeline
RHHBYROCHE HOLDINGS LTD-SPONS ADR	49,185	$1.97M	0.13%	0	Timeline
VEUVANGUARD INTL EQUITY INDEX F	31,256	$1.97M	0.13%	-168	Timeline
FERGFERGUSON ENTERPRISES INC	9,468	$1.88M	0.12%	0	Timeline
AGCOAGCO CORP	18,699	$1.83M	0.12%	0	Timeline
RBLXROBLOX CORP	40,785	$1.8M	0.12%	0	Timeline
CEGCONSTELLATION ENERGY CORP	6,920	$1.8M	0.12%	0	Timeline
NPWRNET POWER INC	251,905	$1.76M	0.12%	+50,805	Timeline
AXPAMERICAN EXPRESS CO	6,386	$1.73M	0.11%	0	Timeline
GDXVANECK ETF TRUST	43,197	$1.72M	0.11%	0	Timeline
ALNYALNYLAM PHARMACEUTICALS INC	5,750	$1.58M	0.1%	0	Timeline
BAXBAXTER INTL INC	39,855	$1.51M	0.1%	0	Timeline
CPCANADIAN PACIFIC KANSAS CITY	17,000	$1.45M	0.1%	+11,000	Timeline
BENFRANKLIN TEMPLETON INC	69,745	$1.41M	0.09%	-5,098	Timeline
DHRDANAHER CORP DEL	5,020	$1.4M	0.09%	0	Timeline
LECOLINCOLN ELEC HLDGS INC	7,000	$1.34M	0.09%	0	Timeline
KMPRKEMPER CORP	20,365	$1.25M	0.08%	0	Timeline
SCJISHARES INC	15,000	$1.18M	0.08%	0	Timeline
GISGENERAL MILLS INC	15,646	$1.16M	0.08%	0	Timeline
ALCALCON AG	11,386	$1.14M	0.07%	0	Timeline
RAREULTRAGENYX PHARMACEUTICAL IN	20,255	$1.12M	0.07%	0	Timeline
ISRGINTUITIVE SURGICAL INC	2,245	$1.1M	0.07%	0	Timeline
HONHONEYWELL INTL INC	5,322	$1.1M	0.07%	0	Timeline
PENPENUMBRA INC	5,500	$1.07M	0.07%	+500	Timeline
SONYSONY GROUP CORP	11,000	$1.06M	0.07%	0	Timeline
BATRKATLANTA BRAVES HLDGS INC	25,450	$1.01M	0.07%	-242	Timeline
TSLATESLA INC	3,795	$992K	0.06%	new	Timeline
IWDISHARES TR	5,050	$958K	0.06%	0	Timeline
ARCADIUM LITHIUM PLCARCADIUM LITHIUM PLC	325,292	$927K	0.06%	-38,177
BAHBOOZ ALLEN HAMILTON HLDG COR	5,690	$926K	0.06%	0	Timeline
BLUEPRINT MEDICINES CORPBLUEPRINT MEDICINES CORP	10,000	$925K	0.06%	+3,300
EOGEOG RES INC	7,082	$870K	0.06%	0	Timeline
MDLZMONDELEZ INTL INC	11,758	$866K	0.06%	0	Timeline
IVEISHARES TR	4,350	$857K	0.06%	0	Timeline
IAUISHARES GOLD TR	17,174	$853K	0.06%	0	Timeline
EVHEVOLENT HEALTH INC	30,000	$848K	0.06%	0	Timeline
TAT&T INC	37,355	$821K	0.05%	-11,790	Timeline
KOCOCA COLA CO	11,386	$818K	0.05%	0	Timeline
VTIVANGUARD INDEX FDS	2,882	$816K	0.05%	-790	Timeline
WSTWEST PHARMACEUTICAL SVSC INC	2,600	$780K	0.05%	0	Timeline
CWCURTISS WRIGHT CORP	2,372	$779K	0.05%	0	Timeline
CRMSALESFORCE INC	2,839	$777K	0.05%	0	Timeline
PRVAPRIVIA HEALTH GROUP INC	42,000	$764K	0.05%	0	Timeline
MRVLMARVELL TECHNOLOGY INC	10,573	$762K	0.05%	0	Timeline
MTDMETTLER TOLEDO INTERNATIONAL	500	$749K	0.05%	0	Timeline
IWRISHARES TR	8,344	$735K	0.05%	0	Timeline
TTTRANE TECHNOLOGIES PLC	1,880	$730K	0.05%	0	Timeline
NXDRNEXTDOOR HOLDINGS INC	287,000	$711K	0.05%	0	Timeline
CETCENTRAL SECS CORP	15,523	$711K	0.05%	-2,670	Timeline
IQVIQVIA HLDGS INC	3,000	$710K	0.05%	0	Timeline
SCHBSCHWAB STRATEGIC TR	10,260	$682K	0.04%	0	Timeline
VWDRYVESTAS WIND SYSTEMS AS AMER DE	91,900	$678K	0.04%	0	Timeline
IWFISHARES TR	1,627	$610K	0.04%	0	Timeline
WMTWALMART INC	7,500	$605K	0.04%	0	Timeline
GPNGLOBAL PMTS INC	5,824	$596K	0.04%	0	Timeline
ETRENTERGY CORP NEW	4,483	$590K	0.04%	0	Timeline
NBIXNEUROCRINE BIOSCIENCES INC	5,000	$576K	0.04%	0	Timeline
VTVVANGUARD INDEX FDS	3,297	$575K	0.04%	0	Timeline
PNCPNC FINL SVCS GROUP INC	2,800	$517K	0.03%	0	Timeline
GEHCGE HEALTHCARE TECHNOLOGIES I	5,324	$499K	0.03%	0	Timeline
CTASCINTAS CORP	2,400	$494K	0.03%	+1,600	Timeline
SXISTANDEX INTL CORP	2,685	$490K	0.03%	0	Timeline
MRSHMARSH & MCLENNAN COS INC	2,000	$446K	0.03%	0	Timeline
UPSUNITED PARCEL SVCS INC	3,270	$445K	0.03%	0	Timeline
TXNTEXAS INSTRS INC	2,070	$427K	0.03%	0	Timeline
IVLUISHARES TR	14,234	$420K	0.03%	0	Timeline
IWOISHARES TR	1,329	$377K	0.02%	0	Timeline
DEDEERE & CO	860	$358K	0.02%	0	Timeline
ITRIITRON INC	3,300	$352K	0.02%	0	Timeline
RSGREPUBLIC SVCS INC	1,750	$351K	0.02%	0	Timeline
SOLVSOLVENTUM CORP	5,020	$349K	0.02%	-782	Timeline
ABBVABBVIE INC	1,754	$346K	0.02%	0	Timeline
PFEPFIZER INC	11,700	$338K	0.02%	0	Timeline
VEAVANGUARD TAX-MANAGED FDS	6,150	$324K	0.02%	-2,525	Timeline
NVZMYNOVOZYMES NOVOZYMES B ADR (DNK	4,500	$324K	0.02%	0	Timeline
EBCEASTERN BANKSHARES INC	18,450	$302K	0.02%	new	Timeline
AVGOBROADCOM INC	1,700	$293K	0.02%	+1,450	Timeline
CLHCLEAN HARBORS INC	1,200	$290K	0.02%	0	Timeline
ZWSZURN ELKAY WATER SOLNS CORP	8,000	$287K	0.02%	0	Timeline
LKQLKQ CORP	7,200	$287K	0.02%	0	Timeline
CITHE CIGNA GROUP	826	$286K	0.02%	0	Timeline
SLBSLB LIMITED	6,750	$283K	0.02%	+2,300	Timeline
AYIACUITY INC	1,000	$275K	0.02%	0	Timeline
BABOEING CO	1,790	$272K	0.02%	0	Timeline
AMGNAMGEN INC	834	$268K	0.02%	0	Timeline
NOCNORTHROP GRUMMAN CORP	492	$259K	0.02%	0	Timeline
LDGYYLANDIS GYR GROUP AG UNSPONSORE	11,000	$256K	0.02%	0	Timeline
IDXXIDEXX LABS INC	500	$252K	0.02%	0	Timeline
EMREMERSON ELEC CO	2,280	$249K	0.02%	0	Timeline
CLCOLGATE PALMOLIVE CO	2,400	$249K	0.02%	0	Timeline
PAYXPAYCHEX INC	1,775	$238K	0.02%	0	Timeline
WMWASTE MGMT INC DEL	1,100	$228K	0.01%	0	Timeline
VOOVANGUARD INDEX FDS	410	$216K	0.01%	-120	Timeline
AOSSMITH A O CORP	2,400	$215K	0.01%	new	Timeline
PFGPRINCIPAL FINANCIAL GROUP IN	2,500	$214K	0.01%	new	Timeline
NKENIKE INC	2,420	$213K	0.01%	new	Timeline
MNDYMONDAY COM LTD	745	$206K	0.01%	new	Timeline
XYLXYLEM INC	1,500	$202K	0.01%	0	Timeline
MPMP MATERIALS CORP	11,000	$194K	0.01%	0	Timeline
ERIIENERGY RECOVERY INC	11,000	$191K	0.01%	0	Timeline
CAECAE INC	10,000	$187K	0.01%	-3,000	Timeline
ENVXENOVIX CORPORATION	20,000	$186K	0.01%	+6,000	Timeline
NOVAQSUNNOVA ENERGY INTERNATIONAL I	19,000	$185K	0.01%	0	Timeline
BEBLOOM ENERGY CORP	10,000	$105K	0.01%	new	Timeline
CLNECLEAN ENERGY FUELS CORP	30,000	$93K	0.01%	0	Timeline

Sold out in Q3 2024

Positions in the previous quarter's report that this quarter's report no longer lists.

Security	Shares before	Value before	Type
LIBERTY MEDIA CORP DELLIBERTY MEDIA CORP DEL	710,337	$15.7M	shares
LIBERTY MEDIA CORP DEL COM …LIBERTY MEDIA CORP DEL COM LBTY S…	217,752	$4.82M	shares
TE CONNECTIVITY LTDTE CONNECTIVITY LTD	24,753	$3.72M	shares
ZBHZIMMER BIOMET HOLDINGS INC	15,590	$1.69M	shares
NTRNUTRIEN LTD	18,000	$916K	shares
CAMBRIDGE BANCORPCAMBRIDGE BANCORP	3,723	$256K	shares
HIHILLENBRAND INC	5,000	$200K	shares

How Q3 2024 was built

Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).

Filing	Role	Amendment	Filed	Accepted	Ingested
13F-HR 0001082461-24-000005	base		2024-11-07	acceptance time not in the bulk data set	2026-10-07 18:26:56 UTC