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Livermore
Livermore
ZHEN

S&CO Inc

SEC CIK
0001082461
Latest filing
Aug 6, 2026

Holdings in Q4 2025

Holdings as of Dec 31, 2025, filed Feb 5, 2026. Long positions only; changes compare share counts with Q3 2025.

Institution overview
Positions
218
−4 vs. Q3 2025
Portfolio value
$1.61B
−$23.6M (−1.4%) vs. Q3 2025
Filed
Feb 5, 2026
SEC
Holdings of S&CO Inc in Q4 2025
SecurityClassSharesValue% of portfolioShare changeActionHistory
CLNEClean Energy Fuels Corp.COM60,000$126.0K<0.1%00.0%UnchangedHistory
ERIIEnergy Recovery, Inc.COM12,000$161.0K<0.1%00.0%UnchangedHistory
Landis Gyr Group AG UnSponsore51504D105COM12,000$194.0K<0.1%00.0%Unchanged–
GNRCGenerac Holdings Inc.Stock1,502$204.0K<0.1%00.0%UnchangedHistory
CFGCitizens Financial Group IncCOM3,500$204.0K<0.1%+3,500NewHistory
LKQLKQ CorpCOM7,200$217.0K<0.1%00.0%UnchangedHistory
XYLXylem Inc.COM1,600$217.0K<0.1%00.0%UnchangedHistory
FICOFair Isaac CorpCOM130$219.0K<0.1%+130NewHistory
ORAOrmat Technologies, Inc.COM2,000$220.0K<0.1%+2,000NewHistory
PFGPrincipal Financial Group IncCOM2,500$220.0K<0.1%00.0%UnchangedHistory
VLTOVeralto CorpStock2,233$222.0K<0.1%00.0%UnchangedHistory
GLWCorning IncCOM2,550$223.0K<0.1%00.0%UnchangedHistory
RRXRegal Rexnord CorpCOM1,600$224.0K<0.1%00.0%UnchangedHistory
CICigna GroupStock824$226.0K<0.1%00.0%UnchangedHistory
APTVAptiv PLCStock3,000$228.0K<0.1%00.0%UnchangedHistory
WMWaste Management IncStock1,100$241.0K<0.1%00.0%UnchangedHistory
AESAES CorpStock17,000$243.0K<0.1%+1,000+6.3%AddedHistory
SEESealed Air CorpCOM6,000$248.0K<0.1%+6,000NewHistory
ENVXEnovix CorpCOM35,000$255.0K<0.1%00.0%UnchangedHistory
Vanguard S&P 500 ETF922908363ETF423$265.0K<0.1%00.0%Unchanged–
BEPBrookfield Renewable Partners L.P.PARTNERSHIP UNIT10,000$269.0K<0.1%00.0%UnchangedHistory
AMGNAmgen IncStock834$272.0K<0.1%00.0%UnchangedHistory
NOCNorthrop Grumman CorpStock492$280.0K<0.1%00.0%UnchangedHistory
CLHClean Harbors IncCOM1,200$281.0K<0.1%00.0%UnchangedHistory
Novozymes A/S670108109COM4,500$288.0K<0.1%00.0%Unchanged–
CTASCintas CorpStock1,600$300.0K<0.1%00.0%UnchangedHistory
EMREmerson Electric CoStock2,280$302.0K<0.1%00.0%UnchangedHistory
DASHDoorDash, Inc.Stock1,341$303.0K<0.1%00.0%UnchangedHistory
MPMP Materials Corp.COM CL A6,000$303.0K<0.1%−500−7.7%ReducedHistory
CAECae IncCOM10,000$304.0K<0.1%00.0%UnchangedHistory
ITRIItron, Inc.COM3,300$306.0K<0.1%00.0%UnchangedHistory
ORCLOracle CorpStock1,675$326.0K<0.1%+100+6.3%AddedHistory
EBCEastern Bankshares, Inc.COM18,305$337.0K<0.1%00.0%UnchangedHistory
IDXXIDEXX Laboratories IncCOM500$338.0K<0.1%00.0%UnchangedHistory
TXNTexas Instruments IncStock2,070$359.0K<0.1%00.0%UnchangedHistory
AYIAcuity Inc. (DE)Stock1,000$360.0K<0.1%00.0%UnchangedHistory
RSGRepublic Services, Inc.COM1,750$370.0K<0.1%00.0%UnchangedHistory
MRSHMarsh & McLennan Companies, Inc.Stock2,000$371.0K<0.1%00.0%UnchangedHistory
ZWSZurn Elkay Water Solutions CorpCOM8,000$371.0K<0.1%00.0%UnchangedHistory
GLIBALiberty Capital CorpSER A GCI GROUP10,249$377.0K<0.1%−57−0.6%ReducedHistory
Vanguard Ftse Developed Markets ETF921943858ETF6,150$384.0K<0.1%00.0%Unchanged–
BABoeing CoStock1,790$388.0K<0.1%00.0%UnchangedHistory
DEDeere & CoStock860$400.0K<0.1%00.0%UnchangedHistory
GEHCGE HealthCare Technologies Inc.Stock5,218$427.0K<0.1%−53−1.0%ReducedHistory
iShares Russell 2000 Growth ETF464287648ETF1,329$429.0K<0.1%00.0%Unchanged–
AVGOBroadcom Inc.Stock1,245$430.0K<0.1%00.0%UnchangedHistory
INTCIntel CorpStock11,734$432.0K<0.1%−328−2.7%ReducedHistory
BEBloom Energy CorpCOM CL A5,000$434.0K<0.1%−5,000−50.0%ReducedHistory
APPAppLovin CorpCOM CL A675$454.0K<0.1%00.0%UnchangedHistory
BAHBooz Allen Hamilton Holding CorpCL A5,860$494.0K<0.1%−30−0.5%ReducedHistory
Vestas Wind Sys as Unsp ADR925458101COM60,950$553.0K<0.1%00.0%Unchanged–
RAREUltragenyx Pharmaceutical Inc.COM25,255$580.0K<0.1%00.0%UnchangedHistory
SXIStandex International CorpCOM2,685$583.0K<0.1%00.0%UnchangedHistory
PNCPNC Financial Services Group, Inc.Stock2,800$584.0K<0.1%00.0%UnchangedHistory
ZTSZoetis Inc.Stock4,824$606.0K<0.1%−3,492−42.0%ReducedHistory
IQVIQVIA Holdings Inc.Stock3,000$676.0K<0.1%00.0%UnchangedHistory
UTHRUnited Therapeutics CorpCOM1,431$697.0K<0.1%00.0%UnchangedHistory
KOCoca Cola CoStock10,236$715.0K<0.1%00.0%UnchangedHistory
TAT&T Inc.Stock29,034$721.0K<0.1%+47+0.2%AddedHistory
GISGeneral Mills IncStock15,646$727.0K<0.1%00.0%UnchangedHistory
TTTrane Technologies plcSHS1,880$731.0K<0.1%00.0%UnchangedHistory
iShares Russell 1000 Growth ETF464287614ETF1,552$734.0K<0.1%−10−0.6%Reduced–
CRMSalesforce, Inc.Stock2,839$752.0K<0.1%00.0%UnchangedHistory
CETCentral Securities CorpCOM15,473$784.0K<0.1%+724+4.9%AddedHistory
BATRKAtlanta Braves Holdings, Inc.COM SER C20,038$790.0K<0.1%−4,042−16.8%ReducedHistory
iShares Russell Midcap ETF464287499ETF8,344$803.0K<0.1%00.0%Unchanged–
KMPRKEMPER CorpCOM19,870$805.0K0.1%00.0%UnchangedHistory
ETREntergy CorpCOM8,966$828.0K0.1%00.0%UnchangedHistory
WMTWalmart Inc.Stock7,512$836.0K0.1%00.0%UnchangedHistory
MTDMettler Toledo International IncCOM600$836.0K0.1%00.0%UnchangedHistory
CHTRCharter Communications, Inc.CL A4,143$864.0K0.1%−10,020−70.7%ReducedHistory
ALCAlcon IncStock11,196$882.0K0.1%00.0%UnchangedHistory
EOGEOG Resources IncStock8,420$884.0K0.1%+1,015+13.7%AddedHistory
MRVLMarvell Technology, Inc.COM10,573$898.0K0.1%00.0%UnchangedHistory
iShares S&P 500 Value ETF464287408ETF4,350$922.0K0.1%00.0%Unchanged–
Vanguard Morningstar Total Stock Market ETF922908769ETF2,882$966.0K0.1%00.0%Unchanged–
AGCOAGCO CorpCOM9,325$972.0K0.1%00.0%UnchangedHistory
NBIXNeurocrine Biosciences IncStock7,000$992.0K0.1%00.0%UnchangedHistory
PRVAPrivia Health Group, Inc.COM42,000$995.0K0.1%00.0%UnchangedHistory
MNDYmonday.com Ltd.SHS6,875$1.01M0.1%+6,875NewHistory
CPCanadian Pacific Kansas City LtdCOM14,000$1.03M0.1%−6,600−32.0%ReducedHistory
iShares Russell 1000 Value ETF464287598ETF5,050$1.06M0.1%00.0%Unchanged–
HCAHCA Healthcare, Inc.COM2,298$1.07M0.1%00.0%UnchangedHistory
HONHoneywell International IncCOM5,642$1.10M0.1%+80+1.4%AddedHistory
BENFranklin Templeton IncCOM46,495$1.11M0.1%00.0%UnchangedHistory
KMBKimberly Clark CorpStock11,914$1.20M0.1%00.0%UnchangedHistory
CWCurtiss Wright CorpStock2,372$1.31M0.1%00.0%UnchangedHistory
PFEPfizer IncStock53,488$1.33M0.1%−1,906−3.4%ReducedHistory
ADBEAdobe Inc.Stock3,887$1.36M0.1%00.0%UnchangedHistory
RBLXRoblox CorpStock16,940$1.37M0.1%00.0%UnchangedHistory
iShares Inc464286582MSCI JAPN SMCETF15,000$1.38M0.1%00.0%Unchanged–
ABBVAbbVie Inc.Stock6,092$1.39M0.1%00.0%UnchangedHistory
IAUiShares Gold TrustETF17,174$1.39M0.1%00.0%UnchangedHistory
SONYSony Group CorpSPONSORED ADR55,000$1.41M0.1%00.0%UnchangedHistory
INSMINSMED IncCOM PAR $.018,300$1.44M0.1%00.0%UnchangedHistory
LOWLowes Companies IncStock6,403$1.54M0.1%+40+0.6%AddedHistory
LECOLincoln Electric Holdings IncCOM7,000$1.68M0.1%00.0%UnchangedHistory
GLIBKLiberty Capital CorpSER C GCI GROUP45,275$1.68M0.1%+15,182+50.5%AddedHistory
PENPenumbra IncCOM5,500$1.71M0.1%00.0%UnchangedHistory
PODDInsulet CorpStock6,385$1.81M0.1%00.0%UnchangedHistory

Sold out since Q3 2025 (10)

Positions held at the end of Q3 2025 that are gone from this filing.

Positions of S&CO Inc sold out since Q3 2025
SecurityClassShares in Q3 2025Value in Q3 2025% of portfolio in Q3 2025History
FMCFMC CorpCOM NEW370,806$12.5M0.8%History
OXYOccidental Petroleum CorpStock105,115$4.97M0.3%History
eMagin Corp @.78 10/9/19-10/9999999999warrants47,496$2.81M0.2%–
BAXBaxter International IncStock39,855$907.0K0.1%History
AKAMAkamai Technologies IncCOM5,427$411.0K<0.1%History
ALGNAlign Technology IncCOM2,093$262.0K<0.1%History
NFLXNetflix IncStock200$239.0K<0.1%History
MDLZMondelez International, Inc.Stock3,692$230.0K<0.1%History
PAYXPaychex IncStock1,775$224.0K<0.1%History
AOSSmith A O CorpCOM2,990$219.0K<0.1%History