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BCK Partners, Inc.

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13F filer, CIK 1845867, Corning, NY

BCK Partners, Inc. reported $185,037,542 across 27 holdings for the quarter ended 2025-12-31, in a 13F-HR filed 2026-01-28. Its ten largest share positions make up 95.81% of the portfolio.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0002085853-26-000131

Period
2025-12-31
Reported value
$185M
Holdings
27
Top 10 weight
95.81%
New
2
Sold out
1

Largest buys vs the previous quarter

SecurityShares changeApprox. value
VCSHadded+18,524$1.48M
IGIBadded+9,474$510K
VTIadded+861$289K
LLYnew+214$230K
AMGNnew+660$216K

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

SecurityShares changeApprox. value
VOOreduced-3,696-$2.32M
GLWreduced-9,456-$828K
VBreduced-2,271-$586K
VOreduced-1,719-$499K
SCHFreduced-11,780-$283K

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, Q4 2025

Share positions as resolved from 13F-HR 0002085853-26-000131, largest first. % of portfolio is the value over $185,037,542, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
VOOVANGUARD INDEX FDSQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 100,900 shares; 2024Q4: 77,417 shares; 2025Q1: 78,354 shares; 2025Q2: 78,407 shares; 2025Q3: 80,152 shares; 2025Q4: 76,456 shares 76,456$47.9M25.91%-3,696Timeline
VCSHVANGUARD SCOTTSDALE FDSQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 609,296 shares; 2024Q4: 504,478 shares; 2025Q1: 509,811 shares; 2025Q2: 514,744 shares; 2025Q3: 535,492 shares; 2025Q4: 554,016 shares 554,016$44.2M23.87%+18,524Timeline
VOVANGUARD INDEX FDSQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 119,881 shares; 2024Q4: 91,971 shares; 2025Q1: 92,785 shares; 2025Q2: 92,806 shares; 2025Q3: 96,776 shares; 2025Q4: 95,057 shares 95,057$27.6M14.91%-1,719Timeline
VBVANGUARD INDEX FDSQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 101,197 shares; 2024Q4: 75,325 shares; 2025Q1: 76,430 shares; 2025Q2: 79,352 shares; 2025Q3: 84,290 shares; 2025Q4: 82,019 shares 82,019$21.2M11.43%-2,271Timeline
IGIBISHARES TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 453,956 shares; 2024Q4: 354,333 shares; 2025Q1: 359,536 shares; 2025Q2: 362,951 shares; 2025Q3: 375,389 shares; 2025Q4: 384,863 shares 384,863$20.7M11.21%+9,474Timeline
SCHFSCHWAB STRATEGIC TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 199,290 shares; 2024Q4: 319,117 shares; 2025Q1: 329,826 shares; 2025Q2: 314,852 shares; 2025Q3: 323,558 shares; 2025Q4: 311,778 shares 311,778$7.5M4.05%-11,780Timeline
SCHESCHWAB STRATEGIC TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 129,426 shares; 2024Q4: 99,091 shares; 2025Q1: 101,729 shares; 2025Q2: 99,457 shares; 2025Q3: 101,744 shares; 2025Q4: 97,118 shares 97,118$3.18M1.72%-4,626Timeline
GLWCORNING INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 62,169 shares; 2024Q4: 59,409 shares; 2025Q1: 26,845 shares; 2025Q2: 27,492 shares; 2025Q3: 31,405 shares; 2025Q4: 21,949 shares 21,949$1.92M1.04%-9,456Timeline
VTIVANGUARD INDEX FDSQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 5,779 shares; 2024Q4: 4,496 shares; 2025Q1: 4,469 shares; 2025Q2: 4,316 shares; 2025Q3: 4,265 shares; 2025Q4: 5,126 shares 5,126$1.72M0.93%+861Timeline
SCHASCHWAB STRATEGIC TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 27,223 shares; 2024Q4: 49,245 shares; 2025Q1: 48,990 shares; 2025Q2: 48,640 shares; 2025Q3: 48,170 shares; 2025Q4: 47,745 shares 47,745$1.36M0.73%-425Timeline
AAPLAPPLE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 4,337 shares; 2024Q4: 4,237 shares; 2025Q1: 4,237 shares; 2025Q2: 4,239 shares; 2025Q3: 3,986 shares; 2025Q4: 3,926 shares 3,926$1.07M0.58%-60Timeline
BRK-BBERKSHIRE HATHAWAY INC DELQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 2,800 shares; 2024Q4: 2,031 shares; 2025Q1: 2,031 shares; 2025Q2: 1,975 shares; 2025Q3: 1,974 shares; 2025Q4: 1,974 shares 1,974$992K0.54%0Timeline
SPDWSPDR INDEX SHS FDSQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 18,670 shares; 2024Q4: 15,157 shares; 2025Q1: 15,246 shares; 2025Q2: 14,913 shares; 2025Q3: 14,356 shares; 2025Q4: 14,164 shares 14,164$629K0.34%-192Timeline
AMZNAMAZON COM INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 2,610 shares; 2024Q4: 2,610 shares; 2025Q1: 2,610 shares; 2025Q2: 2,610 shares; 2025Q3: 2,811 shares; 2025Q4: 2,685 shares 2,685$620K0.33%-126Timeline
JNJJOHNSON & JOHNSONQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 3,492 shares; 2024Q4: 3,032 shares; 2025Q1: 2,807 shares; 2025Q2: 2,807 shares; 2025Q3: 2,807 shares; 2025Q4: 2,807 shares 2,807$581K0.31%0Timeline
NSCNORFOLK SOUTHN CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,590 shares; 2024Q4: 1,590 shares; 2025Q1: 1,590 shares; 2025Q2: 1,590 shares; 2025Q3: 1,575 shares; 2025Q4: 1,525 shares 1,525$440K0.24%-50Timeline
SPSBSPDR SERIES TRUSTQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 19,397 shares; 2024Q4: 14,400 shares; 2025Q1: 14,400 shares; 2025Q2: 14,220 shares; 2025Q3: 14,220 shares; 2025Q4: 14,220 shares 14,220$429K0.23%0Timeline
MSFTMICROSOFT CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,353 shares; 2024Q4: 1,261 shares; 2025Q1: 787 shares; 2025Q2: 777 shares; 2025Q3: 775 shares; 2025Q4: 825 shares 825$399K0.22%+50Timeline
UNHUNITEDHEALTH GROUP INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,296 shares; 2024Q4: 1,285 shares; 2025Q1: 1,285 shares; 2025Q2: 1,285 shares; 2025Q3: 1,247 shares; 2025Q4: 1,142 shares 1,142$377K0.2%-105Timeline
SPTMSPDR SERIES TRUSTQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 7,910 shares; 2024Q4: 5,132 shares; 2025Q1: 5,430 shares; 2025Q2: 5,039 shares; 2025Q3: 4,978 shares; 2025Q4: 4,242 shares 4,242$350K0.19%-736Timeline
XOMEXXON MOBIL CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 3,155 shares; 2024Q4: 3,155 shares; 2025Q1: 3,155 shares; 2025Q2: 3,058 shares; 2025Q3: 3,048 shares; 2025Q4: 2,743 shares 2,743$330K0.18%-305Timeline
NVDANVIDIA CORPORATIONQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 1,500 shares; 2025Q1: not reported; 2025Q2: 1,600 shares; 2025Q3: 1,599 shares; 2025Q4: 1,616 shares 1,616$301K0.16%+17Timeline
AMATAPPLIED MATLS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,795 shares; 2024Q4: 1,745 shares; 2025Q1: 1,745 shares; 2025Q2: 1,215 shares; 2025Q3: 1,170 shares; 2025Q4: 1,170 shares 1,170$301K0.16%0Timeline
GOOGLALPHABET INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,510 shares; 2024Q4: 1,510 shares; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 995 shares; 2025Q4: 943 shares 943$295K0.16%-52Timeline
LLYELI LILLY & COQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 284 shares; 2024Q4: not reported; 2025Q1: 244 shares; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 214 shares 214$230K0.12%newTimeline
AMGNAMGEN INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,074 shares; 2024Q4: 1,054 shares; 2025Q1: 715 shares; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 660 shares 660$216K0.12%newTimeline
SPIBSPDR SERIES TRUSTQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 8,896 shares; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 6,005 shares; 2025Q3: 6,005 shares; 2025Q4: 6,005 shares 6,005$203K0.11%0Timeline

Sold out in Q4 2025

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

SecurityShares beforeValue beforeType
EXELEXELIXIS INC4,920$203Kshares

How Q4 2025 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).

FilingRoleAmendmentFiledAcceptedIngested
13F-HR 0002085853-26-000131 base2026-01-28acceptance time not in the bulk data set