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Livermore
Livermore
ZHEN

Mitchell Sinkler & Starr

SEC CIK
0001048921
Latest filing
Jul 21, 2026

The latest 13F from Mitchell Sinkler & Starr covers Q2 2026 (filed Jul 21, 2026): 155 long positions worth $240.1M. The top 10 holdings make up 37.4% of the portfolio, and the largest is Vanguard S&P 500 ETF at 5.4%. Livermore has 22 filings on Form 13F from this institution, going back to Q1 2021.

What changed in Q2 2026

Share counts compared with Q1 2026: how many positions were new, added to, reduced or sold out, and the biggest buys and sells. Dollar amounts are estimated at the quarter-end prices implied by the filing.

Full comparison
New
17
Est. +$4.61M
Added
50
Est. +$4.16M
Reduced
54
Est. −$3.56M
Sold out
5
Est. −$3.46M

Top 5 holdings

Share of this quarter's portfolio value

  1. Vanguard S&P 500 ETF922908363
    5.4%$12.9M
  2. AAPLApple Inc.
    5.3%$12.8MHistory
  3. NVDANVIDIA Corp
    4.5%$10.9MHistory
  4. MSFTMicrosoft Corp
    4.0%$9.66MHistory
  5. Schwab U.S. Broad Market ETF808524102
    3.9%$9.35M

Biggest buys

New and added positions, by estimated amount bought

  1. Vanguard S&P 500 ETF922908363
    +$1.60MAdded
  2. Vanguard Morningstar Total Stock Market ETF922908769
    +$525.5KAdded
  3. CRUSCirrus Logic, Inc.
    +$442.9KNewHistory
  4. RRyder System Inc
    +$363.2KNewHistory
  5. BNYBank of New York Mellon Corp
    +$355.7KNewHistory

Largest weight increases

New and added positions, by percentage points of the portfolio gained

  1. Vanguard S&P 500 ETF922908363
    +0.83 pp4.5% → 5.4%
  2. Vanguard Information Technology ETF92204A702
    +0.34 pp1.4% → 1.7%
  3. MRVLMarvell Technology, Inc.
    +0.32 pp0.2% → 0.5%History
  4. Vanguard Morningstar Total Stock Market ETF922908769
    +0.32 pp2.6% → 2.9%
  5. HPEHewlett Packard Enterprise Co
    +0.20 pp0.1% → 0.3%History

Biggest sells

Reduced and sold-out positions, by estimated amount sold

  1. MRSHMarsh & McLennan Companies, Inc.
    −$1.53MSold outHistory
  2. HONHoneywell International Inc
    −$1.30MSold outHistory
  3. AAPLApple Inc.
    −$525.2KReducedHistory
  4. NVDANVIDIA Corp
    −$479.4KReducedHistory
  5. SPYSPDR S&P 500 ETF Trust
    −$448.1KReducedHistory

Largest weight decreases

Reduced and sold-out positions, by percentage points of the portfolio lost

  1. MRSHMarsh & McLennan Companies, Inc.
    −0.71 pp0.7% → 0.0%History
  2. HONHoneywell International Inc
    −0.60 pp0.6% → 0.0%History
  3. XOMExxonMobil Holdings Corp
    −0.46 pp1.7% → 1.2%History
  4. PGProcter & Gamble Co
    −0.33 pp3.5% → 3.2%History
  5. ACNAccenture plc
    −0.25 pp0.5% → 0.2%History

Metrics

13F metrics for Q2 2026, computed only from the numbers in the filings. Definitions below.

Portfolio value
$240.1M
+$23.5M (+10.8%) vs. prior quarter
Positions
155
+12 vs. prior quarter
Top 10 concentration
37.4%
Top 10 as share of value
Turnover
3.1%
Q2 2026, one quarter
Average holding period
17.2 quarters
Weighted by value

How these are calculated

  • Portfolio value: the market value of all long positions in the 13F, as reported at quarter end, excluding options.
  • Top 10 concentration: the combined value of the 10 largest positions as a share of portfolio value.
  • Turnover: the smaller of this quarter's estimated purchases and estimated sales, divided by the average of this and last quarter's portfolio value. Estimates multiply the change in shares by the quarter-end price implied by the filing (market value divided by shares); new positions use this quarter's value and sold-out positions last quarter's. Only positions reported in shares count, and it is not calculated when the previous quarter was not filed.
  • Average holding period: how many consecutive quarters each current position has been held (including this one; a quarter without the position or without a filing starts the count over), weighted by this quarter's value. Counting starts with the first 13F in Livermore (Q1 2021), so positions held before then are understated.

13F filings by quarter

22 quarters, going back to Q1 2021. Bars show each quarter's 13F portfolio value; quarters without a filing are left blank.

Peak $549.7M (Q4 2023)

Q1 2021: $103.2MQ2 2021: $109.9MQ3 2021: $110.6MQ4 2021: $336.8MQ1 2022: $319.4MQ2 2022: $272.3MQ3 2022: $257.9MQ4 2022: $310.7MQ1 2023: $338.2MQ2 2023: $352.2MQ3 2023: $325.1MQ4 2023: $549.7MQ1 2024: $399.8MQ2 2024: $389.6MQ3 2024: $397.8MQ4 2024: $374.8MQ1 2025: $357.2MQ2 2025: $208.9MQ3 2025: $222.4MQ4 2025: $221.3MQ1 2026: $216.6MQ2 2026: $240.1M
Q1 2021Q2 2026
13F filings of Mitchell Sinkler & Starr by quarter
QuarterFiledPositionsValueTop 3 holdingsChangesFiling
Q2 2026Jul 21, 2026155$240.1MVanguard S&P 500 ETFAAPLNVDAvs. Q1 2026SEC
Q1 2026Apr 13, 2026143$216.6MAAPLNVDAVanguard S&P 500 ETFvs. Q4 2025SEC
Q4 2025Feb 11, 2026139$221.3MMSFTAAPLNVDAvs. Q3 2025SEC
Q3 2025Nov 4, 2025142$222.4MMSFTAAPLNVDAvs. Q2 2025SEC
Q2 2025Jul 25, 2025144$208.9MMSFTNVDAAAPLvs. Q1 2025SEC
Q1 2025May 7, 2025152$357.2MAAPLMSFTABTvs. Q4 2024SEC
Q4 2024Feb 12, 2025190$374.8MMSFTAAPLGOOGLvs. Q3 2024SEC
Q3 2024Nov 13, 2024189$397.8MMSFTAAPLHDvs. Q2 2024SEC
Q2 2024Aug 7, 2024184$389.6MMSFTAAPLHDvs. Q1 2024SEC
Q1 2024Apr 30, 2024184$399.8MMSFTAAPLHDvs. Q4 2023SEC
Q4 2023Feb 12, 2024202$549.7MMSFTAAPLMRKvs. Q3 2023SEC
Q3 2023Nov 1, 2023105$325.1MMSFTAAPLJNJvs. Q2 2023SEC
Q2 2023Jul 18, 2023139$352.2MMSFTAAPLJNJvs. Q1 2023SEC
Q1 2023May 15, 2023142$338.2MMSFTAAPLAPDvs. Q4 2022SEC
Q4 2022Feb 14, 2023139$310.7MMSFTAPDAAPLvs. Q3 2022SEC
Q3 2022Oct 25, 2022109$257.9MAAPLMSFTUNPvs. Q2 2022SEC
Q2 2022Jul 21, 2022113$272.3MUNPMSFTMCOvs. Q1 2022SEC
Q1 2022Apr 19, 2022120$319.4MUNPMSFTMCOvs. Q4 2021SEC
Q4 2021Feb 1, 2022120$336.8MMCOMSFTUNPvs. Q3 2021SEC
Q3 2021Oct 12, 2021103$110.6MVanguard Morningstar Total Stock Market ETFAAPLMSFTvs. Q2 2021SEC
Q2 2021Jul 15, 2021104$109.9MVanguard Morningstar Total Stock Market ETFAAPLMSFTvs. Q1 2021SEC
Q1 2021Apr 12, 2021100$103.2MVanguard Morningstar Total Stock Market ETFAAPLMSFT–SEC