QuantOrb.pro

MITCHELL SINKLER & STARR/PA

SEC Form 13F institutional filer · CIK 0001048921

13F-HR · 104 reported holdings · 2026-03-31

Reported long-US-equity value

$0.20B

Top-10 concentration

44.0%

MITCHELL SINKLER & STARR/PA — $196M AUM allocation strategy

MITCHELL SINKLER & STARR/PA files SEC Form 13F and reports $196M of long US equity value across 104 reported holdings for 2026-03-31.

Its largest sector bet is Information Technology 15.9%, followed by Financials 8.7% and Health Care 6.8%.

The top 10 holdings account for 44% of reported value — a broadly spread portfolio. The sector and industry splits below are of the same reported value. Track quarter-over-quarter adds, trims, new positions and exits below — sourced from SEC 13F filings, public domain.

MITCHELL SINKLER & STARR/PA — latest SEC 13F insights

Reported long-US-equity value (13F AUM)

$196M

total across 104 reported holdings · 2026-03-31 · excludes shorts, cash, non-US

Top-10 concentration

44% of value

higher = narrower conviction; lower = spread / hedging

Biggest adds (shares)

$SCHW$VOO$AAPL

+$SCHW +5.33K sh · −$71.3K+$VOO +1.6K sh · −$170K+$AAPL +970 sh · −$569K

Biggest trims (shares)

$BMY$ORCL$PG

−$BMY −1.16K sh · −$22.5K−$ORCL −965 sh · −$361K−$PG −783 sh · −$52.9K

Added from nil (new positions)

$MRSH$HPE$COP$CMCSA

4 fresh holdings — new conviction

Exited to nil (held last quarter, gone now)

$XLY$CRM

$XLY ($215K last qtr)$CRM ($203K last qtr)

Sector allocation (share of reported value)

Information Technology 16%ETFs 12%Financials 9%Health Care 7%Communication Services 5%Consumer Staples 4%Consumer Discretionary 3%Energy 3%Other holdings 41%SECTORS
  • $XLKInformation Technology15.9%
  • ETFs12.3%
  • $XLFFinancials8.7%
  • $XLVHealth Care6.8%
  • $XLCCommunication Services5.0%
  • $XLPConsumer Staples3.9%
  • $XLYConsumer Discretionary3.3%
  • $XLEEnergy3.2%
  • Other holdings40.8%

each slice is a share of the reported long-US-equity value — smaller sectors and the rest of the book roll into “Other holdings”

Qtr shift = share-point change vs the prior quarter's filing — first period tracked for this filer; the column fills in with the next quarterly refresh.

Industry allocation (share of reported value)

Investment Banking & Brokerage 7%Technology Hardware, Storage & Peripherals 6%Pharmaceuticals 5%Semiconductors 5%Interactive Media & Services 5%Systems Software 5%Personal Care Products 4%Integrated Oil & Gas 3%Other holdings 60%INDUSTRIES
  • Investment Banking & Brokerage7.0%
  • Technology Hardware, Storage & Peripherals5.9%
  • Pharmaceuticals5.3%
  • Semiconductors5.0%
  • Interactive Media & Services5.0%
  • Systems Software4.9%
  • Personal Care Products3.9%
  • Integrated Oil & Gas3.2%
  • Other holdings59.8%

the finer GICS cut of the same book — same denominator — smaller industries roll into “Other holdings”

Qtr shift = share-point change vs the prior quarter's filing — first period tracked for this filer; the column fills in with the next quarterly refresh.

Top S&P 500 holdings

8 of 8 rows · sorted by Value ↓

TickerHoldingSharesValueΔ QoQWeight
$SCHWCharles Schwab Corporation499K$13.7M+5.33K7.0%
$AAPLApple Inc46.1K$11.7M+9706.0%
$NVDANVIDIA Corporation56.7K$9.9M-3595.1%
$MSFTMicrosoft Corporation25.7K$9.5M-2124.9%
$PGProcter & Gamble Company52.4K$7.57M-7833.9%
$GOOGAlphabet Inc. Class C Capital Stock25K$7.18M+1583.7%
$JNJJohnson & Johnson21.3K$5.2M-3542.7%
$MRKMerck & Company Inc42.3K$5.09M+02.6%

…and 96 more holdings in the full 13F filing (top positions only shown).

SEC Form 13F data sets · public domain · 45-day filing lag · >$100M AUM managers · as reported

← All 13F filers·← QuantOrb.pro

How to read Δ QoQ — the five insight categories, and the caveats

The categories. Analysts, quants and retail traders look past total portfolio value to isolate actionable signals. Five categories matter.

Conviction & concentration shifts

New positions vs complete exits — a brand-new stock signals high conviction; a full liquidation suggests a broken thesis or tax-loss harvesting. Aggressive sizing — look at share count, not dollars: a 20% share increase during a drawdown is strong dip-buying. Concentration — a narrowing top-5/10 means conviction; spreading capital across more names means hedging.

Sector & macro allocation rotations

Aggregating Δ QoQ moves across sectors shows where smart money is leaning in or sneaking out — rotating out of growth into defensives or energy, for example. The fund's total long equity exposure quarter-over-quarter is a proxy for overall institutional risk appetite.

Crowding & smart-money consensus

When several managers initiate or expand the same stock in the same quarter, that is institutional consensus. Contrarian reads: top pickers buying hard into a beaten-down name the market is selling.

Derivative & option overlays

Reported call/put changes indicate whether managers are adding downside hedges or leveraging upside exposure. Note: a long increase may be half of a market-neutral pair trade.

Who reads this

Retail "cloners"High-conviction ideas to replicate ~45 days after quarter-end.
Corporate IRWhich funds bought or dumped the stock, before the next call.
Quant / algo tradersCross-sectional factor inputs: flow, momentum, ownership.

Four caveats before you trade on it

  • 45-day lag — holdings are quarter-end; positions may already be closed.
  • Long-only — 13Fs miss shorts, pair trades and cash.
  • No non-US / fixed income — the picture is US equities plus options.
  • Corporate actions — splits and spinoffs distort raw share deltas.

Newsletter signup

Free subscription. Daily trading day morning dispatch. No spam.