Westerkirk Capital Inc.
SEC Form 13F institutional filer · CIK 0002080423
13F-HR · 151 reported holdings · 2026-03-31
Reported long-US-equity value
$0.59B
Top-10 concentration
36.3%
Westerkirk Capital Inc. — $594M AUM allocation strategy
Westerkirk Capital Inc. files SEC Form 13F and reports $594M of long US equity value across 151 reported holdings for 2026-03-31.
Its largest sector bet is Information Technology 25.3%, followed by Communication Services 9.5% and Financials 7.1%.
The top 10 holdings account for 36% 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.
Westerkirk Capital Inc. — latest SEC 13F insights
Reported long-US-equity value (13F AUM)
$594M
total across 151 reported holdings · 2026-03-31 · excludes shorts, cash, non-US
Top-10 concentration
36% of value
higher = narrower conviction; lower = spread / hedging
Biggest adds (shares)
+$BAC +53K sh · +$2.48M+$JPM +11.9K sh · +$3.34M+$DLTR +2.4K sh · −$344K
Biggest trims (shares)
−$IVV −73.7K sh · −$7.44M−$VOO −37.5K sh · −$23.8M−$FAST −13.6K sh · −$375K
Exited to nil (held last quarter, gone now)
None this quarter
Sector allocation (share of reported value)
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)
- Interactive Media & Services7.4%—
- Semiconductors7.2%—
- Semiconductor Materials & Equipment6.6%—
- Technology Hardware, Storage & Peripherals5.8%—
- Systems Software5.6%—
- Transaction & Payment Processing Services5.5%—
- Pharmaceuticals3.6%—
- Apparel Retail3.1%—
- Other holdings55.2%—
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
9 of 9 rows · sorted by Value ↓
| Ticker | Holding | Shares | Value | Δ QoQ | Weight |
|---|---|---|---|---|---|
| $AAPL | Apple Inc | 136K | $34.6M | -7.34K | 5.8% |
| $NVDA | NVIDIA Corporation | 192K | $33.6M | -11.5K | 5.6% |
| $MSFT | Microsoft Corporation | 90.2K | $33.4M | -3.63K | 5.6% |
| $META | Meta Platforms Inc | 38.8K | $22.2M | -1.85K | 3.7% |
| $MA | Mastercard Incorporated | 39.5K | $19.7M | -3.77K | 3.3% |
| $TJX | TJX Companies Inc | 114K | $18.2M | -7.09K | 3.1% |
| $LRCX | Lam Research Corporation | 69K | $14.7M | -4.3K | 2.5% |
| $V | Visa Inc | 43.6K | $13.2M | -7.73K | 2.2% |
| $KLAC | KLA Corporation | 8.78K | $12.9M | -553 | 2.2% |
…and 142 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 IR | Which funds bought or dumped the stock, before the next call. |
| Quant / algo traders | Cross-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.