Harbour Capital Advisors, LLC
SEC Form 13F institutional filer · CIK 0001682501
13F-HR · 115 reported holdings · 2026-03-31
Reported long-US-equity value
$0.39B
Top-10 concentration
45.6%
Harbour Capital Advisors, LLC — $395M AUM allocation strategy
Harbour Capital Advisors, LLC files SEC Form 13F and reports $395M of long US equity value across 115 reported holdings for 2026-03-31.
Its largest sector bet is Information Technology 26.3%, followed by Communication Services 6.5% and Financials 5.7%.
The top 10 holdings account for 46% 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.
Harbour Capital Advisors, LLC — latest SEC 13F insights
Reported long-US-equity value (13F AUM)
$395M
total across 115 reported holdings · 2026-03-31 · excludes shorts, cash, non-US
Top-10 concentration
46% of value
higher = narrower conviction; lower = spread / hedging
Biggest adds (shares)
+$BKNG +23.3K sh · −$799K+$GS +22.5K sh · +$2.28M+$USB +11.4K sh · +$569K
Biggest trims (shares)
−$AMCR −22.8K sh · −$11.4K−$GOOGL −4.57K sh · −$555K−$AVGO −2.54K sh · +$3.02M
Exited to nil (held last quarter, gone now)
$PLTR ($5.86M last qtr)$INTU ($5.26M last qtr)$CRM ($2.85M last qtr)$TKO ($2.65M last qtr)$APO ($1.72M last qtr)
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)
- Semiconductors7.8%—
- Interactive Media & Services6.5%—
- Communications Equipment4.9%—
- Technology Hardware, Storage & Peripherals4.1%—
- Pharmaceuticals3.6%—
- Electronic Components3.6%—
- Diversified Banks3.5%—
- Systems Software3.0%—
- Other holdings63.0%—
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 ↓
| Ticker | Holding | Shares | Value | Δ QoQ | Weight |
|---|---|---|---|---|---|
| $AVGO | Broadcom Inc | 51.9K | $22M | -2.54K | 5.6% |
| $CIEN | Ciena Corporation | 39K | $19.5M | +49 | 4.9% |
| $AAPL | Apple Inc | 58.6K | $16M | +91 | 4.1% |
| $LLY | Eli Lilly and Company | 15.3K | $14.1M | -489 | 3.6% |
| $JPM | JP Morgan Chase & Co | 43.8K | $13.7M | +1.51K | 3.5% |
| $GOOGL | Alphabet Inc | 39.6K | $13.4M | -4.57K | 3.4% |
| $MSFT | Microsoft Corporation | 27.9K | $12.1M | -233 | 3.1% |
| $LRCX | Lam Research Corporation | 43.7K | $11.6M | +0 | 2.9% |
…and 107 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
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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.
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