Winslow Capital Management, LLC
SEC Form 13F institutional filer · CIK 0000900973
13F-HR · 51 reported holdings · 2026-03-31
Asset management firm.
Reported long-US-equity value
$23.62B
Top-10 concentration
61.4%
Winslow Capital Management, LLC — $23.6B AUM allocation strategy
Winslow Capital Management, LLC files SEC Form 13F and reports $23.6B of long US equity value across 51 reported holdings for 2026-03-31.
Its largest sector bet is Information Technology 39.7%, followed by Communication Services 14.8% and Consumer Discretionary 10.8%.
The top 10 holdings account for 61% of reported value — a conviction-weighted book concentrated in its best ideas. 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.
Winslow Capital Management, LLC — latest SEC 13F insights
Reported long-US-equity value (13F AUM)
$23.6B
total across 51 reported holdings · 2026-03-31 · excludes shorts, cash, non-US
Top-10 concentration
61% of value
higher = narrower conviction; lower = spread / hedging
Biggest adds (shares)
+$ORLY +2.94M sh · +$271M+$PLTR +1.98M sh · +$243M+$GE +1.1M sh · +$279M
Biggest trims (shares)
−$AMZN −2.66M sh · −$744M−$APH −2.37M sh · −$334M−$NOW −2.28M sh · −$373M
Exited to nil (held last quarter, gone now)
$DASH ($532M last qtr)$VRTX ($405M last qtr)$CDNS ($361M last qtr)$CTAS ($343M last qtr)$AXON ($314M 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)
- Semiconductors20.6%—
- Interactive Media & Services12.2%—
- Technology Hardware, Storage & Peripherals10.0%—
- Systems Software7.0%—
- Broadline Retail4.8%—
- Hotels, Resorts & Cruise Lines3.7%—
- Transaction & Payment Processing Services3.5%—
- Pharmaceuticals3.0%—
- Other holdings35.2%—
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
10 of 10 rows · sorted by Value ↓
| Ticker | Holding | Shares | Value | Δ QoQ | Weight |
|---|---|---|---|---|---|
| $NVDA | NVIDIA Corporation | 16.7M | $2.9B | -266K | 12.3% |
| $AAPL | Apple Inc | 9.26M | $2.35B | +980K | 9.9% |
| $GOOGL | Alphabet Inc | 6.64M | $1.91B | +617K | 8.1% |
| $MSFT | Microsoft Corporation | 4.49M | $1.66B | -1.85M | 7.0% |
| $AVGO | Broadcom Inc | 5.11M | $1.58B | +662K | 6.7% |
| $AMZN | Amazon.com Inc | 5.41M | $1.13B | -2.66M | 4.8% |
| $META | Meta Platforms Inc | 1.74M | $995M | -95.8K | 4.2% |
| $LLY | Eli Lilly and Company | 758K | $697M | +358 | 2.9% |
| $GE | GE Aerospace | 2.39M | $677M | +1.1M | 2.9% |
| $NFLX | Netflix Inc | 6.27M | $603M | +619K | 2.6% |
…and 41 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.
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