Mitsubishi UFJ Asset Management Co., Ltd.
SEC Form 13F institutional filer · CIK 0001466546
13F-HR · 496 reported holdings · 2026-03-31
Asset management firm, subsidiary of Mitsubishi UFJ Financial Group.
Reported long-US-equity value
$144.21B
Top-10 concentration
34.4%
Mitsubishi UFJ Asset Management Co., Ltd. — $144B AUM allocation strategy
Mitsubishi UFJ Asset Management Co., Ltd. files SEC Form 13F and reports $144B of long US equity value across 496 reported holdings for 2026-03-31.
Its largest sector bet is Information Technology 20.1%, followed by Communication Services 8.8% and Consumer Discretionary 5.4%.
The top 10 holdings account for 34% 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.
Mitsubishi UFJ Asset Management Co., Ltd. — latest SEC 13F insights
Reported long-US-equity value (13F AUM)
$144B
total across 496 reported holdings · 2026-03-31 · excludes shorts, cash, non-US
Top-10 concentration
34% of value
higher = narrower conviction; lower = spread / hedging
Biggest adds (shares)
+$NFLX +9.33M sh · +$945M+$AMZN +4.43M sh · +$533M+$NVDA +3.8M sh · −$97.1M
Biggest trims (shares)
−$AMCR −4.25M sh · −$404K−$ABT −2.08M sh · −$365M−$ADP −1.91M sh · −$533M
Added from nil (new positions)
None this quarter
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)
- Semiconductors9.2%—
- Interactive Media & Services7.5%—
- Technology Hardware, Storage & Peripherals6.0%—
- Systems Software4.9%—
- Broadline Retail3.7%—
- Pharmaceuticals2.2%—
- Automobile Manufacturers1.7%—
- Consumer Staples Merchandise Retail1.7%—
- Other holdings63.1%—
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 | 56.4M | $9.84B | +3.8M | 6.8% |
| $AAPL | Apple Inc | 34M | $8.62B | +2.09M | 6.0% |
| $MSFT | Microsoft Corporation | 19.2M | $7.09B | +478K | 4.9% |
| $AMZN | Amazon.com Inc | 25.8M | $5.38B | +4.43M | 3.7% |
| $GOOG | Alphabet Inc. Class C Capital Stock | 16.1M | $4.63B | +263K | 3.2% |
| $AVGO | Broadcom Inc | 11M | $3.41B | +773K | 2.4% |
| $GOOGL | Alphabet Inc | 11.4M | $3.27B | +1.02M | 2.3% |
| $META | Meta Platforms Inc | 5.11M | $2.92B | +361K | 2.0% |
| $TSLA | Tesla Inc | 6.62M | $2.46B | +468K | 1.7% |
| $V | Visa Inc | 6.63M | $2B | +190K | 1.4% |
…and 486 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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