OSSIAM
SEC Form 13F institutional filer · CIK 0001767471
13F-HR · 232 reported holdings · 2026-03-31
French asset manager.
Reported long-US-equity value
$5.00B
Top-10 concentration
65.2%
OSSIAM — $5B AUM allocation strategy
OSSIAM files SEC Form 13F and reports $5B of long US equity value across 232 reported holdings for 2026-03-31.
Its largest sector bet is Information Technology 39.8%, followed by Consumer Discretionary 12.9% and Financials 9.4%.
The top 10 holdings account for 65% 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.
OSSIAM — latest SEC 13F insights
Reported long-US-equity value (13F AUM)
$5B
total across 232 reported holdings · 2026-03-31 · excludes shorts, cash, non-US
Top-10 concentration
65% of value
higher = narrower conviction; lower = spread / hedging
Biggest adds (shares)
+$AMD +1.13M sh · +$199M+$TFC +699K sh · +$32M+$AVGO +631K sh · +$189M
Biggest trims (shares)
−$PYPL −1.12M sh · −$65.8M−$NVDA −319K sh · −$72.5M−$BRK.B −250K sh · −$142M
Exited to nil (held last quarter, gone now)
$ARE ($1.07M last qtr)$AEP ($925K last qtr)$DOC ($819K last qtr)$INTC ($108K last qtr)$TPL ($84.4K 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)
- Semiconductors26.2%—
- Automobile Manufacturers7.8%—
- Multi-Sector Holdings6.9%—
- Technology Hardware, Storage & Peripherals5.3%—
- Application Software4.9%—
- Broadline Retail4.3%—
- Investment Banking & Brokerage2.5%—
- Systems Software2.2%—
- Other holdings39.9%—
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 |
|---|---|---|---|---|---|
| $AMD | Advanced Micro Devices Inc | 3.97M | $808M | +1.13M | 16.2% |
| $TSLA | Tesla Inc | 1.04M | $386M | +1.02K | 7.7% |
| $BRK.B | Berkshire Hathaway Inc.-Class B | 718K | $344M | -250K | 6.9% |
| $AAPL | Apple Inc | 1.04M | $265M | +170K | 5.3% |
| $AVGO | Broadcom Inc | 806K | $250M | +631K | 5.0% |
| $AMZN | Amazon.com Inc | 1.02M | $213M | -243K | 4.3% |
| $NVDA | NVIDIA Corporation | 1.08M | $188M | -319K | 3.8% |
| $GS | Goldman Sachs Group Inc | 149K | $126M | +112K | 2.5% |
| $PLTR | Palantir Technologies Inc | 639K | $93.4M | +91.1K | 1.9% |
…and 223 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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