Park West Asset Management LLC
SEC Form 13F institutional filer · CIK 0001386928
13F-HR · 10 reported holdings · 2026-03-31
Reported long-US-equity value
$0.37B
Top-10 concentration
100.0%
Park West Asset Management LLC — $366M AUM allocation strategy
Park West Asset Management LLC files SEC Form 13F and reports $366M of long US equity value across 10 reported holdings for 2026-03-31.
Its largest sector bet is Information Technology 36.4%, followed by Communication Services 22.4% and Consumer Discretionary 21.1%.
The top 10 holdings account for 100% 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.
Park West Asset Management LLC — latest SEC 13F insights
Reported long-US-equity value (13F AUM)
$366M
total across 10 reported holdings · 2026-03-31 · excludes shorts, cash, non-US
Top-10 concentration
100% of value
higher = narrower conviction; lower = spread / hedging
Biggest adds (shares)
+$BDX +90K sh · +$8.99M+$AMZN +70.1K sh · +$7.82M+$NVDA +65K sh · +$10.5M
Biggest trims (shares)
−$GOOG −67K sh · −$28.2M−$CRH −40K sh · −$8.14M−$WDC −36.5K sh · +$1.08M
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 & Services22.4%—
- Broadline Retail21.1%—
- Electronic Manufacturing Services17.7%—
- Health Care Equipment9.9%—
- Application Software6.9%—
- Semiconductors6.2%—
- Technology Hardware, Storage & Peripherals5.5%—
- Construction Materials4.6%—
- Other holdings5.7%—
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 |
|---|---|---|---|---|---|
| $GOOG | Alphabet Inc. Class C Capital Stock | 285K | $82M | -67K | 22.4% |
| $AMZN | Amazon.com Inc | 371K | $77.3M | +70.1K | 21.1% |
| $FLEX | Flex Ltd | 991K | $64.9M | +9.5K | 17.7% |
| $BDX | Becton Dickinson and Company | 230K | $36.2M | +90K | 9.9% |
| $SNPS | Synopsys Inc | 63.9K | $25.3M | +17K | 6.9% |
| $NVDA | NVIDIA Corporation | 130K | $22.7M | +65K | 6.2% |
| $WDC | Western Digital Corporation | 75K | $20.3M | -36.5K | 5.5% |
| $CRH | CRH PLC | 160K | $16.8M | -40K | 4.6% |
| $CVS | CVS Health Corporation | 177K | $12.7M | +29.5K | 3.5% |
| $CRL | Charles River Laboratories International Inc | 44.8K | $7.73M | — | 2.1% |
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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