WS Management Lllp
WS Management Lllp reported 31 US-listed holdings worth $849.8 million in its 13F for the quarter ended 30 June 2026, filed 14 August 2026. Its largest: Micron Technology Inc. (25.0%), Berkshire Hathaway Inc. Del (11.0%) and SPDR Gold Trust (5.2%). Against the quarter before, it opened 0 positions, added to 3, trimmed 7 and sold out of 4.
The 14 largest of its 31 positions, each sized by its share of the reported holdings, coloured by the change in shares against Q1 2026.
What the fund reported holding at each quarter's end; hover a bar for the number of positions
What its reported holdings returned
Held through each quarter, the holdings it reported returned +85.4% over the 7 quarters to 30 June 2026, against +30.2% for the S&P 500.
Not the fund's own return: each 13F's holdings are kept unchanged until the next one, so trades inside a quarter, dividends, cash and fees are left out. A rough guide to how its picks have done over time.
What it did on the quarter
Its positions against its 13F for the quarter to 31 March 2026; a change under 0.1% of a position counts as held
Added to 3
- SPDR Ser Trust XBI+50,000 shares · +33%
- Berkshire Hathaway Inc. Class B BRKB+10,000 shares · +26%
- Celsius Holdings, Inc. CELH+50,000 shares · +33%
Trimmed 7
- Micron Technology Inc. MU-175,975 shares · -49%
- iShares Trust TLT-212,300 shares · -35%
- Vaneck ETF Trust GDX-159,063 shares · -27%
- ConocoPhillips COP-104,237 shares · -57%
- Carmax Inc. KMX-75,455 shares · -50%
- Intuit Inc. INTU-15,000 shares · -46%
- Southwest Airlines Co. LUV-20,000 shares · -4%
Sold out of 4
- Ast Spacemobile Inc. ASTS$4.1 million last quarter
- Robinhood Markets, Inc. HOOD$2.3 million last quarter
- Tempus Ai Inc. TEM$1.4 million last quarter
- Invesco QQQ Trust QQQ$1.3 million last quarter
What it holds
| Company | Shares | Value | Of its book | Change in shares |
|---|---|---|---|---|
| Micron Technology Inc. MU | 184.0K | $212.4 million | 25.00% | -176.0K |
| Berkshire Hathaway Inc. Del | 125 | $93.6 million | 11.01% | no change |
| SPDR Gold Trust GLD | 120.7K | $44.5 million | 5.23% | no change |
| Amazon.com Inc. AMZN | 151.8K | $36.2 million | 4.26% | no change |
| iShares Trust TLT | 400.0K | $34.6 million | 4.07% | -212.3K |
| Alphabet Inc. GOOGL | 95.1K | $34.0 million | 4.00% | no change |
| Vaneck ETF Trust GDX | 432.3K | $32.6 million | 3.84% | -159.1K |
| Labcorp Holdings Inc. LH | 113.5K | $31.8 million | 3.74% | no change |
| SPDR Ser Trust XBI | 200.0K | $31.6 million | 3.72% | +50.0K |
| NVIDIA Corp. NVDA | 156.9K | $31.4 million | 3.70% | no change |
| Southwest Airlines Co. LUV | 526.5K | $27.1 million | 3.19% | -20.0K |
| Berkshire Hathaway Inc. Class B BRKB | 49.1K | $24.6 million | 2.89% | +10.0K |
| iShares Russell 2000 ETF IWM | 75.0K | $22.5 million | 2.65% | no change |
| Ryman Hospitality Properties, Inc. RHP | 159.2K | $20.5 million | 2.41% | no change |
| TJX Companies Inc. TJX | 122.4K | $18.6 million | 2.18% | no change |
| Crocs, Inc. CROX | 150.0K | $18.1 million | 2.13% | no change |
| Knight-Swift Transportation Holdings Inc. KNX | 206.1K | $16.1 million | 1.89% | no change |
| Lamar Advertising Co. LAMR | 101.7K | $15.9 million | 1.87% | no change |
| Walmart Inc. WMT | 123.1K | $13.9 million | 1.64% | no change |
| SharkNinja, Inc. SN | 90.0K | $13.7 million | 1.61% | no change |
| Texas Instruments Inc. TXN | 40.0K | $11.9 million | 1.40% | no change |
| Stubhub Hldgs Inc. STUB | 800.0K | $10.3 million | 1.21% | no change |
| Marathon Petroleum Corp. MPC | 37.4K | $9.6 million | 1.12% | no change |
| ConocoPhillips COP | 78.3K | $8.1 million | 0.96% | -104.2K |
| Costco Wholesale Corp. COST | 7.6K | $7.1 million | 0.83% | no change |
| GE HealthCare Technologies Inc. GEHC | 96.7K | $6.2 million | 0.73% | no change |
| Celsius Holdings, Inc. CELH | 200.0K | $5.9 million | 0.69% | +50.0K |
| Viatris Inc. VTRS | 316.2K | $5.0 million | 0.59% | no change |
| Intuit Inc. INTU | 17.7K | $4.6 million | 0.54% | -15.0K |
| Carmax Inc. KMX | 75.0K | $4.0 million | 0.47% | -75.5K |
| ASA Gold and Precious Mtls L ASA | 70.0K | $3.6 million | 0.43% | no change |
Read more
Change is shares against its 13F for the quarter before; the 4 it sold out of are in the box above.Options it reported
| Company | Option | Shares under the options | Value of those shares |
|---|---|---|---|
| Invesco QQQ Trust QQQ | Puts | 149.8K | $110.3 million |
| Berkshire Hathaway Inc. Class B BRKB | Puts | 80.0K | $40.0 million |
| Ast Spacemobile Inc. ASTS | Puts | 270.0K | $24.0 million |
| SPDR Gold Trust GLD | Puts | 60.0K | $22.1 million |
| Berkshire Hathaway Inc. Class B BRKB | Calls | 30.0K | $15.0 million |
| Amazon.com Inc. AMZN | Calls | 60.0K | $14.3 million |
| Vaneck ETF Trust SMH | Puts | 19.6K | $12.9 million |
| Micron Technology Inc. MU | Puts | 10.0K | $11.5 million |
| Paychex Inc. PAYX | Puts | 100.0K | $9.8 million |
| Tempus Ai Inc. TEM | Puts | 130.0K | $7.5 million |
| SPDR Gold Trust GLD | Calls | 20.0K | $7.4 million |
| Vaneck ETF Trust GDX | Puts | 80.0K | $6.0 million |
| Robinhood Markets, Inc. HOOD | Puts | 50.0K | $5.0 million |
| Rivian Automotive Inc. RIVN | Puts | 200.0K | $3.5 million |
| Texas Instruments Inc. TXN | Puts | 10.0K | $3.0 million |
| Symbotic Inc. SYM | Puts | 50.0K | $2.2 million |
16 option lines. A 13F lists calls and puts by the shares they cover and what those shares were worth at the quarter's end, not what the options cost; they are not counted in the holdings above.