Eric Mandelblatt: Stock Portfolio, Performance and Latest Trades
Soroban Capital Partners
13F portfolio value
$47.8B
25 holdings at Q2 2026
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Eric Mandelblatt's portfolio
As of Q2 2026, filed August 14, 2026 · prices as of October 8, 2026
| Company | Share of portfolio | Average buy price | Return | Current price | Last quarter |
|---|---|---|---|---|---|
Amazon.com Inc.AMZN | 12.0% | $214.37 | +18.5% | $254.06 | Reduced −15% |
| 9.12% | $501.86 | +14.5% | $574.76 | Added +1.9% | |
| 8.45% | $1,383.31 | −21.3% | $1,089.30 | Added +4.9% | |
Microsoft Corp.MSFT | 8.29% | $276.07 | +89.3% | $522.61 | Reduced −12% |
| 7.97% | $296.02 | +26.7% | $375.10 | Added +11% | |
| 7.34% | $235.80 | +94.2% | $457.99 | Added +13% | |
| 5.84% | $649.57 | +11.0% | $720.89 | Added +4.8% | |
| 5.56% | $390.80 | −21.0% | $308.65 | Added +6.5% | |
Alphabet Inc.GOOG | 5.32% | $58.17 | +493% | $344.86 | No change |
S&P Global Inc.SPGI | 4.98% | $471.48 | −14.6% | $402.73 | Added +2.5% |
Equifax Inc.EFX | 4.95% | $201.87 | −27.9% | $145.54 | Added +5.4% |
| 4.07% | $174.50 | +24.2% | $216.73 | Added +1.3% | |
| 2.93% | $91.73 | +6.8% | $97.98 | Added +0.5% | |
| 2.07% | $124.97 | +1.7% | $127.10 | Reduced −5.7% | |
| 1.89% | $94.85 | +8.0% | $102.49 | Added +35% | |
| 1.71% | $221.52 | +4.3% | $231.07 | No change | |
Alphabet Inc.GOOGL | 1.51% | $159.85 | +118% | $348.29 | Added +13% |
| 1.51% | $32.99 | +22.9% | $40.53 | No change | |
| 1.14% | $89.16 | −3.4% | $86.15 | Reduced −29% | |
| 1.00% | $76.06 | +33.9% | $101.84 | No change | |
| 0.94% | $96.28 | +27.0% | $122.32 | Reduced −14% | |
| 0.87% | $102.48 | +1.1% | $103.61 | Reduced −12% | |
| 0.57% | $70.90 | −7.8% | $65.34 | No change |
Eric Mandelblatt's options
As of Q2 2026. Value = shares the options cover.
| Company | Type | Value of shares covered | Last quarter |
|---|---|---|---|
Microsoft Corp.MSFT | Call · bet on a rise | $22.4B | No change |
| Call · bet on a rise | $11.3B | No change | |
Amazon.com Inc.AMZN | Call · bet on a rise | — | Sold out |
Eric Mandelblatt's buys and sells
| Company | Action | Shares change | Value now |
|---|---|---|---|
| Reduced −51% | −3,593,230 | $849.5M | |
| Sold out | −8,795,582 | — | |
| Added +2652% | +3,380,355 | $259.4M | |
Eqt Corp.EQT | Sold out | −5,556,989 | — |
| Added +115% | +2,263,385 | $364M | |
| Sold out | −10,024,149 | — | |
Microsoft Corp.MSFT | Reduced −21% | −720,123 | $1.2B |
| New | +3,384,279 | $130.7M | |
| Sold out | −871,479 | — | |
| Reduced −29% | −589,050 | $366M | |
Exelon Corp.EXC | Added +24% | +1,879,506 | $370M |
| Sold out | −1,150,106 | — | |
CSX Corp.CSX | Reduced −12% | −3,764,415 | $1B |
Udr Inc.UDR | Sold out | −1,248,995 | — |
| Sold out | −464,575 | — | |
| Reduced −82% | −589,313 | $8.1M | |
Avalonbay Communities Inc.053484101 | Reduced −69% | −168,631 | $13.9M |
| Added +106% | +453,500 | $53.2M | |
| Reduced −55% | −184,658 | $19.8M | |
| Added +71% | +788,170 | $52.7M | |
| New | +154,685 | $16.3M | |
| Reduced −7.4% | −72,890 | $255M |
Eric Mandelblatt's portfolio by sector
Share of the stock portfolio at Q2 2026.
| Sector | Share |
|---|---|
| Industrials | 22% |
| Technology | 17% |
| Financials | 17% |
| Utilities | 13% |
| Communication Services | 13% |
| Consumer Discretionary | 12% |
| Consumer Staples | 5.6% |
Portfolio performance: Eric Mandelblatt vs. benchmarks
Your result if you had bought each reported portfolio on the day it was made public and held it until the next report, against the S&P 500 and Nasdaq-100.
- You, copying after each 13F filing – estimated value
- S&P 500
- Nasdaq-100
| Total return | Per year | |
|---|---|---|
| You, copying after each 13F filing – estimated value | +75.3% | +11.9% |
| S&P 500 | +89.0% | +13.6% |
| Nasdaq-100 | +113.3% | +16.4% |
Prices were available for 83% of the portfolio value on average; the rest is left out of the return.
Eric Mandelblatt's most traded stocks
Quarters with a buy or a sell, all reports since Q2 2013.
| Company | Quarters bought | Quarters sold |
|---|---|---|
Alphabet Inc.GOOGL | 16 | 20 |
| 13 | 19 | |
Microsoft Corp.MSFT | 8 | 16 |
| 11 | 13 | |
| 13 | 10 | |
CSX Corp.CSX | 10 | 12 |
| 10 | 10 | |
| 12 | 7 | |
Amazon.com Inc.AMZN | 9 | 8 |
| 12 | 5 | |
| 7 | 10 | |
Autodesk Inc.ADSK | 6 | 11 |
| 10 | 6 | |
| 9 | 6 | |
Comcast Corp-Class ACMCSA | 6 | 7 |