AlphaYou
Soroban Capital Partners LP
Eric Mandelblatt
Last 4 years copying the filings
$100 would be $192
+92.4% across 16 filings, buying each one the day it became public. Best quarter +12.7%, worst -6.1%.
All time
+337% since Aug 2013
Fund size $48B today
Aug 2022 to Aug 2026, at least 95% of the book priced each quarter. Not audited fund performance. What this covers
Each quarter is priced from the date its SEC filing became public, not the quarter it describes, and weighted by position size. A 13F shows long US stock holdings only, so shorts, cash, options, and anything bought and sold between two filings are not in this line.
Added to Mastercard Incorporated and exited Amazon Com in Q2 2026.
$47.8B in this filing25 positionstop 10 = 90%
Holdings are from Jun 30, 2026, not today. Filed Aug 14, 2026. Next filing due ~Nov 14, 2026 - a fund that has since had a bad quarter will not show it here until then.
70% of this filing is options, not stock - a leveraged bet that can swing hard in weeks. This page can only show what the last filing disclosed, so a big move (good or bad) since Jun 30, 2026 will not show up here until the next filing.
Spot holdings23 positions - $14.2B
- 1
AMZNAmazon Com Inc11.97%
$1.7B - 7.1M shares-1.3M
Options positions2 positions (0 puts, 2 calls) - $33.6B. Priced off the underlying stock - 13F never discloses strike or premium.
- 1
MSFT callsMicrosoft Corp66.52%
$22.4B - 60.0M shares- - 2
META callsMeta Platforms Inc33.48%
$11.3B - 20.0M shares-
22 more on a paid plan
Free shows three. Paid plans unlock the full portfolio, every quarter, and what changed.
Unlock all 22 holdingsWhat is missing
This filing does not include cash, short positions, private investments, bonds, or many overseas holdings.