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The agony/ecstasy of concentrated stocks
Extreme winners are extremely rare
Sep 16
•
Brent Sullivan
1
TIPS taxation: the other phantom menace
Taxation without realization
Sep 14
•
Brent Sullivan
and
Elie Rozner
4
1
Taxes mess up the endowment model
Institutional managers are always surprised by the complexity of private wealth
Sep 12
•
Brent Sullivan
5
4
Future Proof: Gen AI is the biggest thing since blockchain
WealthTech enters stache-mode
Sep 10
•
Brent Sullivan
3
2
Managing short positions is "not a trivial exercise"
Why did so many 130/30 strategies fail during the global financial crisis?
Sep 7
•
Brent Sullivan
12
"ploughing several billion dollars into [ARKK] even for a few days is pretty ballsy"
It wasn't a heartbeat trade
Sep 4
•
Brent Sullivan
5
Tax-aware long/short doesn't lockup easily. Why?
Unlimited downside risk on the shorts is the key to understanding
Sep 2
•
Brent Sullivan
3
August 2025
The (taxable wealth) times they are a-changin'
8 product trends re-shaping taxable wealth
Aug 31
•
Brent Sullivan
9
2
Give it away, give it away, give it away now (literally)
Many OBBB giving limitations take effect 2026
Aug 29
•
Brent Sullivan
Tax-aware long/short reference papers going all the way back to Black-Scholes 1973
Updated regularly
Aug 26
•
Brent Sullivan
5
I built a tax-aware long/short simulator/dashboard
A simulator anyone can use to kick the tires on tax-aware long/short... with caution
Aug 24
•
Brent Sullivan
11
Surgeons use tax-aware long/short to offset royalty income
Royalties could receive long-term capital gains treatment
Aug 21
•
Brent Sullivan
3
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