John Overdeck Two Sigma Investments
John Overdeck is a co-founder of Two Sigma Investments, one of the world’s leading quantitative and technology-driven investment firms. Two Sigma applies data science, machine learning, and large-scale computing to markets across asset classes. Overdeck’s firm is a central reference point in discussions of modern systematic investing.
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
State Street Financial Select Sector SPDR ETF
XLF
|
+$474M |
| 2 |
State Street Consumer Staples Select Sector SPDR ETF
XLP
|
+$357M |
| 3 |
Accenture
ACN
|
+$246M |
| 4 |
Advanced Micro Devices
AMD
|
+$235M |
| 5 |
State Street SPDR Dow Jones Industrial Average ETF Trust
DIA
|
+$231M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Invesco QQQ Trust
QQQ
|
+$381M |
| 2 |
State Street Technology Select Sector SPDR ETF
XLK
|
+$375M |
| 3 |
iShares Expanded Tech-Software Sector ETF
IGV
|
+$348M |
| 4 |
Thermo Fisher Scientific
TMO
|
+$292M |
| 5 |
Snowflake
SNOW
|
+$258M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 16.18% |
| 2 | Financials | 15.54% |
| 3 | Industrials | 10.5% |
| 4 | Healthcare | 9.8% |
| 5 | Consumer Discretionary | 8.1% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
2126
Blackstone Mortgage Trust
BXMT
$2.36B
| $1.8M | ﹤0.01% |
97,880
-18,211
| -16% | -$351K |
|
2127
Arcutis Biotherapeutics
ARQT
$3.12B
| $1.8M | ﹤0.01% |
95,429
+23,748
| +33% | +$375K |
|
2128
Village Super Market
VLGEA
$653M
| $1.8M | ﹤0.01% |
48,142
+13,747
| +40% | +$505K |
|
|
SEMR
2129
DELISTED
Semrush
SEMR
| $1.79M | ﹤0.01% |
253,356
+144,522
| +133% | +$1.18M |
|
2130
Compass
COMP
$9.06B
| $1.79M | ﹤0.01% |
223,172
-572,591
| -72% | -$4.64M |
|
2131
Affiliated Managers Group
AMG
$9.45B
| $1.79M | ﹤0.01% |
+7,495
| New | +$1.65M |
|
2132
America's Car Mart
CRMT
$20.4M
| $1.78M | ﹤0.01% |
61,103
+40,993
| +204% | +$1.85M |
|
2133
Perspective Therapeutics
CATX
$376M
| $1.78M | ﹤0.01% |
519,668
-82,137
| -14% | -$299K |
|
2134
American Water Works
AWK
$27.3B
| $1.78M | ﹤0.01% |
12,757
+1,300
| +11% | +$184K |
|
|
NSA
2135
DELISTED
National Storage Affiliates Trust
NSA
| $1.77M | ﹤0.01% |
58,693
-94,963
| -62% | -$2.96M |
|
2136
CSX Corp
CSX
$95.4B
| $1.77M | ﹤0.01% |
49,861
+15,881
| +47% | +$542K |
|
|
CGC
2137
Canopy Growth
CGC
$481M
| $1.77M | ﹤0.01% |
+1,210,014
| New | +$1.57M |
|
2138
CALL
Adobe
ADBE
$109B
| $1.76M | ﹤0.01% |
+5,000
| New | +$1.79M |
|
2139
PUT
TJX Companies
TJX
$154B
| $1.76M | ﹤0.01% |
+12,200
| New | +$1.62M |
|
2140
Velocity Financial
VEL
$716M
| $1.76M | ﹤0.01% |
96,970
+69,689
| +255% | +$1.27M |
|
2141
DXP Enterprises
DXPE
$2.92B
| $1.76M | ﹤0.01% |
+14,763
| New | +$1.65M |
|
|
NB
2142
NioCorp Developments
NB
$651M
| $1.75M | ﹤0.01% |
262,599
+228,528
| +671% | +$964K |
|
2143
PUT
Procter & Gamble
PG
$338B
| $1.75M | ﹤0.01% |
+11,400
| New | +$1.78M |
|
2144
Arrow Financial
AROW
$707M
| $1.74M | ﹤0.01% |
61,486
+13,919
| +29% | +$391K |
|
2145
CVS Health
CVS
$119B
| $1.74M | ﹤0.01% |
23,072
+380
| +2% | +$26K |
|
|
SEPN
2146
Septerna Inc
SEPN
$1.93B
| $1.74M | ﹤0.01% |
92,334
+14,692
| +19% | +$193K |
|
2147
NBT Bancorp
NBTB
$2.67B
| $1.73M | ﹤0.01% |
41,489
-1,807
| -4% | -$77.5K |
|
2148
BlackRock Health Sciences Trust
BME
$597M
| $1.73M | ﹤0.01% |
46,481
+11,371
| +32% | +$413K |
|
2149
First Trust Dorsey Wright Momentum & Low Volatility ETF
DVOL
$72.8M
| $1.73M | ﹤0.01% |
48,700
+26,900
| +123% | +$937K |
|
2150
CALL
Coca-Cola
KO
$394B
| $1.72M | ﹤0.01% |
+26,000
| New | +$1.79M |
|
Similar funds
John Overdeck's Q3 2025 Portfolio in Review
As of Q3 2025, John Overdeck held 4,027 positions worth $67.2B, up 19% from $56.5B the previous quarter. Its ten largest holdings account for 6.2% of the portfolio.
John Overdeck deployed $4.46B of net new capital in Q3 2025, opening 877 new positions and adding to 1,461 existing holdings. Its largest new stake was Berkshire Hathaway Class B: 379,096 shares worth $191M.
By sector, the portfolio is most concentrated in Technology at 16% of assets, down from 17% a quarter earlier, followed by Financials and Industrials.
On the sell side, the largest reduction was Invesco QQQ Trust, an estimated $381M trimmed.
- John Overdeck's largest Q3 2025 buy was Berkshire Hathaway Class B: 379,096 shares worth $191M.
- John Overdeck added most to State Street Financial Select Sector SPDR ETF in Q3 2025, an estimated $474M increase.
- John Overdeck's biggest Q3 2025 reduction was Invesco QQQ Trust, cutting an estimated $381M.
- John Overdeck fully exited NextEra Energy, Inc. 6.926% Corporate Units in Q3 2025, selling an estimated $115M.
- John Overdeck's ten largest holdings make up 6.2% of its $67.2B portfolio in Q3 2025.
- John Overdeck opened 877 new positions and closed 399 in Q3 2025.
- John Overdeck's portfolio value rose 19% quarter-over-quarter to $67.2B.
Based on Two Sigma Investments's 13F filing for Q3 2025, filed 14 Nov 2025.