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 | |
|---|---|---|---|---|---|---|
1926
Teva Pharmaceuticals
TEVA
$44.1B
| $2.43M | ﹤0.01% |
120,397
-199,497
| -62% | -$3.5M |
|
1927
Stagwell
STGW
$2.13B
| $2.43M | ﹤0.01% |
+431,824
| New | +$2.29M |
|
1928
Blue Ridge Bankshares
BRBS
$351M
| $2.42M | ﹤0.01% |
572,146
+478,876
| +513% | +$1.86M |
|
1929
RCI Hospitality Holdings
RICK
$232M
| $2.42M | ﹤0.01% |
79,320
+73,943
| +1,375% | +$2.65M |
|
1930
Marqeta
MQ
$1.7B
| $2.42M | ﹤0.01% |
114,422
-75,785
| -40% | -$1.8M |
|
1931
Brady Corp
BRC
$4.4B
| $2.41M | ﹤0.01% |
30,885
-27,626
| -47% | -$2.04M |
|
|
SEM
1932
DELISTED
Select Medical
SEM
| $2.4M | ﹤0.01% |
+187,186
| New | +$2.49M |
|
1933
Hycroft Mining Holding Corp
HYMC
$2.39B
| $2.4M | ﹤0.01% |
387,375
+297,007
| +329% | +$1.32M |
|
1934
DHT Holdings
DHT
$3.11B
| $2.4M | ﹤0.01% |
200,779
-77,316
| -28% | -$896K |
|
1935
CALL
Netflix
NFLX
$342B
| $2.4M | ﹤0.01% |
+20,000
| New | +$2.44M |
|
1936
Agios Pharmaceuticals
AGIO
$2.02B
| $2.39M | ﹤0.01% |
+59,629
| New | +$2.24M |
|
1937
Midland States Bancorp
MSBI
$677M
| $2.39M | ﹤0.01% |
139,570
+39,211
| +39% | +$705K |
|
1938
Constellation Energy
CEG
$99.1B
| $2.39M | ﹤0.01% |
7,268
+305
| +4% | +$98.4K |
|
1939
Designer Brands
DBI
$285M
| $2.39M | ﹤0.01% |
674,257
-86,071
| -11% | -$297K |
|
1940
Driven Brands
DRVN
$2.16B
| $2.38M | ﹤0.01% |
+147,900
| New | +$2.58M |
|
1941
Humacyte
HUMA
$197M
| $2.38M | ﹤0.01% |
1,366,584
-170,797
| -11% | -$335K |
|
1942
4D Molecular Therapeutics
FDMT
$872M
| $2.38M | ﹤0.01% |
273,496
-257,667
| -49% | -$1.54M |
|
1943
BlackSky Technology
BKSY
$1.04B
| $2.38M | ﹤0.01% |
117,939
-64,675
| -35% | -$1.26M |
|
1944
First Business Financial Services
FBIZ
$583M
| $2.37M | ﹤0.01% |
46,207
+5,934
| +15% | +$304K |
|
|
CHPG
1945
ChampionsGate Acquisition Corp
CHPG
$105M
| $2.37M | ﹤0.01% |
235,624
| – | – |
|
1946
Acuity Brands
AYI
$10.2B
| $2.36M | ﹤0.01% |
6,863
-4,171
| -38% | -$1.33M |
|
1947
Lightspeed Commerce
LSPD
$1.38B
| $2.34M | ﹤0.01% |
202,400
+126,400
| +166% | +$1.55M |
|
1948
CytomX Therapeutics
CTMX
$736M
| $2.33M | ﹤0.01% |
729,698
+572,017
| +363% | +$1.29M |
|
1949
Liquidity Services
LQDT
$1.36B
| $2.33M | ﹤0.01% |
84,819
-13,674
| -14% | -$352K |
|
1950
Invesco AI and Next Gen Software ETF
IGPT
$1.21B
| $2.32M | ﹤0.01% |
+43,000
| New | +$2.2M |
|
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.