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 | |
|---|---|---|---|---|---|---|
1901
Colliers International
CIGI
$5.41B
| $2.51M | ﹤0.01% |
+16,074
| New | +$2.47M |
|
1902
Teekay
TK
$1.17B
| $2.51M | ﹤0.01% |
306,862
-33,520
| -10% | -$267K |
|
1903
Invesco S&P SmallCap Low Volatility ETF
XSLV
$246M
| $2.51M | ﹤0.01% |
54,200
-7,100
| -12% | -$330K |
|
|
CTO
1904
CTO Realty Growth
CTO
$821M
| $2.5M | ﹤0.01% |
153,643
-92,005
| -37% | -$1.55M |
|
1905
Equity Bancshares
EQBK
$1.02B
| $2.5M | ﹤0.01% |
61,500
+21,661
| +54% | +$877K |
|
|
ETW
1906
Eaton Vance Tax-Managed Global Buy-Write Opportunities Fund
ETW
$1.07B
| $2.5M | ﹤0.01% |
276,464
| – | – |
|
1907
CNB Financial Corp
CCNE
$1B
| $2.5M | ﹤0.01% |
103,386
+6,132
| +6% | +$151K |
|
1908
Navitas Semiconductor
NVTS
$3.3B
| $2.5M | ﹤0.01% |
345,734
+324,284
| +1,512% | +$2.17M |
|
1909
Unity Bancorp
UNTY
$590M
| $2.49M | ﹤0.01% |
50,920
+27,340
| +116% | +$1.39M |
|
1910
Phinia Inc
PHIN
$2.61B
| $2.48M | ﹤0.01% |
+43,200
| New | +$2.33M |
|
1911
Dana Inc
DAN
$3.26B
| $2.48M | ﹤0.01% |
123,869
+102,224
| +472% | +$1.9M |
|
1912
Prime Medicine
PRME
$662M
| $2.48M | ﹤0.01% |
447,667
+189,244
| +73% | +$769K |
|
|
CBL
1913
CBL Properties
CBL
$1.73B
| $2.48M | ﹤0.01% |
80,958
-32,220
| -28% | -$939K |
|
1914
SmartFinancial
SMBK
$871M
| $2.47M | ﹤0.01% |
69,261
-255
| -0.4% | -$9.12K |
|
1915
NET Power
NPWR
$171M
| $2.47M | ﹤0.01% |
821,793
+220,831
| +37% | +$589K |
|
1916
BW LPG
BWLP
$3.81B
| $2.46M | ﹤0.01% |
172,526
-75,955
| -31% | -$1.1M |
|
1917
PUT
Walmart Inc
WMT
$842B
| $2.46M | ﹤0.01% |
+23,900
| New | +$2.38M |
|
1918
Wintrust Financial
WTFC
$10.2B
| $2.46M | ﹤0.01% |
+18,581
| New | +$2.45M |
|
|
CHCT
1919
Community Healthcare Trust
CHCT
$426M
| $2.46M | ﹤0.01% |
160,839
-102,081
| -39% | -$1.6M |
|
1920
Cricut
CRCT
$1.22B
| $2.46M | ﹤0.01% |
391,220
+159,166
| +69% | +$932K |
|
1921
Caleres
CAL
$441M
| $2.46M | ﹤0.01% |
188,485
-72,789
| -28% | -$1.05M |
|
|
STEW
1922
SRH Total Return Fund
STEW
$1.78B
| $2.45M | ﹤0.01% |
135,174
| – | – |
|
1923
ACI Worldwide
ACIW
$5.29B
| $2.45M | ﹤0.01% |
46,378
-49,980
| -52% | -$2.36M |
|
|
BXMX
1924
DELISTED
Nuveen S&P 500 Buy-Write Income Fund
BXMX
| $2.45M | ﹤0.01% |
169,380
| – | – |
|
1925
Fossil Group
FOSL
$321M
| $2.44M | ﹤0.01% |
948,114
+251,214
| +36% | +$593K |
|
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.