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 | |
|---|---|---|---|---|---|---|
|
AUGO
801
Aura Minerals Inc
AUGO
$7.33B
| $12M | 0.02% |
+321,507
| New | +$9.23M |
|
802
Recursion Pharmaceuticals
RXRX
$1.74B
| $12M | 0.02% |
2,450,805
+1,282,992
| +110% | +$6.74M |
|
803
American Financial Group
AFG
$12B
| $12M | 0.02% |
82,048
-23,623
| -22% | -$3.13M |
|
804
Constellation Brands
STZ
$23.5B
| $11.9M | 0.02% |
88,725
+66,322
| +296% | +$10.5M |
|
805
Fastly Inc
FSLY
$3.65B
| $11.9M | 0.02% |
1,396,195
-948,652
| -40% | -$7.02M |
|
806
Saia
SAIA
$9.33B
| $11.9M | 0.02% |
39,810
-284,811
| -88% | -$85.9M |
|
807
OFG Bancorp
OFG
$2.21B
| $11.9M | 0.02% |
273,729
+58,094
| +27% | +$2.55M |
|
808
Sterling Infrastructure
STRL
$15.2B
| $11.9M | 0.02% |
34,952
-35,039
| -50% | -$9.95M |
|
809
Trex
TREX
$4.82B
| $11.9M | 0.02% |
229,374
+69,339
| +43% | +$4.22M |
|
810
Turkcell
TKC
$4.72B
| $11.8M | 0.02% |
1,966,828
+1,000,311
| +103% | +$5.85M |
|
811
National Beverage
FIZZ
$3.1B
| $11.8M | 0.02% |
320,687
+111,978
| +54% | +$4.85M |
|
|
SNV
812
DELISTED
Synovus
SNV
| $11.8M | 0.02% |
241,188
+34,175
| +17% | +$1.75M |
|
813
First Interstate BancSystem
FIBK
$3.55B
| $11.8M | 0.02% |
371,285
+115,799
| +45% | +$3.6M |
|
814
National Bank Holdings
NBHC
$1.86B
| $11.8M | 0.02% |
304,987
+181,137
| +146% | +$7.02M |
|
|
OKLO
815
Oklo
OKLO
$7.38B
| $11.8M | 0.02% |
105,436
-36,725
| -26% | -$2.88M |
|
816
Legend Biotech
LEGN
$4.07B
| $11.7M | 0.02% |
359,935
+90,234
| +33% | +$3.33M |
|
817
Omnicom Group
OMC
$24.4B
| $11.7M | 0.02% |
143,910
+26,748
| +23% | +$2.02M |
|
818
Oshkosh
OSK
$9.65B
| $11.7M | 0.02% |
90,206
+67,720
| +301% | +$8.98M |
|
|
SFD
819
Smithfield Foods
SFD
$8.78B
| $11.7M | 0.02% |
496,662
+401,757
| +423% | +$9.82M |
|
820
PUT
Blackstone Mortgage Trust
BXMT
$2.38B
| $11.6M | 0.02% |
632,100
+6,000
| +1% | +$116K |
|
|
LADR
821
Ladder Capital
LADR
$1.27B
| $11.6M | 0.02% |
1,066,564
+265,965
| +33% | +$2.99M |
|
|
AEVA
822
Aeva Technologies
AEVA
$1.15B
| $11.6M | 0.02% |
802,332
+264,520
| +49% | +$5.01M |
|
823
Canadian Solar
CSIQ
$972M
| $11.5M | 0.02% |
+885,242
| New | +$10.6M |
|
824
NMI Holdings
NMIH
$3.42B
| $11.5M | 0.02% |
300,467
-71,050
| -19% | -$2.78M |
|
825
Philip Morris
PM
$298B
| $11.5M | 0.02% |
71,002
-360,977
| -84% | -$60.7M |
|
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.