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 | |
|---|---|---|---|---|---|---|
1876
Exagen
XGN
$185M
| $2.62M | ﹤0.01% |
237,979
+174,979
| +278% | +$1.55M |
|
1877
Kforce
KFRC
$1.03B
| $2.6M | ﹤0.01% |
86,729
+41,805
| +93% | +$1.48M |
|
1878
Benchmark Electronics
BHE
$2.57B
| $2.6M | ﹤0.01% |
+67,357
| New | +$2.66M |
|
1879
Hain Celestial
HAIN
$76.4M
| $2.6M | ﹤0.01% |
1,643,040
-72,609
| -4% | -$124K |
|
1880
Kodak
KODK
$925M
| $2.58M | ﹤0.01% |
403,162
+268,603
| +200% | +$1.69M |
|
|
TDAY
1881
USA Today Co
TDAY
$938M
| $2.58M | ﹤0.01% |
625,068
+328,916
| +111% | +$1.32M |
|
|
AGNT
1882
AGNT Inc
AGNT
$755M
| $2.58M | ﹤0.01% |
241,774
+23,497
| +11% | +$249K |
|
1883
CALL
AbbVie
ABBV
$471B
| $2.57M | ﹤0.01% |
+11,100
| New | +$2.26M |
|
1884
CALL
Intel
INTC
$470B
| $2.57M | ﹤0.01% |
+76,500
| New | +$1.85M |
|
1885
Capricor Therapeutics
CAPR
$447M
| $2.57M | ﹤0.01% |
355,796
+199,959
| +128% | +$1.47M |
|
1886
RadNet
RDNT
$5.98B
| $2.56M | ﹤0.01% |
33,655
-12,029
| -26% | -$781K |
|
1887
Karat Packaging
KRT
$965M
| $2.56M | ﹤0.01% |
101,652
+23,489
| +30% | +$618K |
|
1888
NewtekOne
NEWT
$353M
| $2.56M | ﹤0.01% |
223,622
+115,374
| +107% | +$1.37M |
|
1889
EyePoint Inc
EYPT
$442M
| $2.56M | ﹤0.01% |
179,436
-197,340
| -52% | -$2.27M |
|
1890
Kroger
KR
$35.7B
| $2.55M | ﹤0.01% |
37,789
-1,255,693
| -97% | -$87.4M |
|
|
FCRS.U
1891
FutureCrest Acquisition Corp Units
FCRS.U
| $2.55M | ﹤0.01% |
+240,309
| New | +$2.52M |
|
|
1892
PUT
AbbVie
ABBV
$471B
| $2.55M | ﹤0.01% |
+11,000
| New | +$2.24M |
|
1893
Ginkgo Bioworks
DNA
$498M
| $2.55M | ﹤0.01% |
174,663
-28,944
| -14% | -$346K |
|
|
TSSI
1894
TSS Inc
TSSI
$244M
| $2.54M | ﹤0.01% |
140,180
-61,689
| -31% | -$1.23M |
|
1895
Geron
GERN
$989M
| $2.54M | ﹤0.01% |
+1,852,018
| New | +$2.47M |
|
1896
Fidelity MSCI Consumer Discretionary Index ETF
FDIS
$1.71B
| $2.53M | ﹤0.01% |
+24,600
| New | +$2.43M |
|
1897
Janux Therapeutics
JANX
$1.15B
| $2.53M | ﹤0.01% |
103,476
-906
| -0.9% | -$22.1K |
|
1898
Primoris Services
PRIM
$4.08B
| $2.52M | ﹤0.01% |
18,385
+57
| +0.3% | +$6.12K |
|
|
TBRG
1899
DELISTED
TruBridge
TBRG
| $2.52M | ﹤0.01% |
124,856
-10,104
| -7% | -$212K |
|
1900
CALL
Berkshire Hathaway Class B
BRK.B
$1.08T
| $2.51M | ﹤0.01% |
+5,000
| New | +$2.42M |
|
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.