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 |
Intuit
INTU
|
+$753M |
| 2 |
Boston Scientific
BSX
|
+$540M |
| 3 |
Dow Inc
DOW
|
+$485M |
| 4 |
Wells Fargo
WFC
|
+$457M |
| 5 |
Goldman Sachs
GS
|
+$378M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Micron Technology
MU
|
+$1.32B |
| 2 |
NVIDIA
NVDA
|
+$1.02B |
| 3 |
Alphabet (Google) Class A
GOOGL
|
+$787M |
| 4 |
SNDK
Sandisk
SNDK
|
+$744M |
| 5 |
Dell
DELL
|
+$688M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 19.71% |
| 2 | Financials | 15.22% |
| 3 | Healthcare | 11.94% |
| 4 | Industrials | 11.55% |
| 5 | Consumer Discretionary | 9.6% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
1876
iShares Core Dividend ETF
DIVB
$1.87B
| $6.15M | ﹤0.01% |
+99,900
| New | +$5.87M |
|
1877
CALL
Chevron
CVX
$403B
| $6.15M | ﹤0.01% |
37,100
+36,100
| +3,610% | +$6.72M |
|
1878
CNB Financial Corp
CCNE
$1B
| $6.12M | ﹤0.01% |
181,638
+36,239
| +25% | +$1.13M |
|
1879
Rockwell Automation
ROK
$48.5B
| $6.12M | ﹤0.01% |
12,360
-14,627
| -54% | -$6.36M |
|
1880
SITE Centers
SITC
$161M
| $6.11M | ﹤0.01% |
1,539,100
+91,392
| +6% | +$476K |
|
1881
Greenlight Captial
GLRE
$499M
| $6.1M | ﹤0.01% |
377,142
-16,776
| -4% | -$288K |
|
1882
AT&T
T
$173B
| $6.1M | ﹤0.01% |
294,669
-1,586,242
| -84% | -$39.4M |
|
1883
PUT
Cadence Design Systems
CDNS
$87.9B
| $6.08M | ﹤0.01% |
+16,200
| New | +$5.68M |
|
|
APC
1884
ARKO Petroleum
APC
$875M
| $6.08M | ﹤0.01% |
322,417
+88,979
| +38% | +$1.71M |
|
1885
BILL Holdings
BILL
$4.76B
| $6.07M | ﹤0.01% |
167,942
+84,958
| +102% | +$3.13M |
|
1886
Citizens Financial Group
CFG
$29.4B
| $6.07M | ﹤0.01% |
86,623
-351,392
| -80% | -$22.7M |
|
1887
Dillards
DDS
$9.71B
| $6.06M | ﹤0.01% |
11,464
+5,549
| +94% | +$3.21M |
|
1888
Fidelity Nasdaq Composite Index ETF
ONEQ
$10.7B
| $6.05M | ﹤0.01% |
58,600
-317,600
| -84% | -$31.6M |
|
1889
Fidelity Enhanced Large Cap Value ETF
FELV
$3.42B
| $6.03M | ﹤0.01% |
+150,300
| New | +$5.75M |
|
1890
Eagle Bancorp
EGBN
$861M
| $6.02M | ﹤0.01% |
212,036
+118,718
| +127% | +$3.18M |
|
1891
Zillow
ZG
$8.27B
| $6.01M | ﹤0.01% |
191,734
+165,605
| +634% | +$6.4M |
|
1892
Columbia Financial
CLBK
$1.23B
| $6.01M | ﹤0.01% |
283,231
+139,537
| +97% | +$2.71M |
|
1893
Gentex
GNTX
$4.98B
| $5.99M | ﹤0.01% |
237,128
+83,095
| +54% | +$1.97M |
|
1894
Lightspeed Commerce
LSPD
$1.37B
| $5.99M | ﹤0.01% |
570,576
+278,074
| +95% | +$2.59M |
|
|
RTAC
1895
Renatus Tactical Acquisition Corp I
RTAC
$326M
| $5.98M | ﹤0.01% |
570,937
| – | – |
|
1896
PJT Partners
PJT
$4.47B
| $5.98M | ﹤0.01% |
39,588
-45,359
| -53% | -$6.99M |
|
1897
ArcBest
ARCB
$3.14B
| $5.97M | ﹤0.01% |
41,624
-55,288
| -57% | -$7.2M |
|
1898
Insteel Industries
IIIN
$599M
| $5.97M | ﹤0.01% |
197,813
+15,135
| +8% | +$434K |
|
1899
CALL
KLA
KLAC
$240B
| $5.97M | ﹤0.01% |
19,800
-20,200
| -51% | -$4.01M |
|
1900
NN Inc
NNBR
$312M
| $5.97M | ﹤0.01% |
1,663,043
+1,652,843
| +16,204% | +$4.11M |
|
Similar funds
John Overdeck's Q2 2026 Portfolio in Review
As of Q2 2026, John Overdeck held 5,589 positions worth $138B, up 11% from $124B the previous quarter. Its ten largest holdings account for 8.3% of the portfolio.
John Overdeck withdrew a net $4.38B in Q2 2026, closing 572 positions and reducing 1,756 holdings. Its most notable exit was State Street Technology Select Sector SPDR ETF, an estimated $172M position sold in full.
By sector, the portfolio is most concentrated in Technology at 20% of assets, up from 19% a quarter earlier, followed by Financials and Healthcare.
Against the trend, John Overdeck opened a new position in Intuit worth $564M.
- John Overdeck's largest Q2 2026 buy was Intuit: 2,161,507 shares worth $564M.
- John Overdeck added most to Boston Scientific in Q2 2026, an estimated $540M increase.
- John Overdeck's biggest Q2 2026 reduction was Micron Technology, cutting an estimated $1.32B.
- John Overdeck fully exited State Street Technology Select Sector SPDR ETF in Q2 2026, selling an estimated $172M.
- John Overdeck's ten largest holdings make up 8.3% of its $138B portfolio in Q2 2026.
- John Overdeck opened 1,050 new positions and closed 572 in Q2 2026.
- John Overdeck's portfolio value rose 11% quarter-over-quarter to $138B.
Based on Two Sigma Investments's 13F filing for Q2 2026, filed 14 Aug 2026.