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 | |
|---|---|---|---|---|---|---|
1526
CorVel
CRVL
$3.54B
| $9.09M | 0.01% |
145,409
+33,159
| +30% | +$1.93M |
|
|
MSIF
1527
MSC Income Fund Inc
MSIF
$579M
| $9.07M | 0.01% |
783,888
-350,383
| -31% | -$4.29M |
|
1528
Blue Owl Capital
OWL
$18.2B
| $9.06M | 0.01% |
1,035,554
-6,061,251
| -85% | -$57.6M |
|
1529
Helix Energy Solutions
HLX
$1.53B
| $9.05M | 0.01% |
1,035,449
+727,106
| +236% | +$6.99M |
|
1530
Gladstone Investment Corp
GAIN
$651M
| $9.03M | 0.01% |
584,106
-220,157
| -27% | -$3.46M |
|
1531
PUT
Marathon Petroleum
MPC
$101B
| $9.03M | 0.01% |
35,300
+18,300
| +108% | +$4.49M |
|
1532
Blue Bird Corp
BLBD
$1.96B
| $9.02M | 0.01% |
114,254
-443,344
| -80% | -$30.1M |
|
1533
Globalstar
GSAT
$10.7B
| $9.02M | 0.01% |
110,922
+105,967
| +2,139% | +$8.53M |
|
|
ANDG
1534
Andersen Group
ANDG
$5.67B
| $9.01M | 0.01% |
238,973
+159,603
| +201% | +$5.63M |
|
|
TWFG
1535
TWFG Inc
TWFG
$373M
| $8.96M | 0.01% |
372,365
+167,152
| +81% | +$3.29M |
|
|
OGC
1536
OceanaGold Corp
OGC
$6.9B
| $8.93M | 0.01% |
+356,127
| New | +$10.6M |
|
1537
RB Global
RBA
$16.1B
| $8.92M | 0.01% |
76,624
-2,772
| -3% | -$292K |
|
|
DMII
1538
Drugs Made In America Acquisition II Corp
DMII
$646M
| $8.92M | 0.01% |
886,544
| – | – |
|
|
NPB
1539
Northpointe Bancshares
NPB
$595M
| $8.91M | 0.01% |
464,361
-136,294
| -23% | -$2.43M |
|
|
NPKI
1540
NPK International
NPKI
$1.16B
| $8.9M | 0.01% |
559,499
-501,405
| -47% | -$7.56M |
|
1541
Mondelez International
MDLZ
$82.3B
| $8.9M | 0.01% |
153,828
-198,038
| -56% | -$11.9M |
|
1542
Myriad Genetics
MYGN
$306M
| $8.89M | 0.01% |
1,557,727
+273,677
| +21% | +$1.24M |
|
|
TACH
1543
Titan Acquisition Corp
TACH
$361M
| $8.89M | 0.01% |
854,110
| – | – |
|
1544
Johnson & Johnson
JNJ
$651B
| $8.87M | 0.01% |
34,909
-18,344
| -34% | -$4.28M |
|
1545
Glaukos
GKOS
$10.9B
| $8.86M | 0.01% |
63,430
| – | – |
|
|
KRSP
1546
Rice Acquisition Corporation 3
KRSP
$488M
| $8.86M | 0.01% |
843,613
| – | – |
|
1547
Natera
NTRA
$47.9B
| $8.85M | 0.01% |
32,600
-7,600
| -19% | -$1.62M |
|
1548
SmartFinancial
SMBK
$873M
| $8.84M | 0.01% |
188,433
+18,549
| +11% | +$788K |
|
1549
Murphy Oil
MUR
$5.36B
| $8.84M | 0.01% |
271,350
+224,087
| +474% | +$8.58M |
|
1550
Honeywell
HON
$68.4B
| $8.82M | 0.01% |
39,406
-1,697,890
| -98% | -$379M |
|
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.