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 | |
|---|---|---|---|---|---|---|
1851
Veralto
VLTO
$24.1B
| $6.3M | ﹤0.01% |
71,038
+62,706
| +753% | +$5.45M |
|
1852
Cencora
COR
$60.7B
| $6.29M | ﹤0.01% |
22,228
-822
| -4% | -$237K |
|
|
CLDT
1853
Chatham Lodging
CLDT
$631M
| $6.29M | ﹤0.01% |
475,102
+246,287
| +108% | +$2.55M |
|
1854
Standard Motor Products
SMP
$863M
| $6.28M | ﹤0.01% |
161,162
+4,532
| +3% | +$173K |
|
1855
Praxis Precision Medicines
PRAX
$10.5B
| $6.28M | ﹤0.01% |
18,758
+1,160
| +7% | +$367K |
|
1856
Insight Enterprises
NSIT
$4.33B
| $6.28M | ﹤0.01% |
+51,550
| New | +$4.7M |
|
|
MBX
1857
MBX Biosciences
MBX
$3.19B
| $6.26M | ﹤0.01% |
113,475
-1,600
| -1% | -$55.9K |
|
1858
Imperial Oil
IMO
$66.8B
| $6.25M | ﹤0.01% |
55,800
+15,800
| +40% | +$1.98M |
|
1859
Energy Services of America
ESOA
$220M
| $6.25M | ﹤0.01% |
323,147
+74,486
| +30% | +$1.21M |
|
1860
Merck
MRK
$376B
| $6.25M | ﹤0.01% |
48,625
-15,700
| -24% | -$1.84M |
|
1861
Luxfer Holdings
LXFR
$460M
| $6.25M | ﹤0.01% |
346,312
-10,821
| -3% | -$169K |
|
1862
PUT
Sunrun
RUN
$2.21B
| $6.24M | ﹤0.01% |
466,500
+9,100
| +2% | +$123K |
|
1863
PagSeguro Digital
PAGS
$2.38B
| $6.24M | ﹤0.01% |
689,368
-496,494
| -42% | -$4.8M |
|
1864
Plumas Bancorp
PLBC
$428M
| $6.23M | ﹤0.01% |
106,659
+96,182
| +918% | +$5.09M |
|
|
ORLA
1865
DELISTED
Orla Mining
ORLA
| $6.23M | ﹤0.01% |
636,597
+201,706
| +46% | +$2.68M |
|
1866
Artesian Resources
ARTNA
$367M
| $6.22M | ﹤0.01% |
183,038
+15,573
| +9% | +$504K |
|
1867
MYR Group
MYRG
$4.84B
| $6.21M | ﹤0.01% |
12,413
-53,591
| -81% | -$22M |
|
1868
PUT
Vistra
VST
$45.7B
| $6.2M | ﹤0.01% |
39,100
-12,100
| -24% | -$1.88M |
|
1869
First Trust Exchange-Traded Fund VI First Trust Hedged BuyWrite Income ETF
FTQI
$930M
| $6.19M | ﹤0.01% |
+280,300
| New | +$6.01M |
|
1870
KNOT Offshore Partners
KNOP
$369M
| $6.19M | ﹤0.01% |
620,395
+29,890
| +5% | +$318K |
|
1871
Unusual Machines
UMAC
$1.37B
| $6.18M | ﹤0.01% |
277,054
+28,247
| +11% | +$523K |
|
1872
Hackett Group
HCKT
$276M
| $6.18M | ﹤0.01% |
573,374
-225,552
| -28% | -$2.64M |
|
1873
Sonos
SONO
$1.87B
| $6.17M | ﹤0.01% |
456,146
+11,800
| +3% | +$173K |
|
1874
CALL
Datadog
DDOG
$84.6B
| $6.17M | ﹤0.01% |
23,700
+15,700
| +196% | +$2.92M |
|
1875
Nu Skin
NUS
$231M
| $6.17M | ﹤0.01% |
1,168,634
+156,501
| +15% | +$1M |
|
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.