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 | |
|---|---|---|---|---|---|---|
2826
Sana Biotechnology
SANA
$1.17B
| $2.23M | ﹤0.01% |
638,837
-559,742
| -47% | -$1.8M |
|
2827
Joby Aviation
JOBY
$7.45B
| $2.23M | ﹤0.01% |
+249,456
| New | +$2.41M |
|
|
AIIA
2828
AI Infrastructure Acquisition Corp
AIIA
$198M
| $2.23M | ﹤0.01% |
217,499
| – | – |
|
2829
Mueller Industries
MLI
$14B
| $2.22M | ﹤0.01% |
36,158
-4,000
| -10% | -$262K |
|
2830
CALL
Realty Income
O
$59.2B
| $2.22M | ﹤0.01% |
35,800
+1,800
| +5% | +$112K |
|
2831
Pinnacle Financial Partners Inc
PNFP
$15.5B
| $2.22M | ﹤0.01% |
21,960
+11,065
| +102% | +$1.06M |
|
|
VOXR
2832
Vox Royalty Corp
VOXR
$400M
| $2.21M | ﹤0.01% |
468,148
+23,944
| +5% | +$132K |
|
2833
Invesco S&P SmallCap Energy ETF
PSCE
$108M
| $2.21M | ﹤0.01% |
+40,220
| New | +$2.41M |
|
|
2834
Realty Income
O
$59.2B
| $2.21M | ﹤0.01% |
35,652
-39,802
| -53% | -$2.48M |
|
2835
Hasbro
HAS
$13.2B
| $2.21M | ﹤0.01% |
26,745
-11,655
| -30% | -$1.05M |
|
2836
Transcat
TRNS
$866M
| $2.21M | ﹤0.01% |
+23,799
| New | +$1.94M |
|
2837
Red Violet
RDVT
$1.14B
| $2.2M | ﹤0.01% |
34,596
+25,214
| +269% | +$1.19M |
|
2838
Valens Semiconductor
VLN
$196M
| $2.2M | ﹤0.01% |
971,883
+788,163
| +429% | +$1.77M |
|
2839
CALL
Freeport-McMoran
FCX
$110B
| $2.19M | ﹤0.01% |
34,900
-37,100
| -52% | -$2.38M |
|
2840
CALL
PBF Energy
PBF
$8.72B
| $2.19M | ﹤0.01% |
+48,200
| New | +$2.01M |
|
2841
Novartis
NVS
$302B
| $2.19M | ﹤0.01% |
13,992
-13,536
| -49% | -$2.03M |
|
2842
PUT
Lockheed Martin
LMT
$130B
| $2.19M | ﹤0.01% |
+4,300
| New | +$2.32M |
|
|
HAPN
2843
Happen Inc
HAPN
$2.13B
| $2.19M | ﹤0.01% |
105,556
+26,592
| +34% | +$453K |
|
2844
Hyliion Holdings
HYLN
$595M
| $2.19M | ﹤0.01% |
420,187
+287,887
| +218% | +$1.2M |
|
2845
Park-Ohio Holdings
PKOH
$662M
| $2.18M | ﹤0.01% |
56,724
-14,824
| -21% | -$456K |
|
2846
Moelis & Co
MC
$5.06B
| $2.18M | ﹤0.01% |
33,300
-8,700
| -21% | -$570K |
|
2847
Universal Display
OLED
$3.95B
| $2.18M | ﹤0.01% |
25,144
-224,990
| -90% | -$20.8M |
|
2848
Bioventus
BVS
$982M
| $2.18M | ﹤0.01% |
230,625
-28,435
| -11% | -$271K |
|
2849
PUT
W.W. Grainger
GWW
$61.8B
| $2.18M | ﹤0.01% |
1,600
-5,400
| -77% | -$6.65M |
|
2850
PUT
Guardant Health
GH
$22.9B
| $2.18M | ﹤0.01% |
+14,500
| New | +$1.58M |
|
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.