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 | |
|---|---|---|---|---|---|---|
2751
CALL
Albemarle
ALB
$16.9B
| $2.4M | ﹤0.01% |
17,800
-13,000
| -42% | -$2.29M |
|
2752
Inspire 100 ETF
BIBL
$497M
| $2.4M | ﹤0.01% |
41,500
+4,500
| +12% | +$240K |
|
2753
Castle Biosciences
CSTL
$1.04B
| $2.39M | ﹤0.01% |
100,374
-148,466
| -60% | -$3.31M |
|
2754
Peabody Energy
BTU
$3.37B
| $2.39M | ﹤0.01% |
103,489
-67,115
| -39% | -$1.78M |
|
|
NXDR
2755
Nextdoor Holdings
NXDR
$925M
| $2.39M | ﹤0.01% |
1,053,738
-80,637
| -7% | -$151K |
|
2756
Imperial Petroleum
IMPP
$235M
| $2.39M | ﹤0.01% |
518,832
+412,217
| +387% | +$2M |
|
|
STRS
2757
DELISTED
STRATUS PPTYS INC
STRS
| $2.39M | ﹤0.01% |
+83,187
| New | +$2.45M |
|
2758
CALL
Bloom Energy
BE
$59.3B
| $2.39M | ﹤0.01% |
7,900
-15,700
| -67% | -$4.02M |
|
|
EFOR
2759
Everforth Inc
EFOR
$1.34B
| $2.39M | ﹤0.01% |
133,622
-5,076
| -4% | -$124K |
|
2760
Nomura Holdings
NMR
$28.4B
| $2.38M | ﹤0.01% |
271,395
+261,395
| +2,614% | +$2.17M |
|
2761
iShares Morningstar Value ETF
ILCV
$1.35B
| $2.38M | ﹤0.01% |
+23,500
| New | +$2.33M |
|
2762
First Bank
FRBA
$451M
| $2.38M | ﹤0.01% |
134,140
-1,071
| -0.8% | -$17.2K |
|
2763
Legacy Housing
LEGH
$681M
| $2.38M | ﹤0.01% |
90,523
+5,742
| +7% | +$131K |
|
2764
Invesco Dorsey Wright Industrials Momentum ETF
PRN
$409M
| $2.37M | ﹤0.01% |
+9,100
| New | +$2.14M |
|
2765
Richtech Robotics
RR
$380M
| $2.37M | ﹤0.01% |
1,124,240
-1,113,741
| -50% | -$2.7M |
|
2766
State Street SPDR S&P Pharmaceuticals ETF
XPH
$546M
| $2.37M | ﹤0.01% |
35,751
-14,949
| -29% | -$876K |
|
2767
Stewart Information Services
STC
$2.11B
| $2.35M | ﹤0.01% |
35,659
-74,320
| -68% | -$4.95M |
|
2768
CALL
Sprouts Farmers Market
SFM
$7.56B
| $2.35M | ﹤0.01% |
27,800
+11,500
| +71% | +$930K |
|
2769
CALL
HF Sinclair
DINO
$17.3B
| $2.35M | ﹤0.01% |
+33,700
| New | +$2.24M |
|
2770
Korro Bio
KRRO
$194M
| $2.35M | ﹤0.01% |
178,071
+12,599
| +8% | +$157K |
|
2771
CALL
Lockheed Martin
LMT
$130B
| $2.34M | ﹤0.01% |
+4,600
| New | +$2.49M |
|
|
PAAC
2772
Proem Acquisition Corp I
PAAC
$177M
| $2.34M | ﹤0.01% |
+235,624
| New | +$2.33M |
|
|
VIA
2773
Via Transportation Inc
VIA
$2.2B
| $2.34M | ﹤0.01% |
128,959
-5,776
| -4% | -$90.4K |
|
|
PLG
2774
Platinum Group Metals
PLG
$210M
| $2.33M | ﹤0.01% |
1,729,481
-256,484
| -13% | -$429K |
|
2775
Invesco Oil & Gas Services ETF
PXJ
$66.3M
| $2.33M | ﹤0.01% |
60,480
+2,200
| +4% | +$94.7K |
|
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.