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 | |
|---|---|---|---|---|---|---|
|
NUAI
3076
New Era Energy & Digital Inc
NUAI
$518M
| $1.68M | ﹤0.01% |
+264,057
| New | +$1.28M |
|
3077
PUT
ConocoPhillips
COP
$162B
| $1.68M | ﹤0.01% |
16,200
+5,200
| +47% | +$616K |
|
3078
Lamb Weston
LW
$7.38B
| $1.68M | ﹤0.01% |
38,985
+11,187
| +40% | +$482K |
|
3079
Warby Parker
WRBY
$3.39B
| $1.68M | ﹤0.01% |
55,335
-164,874
| -75% | -$4.08M |
|
3080
Invesco NASDAQ Biotechnology ETF
IBBQ
$86M
| $1.68M | ﹤0.01% |
51,400
| – | – |
|
3081
PUT
Hewlett Packard
HPE
$70.8B
| $1.67M | ﹤0.01% |
37,100
-1,300
| -3% | -$46.9K |
|
3082
CALL
TE Connectivity
TEL
$58.9B
| $1.67M | ﹤0.01% |
8,300
+6,300
| +315% | +$1.34M |
|
3083
WisdomTree US LargeCap Fund
EPS
$1.65B
| $1.67M | ﹤0.01% |
+21,500
| New | +$1.63M |
|
3084
CALL
Ulta Beauty
ULTA
$22.4B
| $1.67M | ﹤0.01% |
3,700
-800
| -18% | -$406K |
|
|
THRO
3085
iShares U.S. Thematic Rotation Active ETF
THRO
$6.67B
| $1.66M | ﹤0.01% |
+38,600
| New | +$1.6M |
|
3086
Acumen Pharmaceuticals
ABOS
$229M
| $1.66M | ﹤0.01% |
622,882
+92,070
| +17% | +$227K |
|
3087
CALL
Rio Tinto
RIO
$171B
| $1.66M | ﹤0.01% |
17,500
+8,500
| +94% | +$862K |
|
|
NBP
3088
NovaBridge Biosciences American Depositary Shares
NBP
$231M
| $1.66M | ﹤0.01% |
+851,348
| New | +$1.74M |
|
3089
United States Antimony
UAMY
$822M
| $1.66M | ﹤0.01% |
228,607
-710,982
| -76% | -$6.43M |
|
3090
Lifestance Health
LFST
$4.76B
| $1.66M | ﹤0.01% |
+154,800
| New | +$1.2M |
|
|
URG
3091
Ur-Energy
URG
$565M
| $1.65M | ﹤0.01% |
1,215,929
+336,671
| +38% | +$549K |
|
|
QRED
3092
QuasarEdge Acquisition Corp
QRED
| $1.65M | ﹤0.01% |
+166,145
| New | +$1.65M |
|
3093
BioMarin Pharmaceuticals
BMRN
$12.9B
| $1.65M | ﹤0.01% |
28,775
-15,700
| -35% | -$860K |
|
3094
Nextpower Inc
NXT
$13.1B
| $1.64M | ﹤0.01% |
+13,800
| New | +$1.7M |
|
3095
CALL
Mondelez International
MDLZ
$82.3B
| $1.64M | ﹤0.01% |
28,400
+17,100
| +151% | +$1.03M |
|
3096
Core & Main
CNM
$8.4B
| $1.64M | ﹤0.01% |
+34,000
| New | +$1.68M |
|
3097
Laureate Education
LAUR
$5.16B
| $1.64M | ﹤0.01% |
45,100
-14,500
| -24% | -$489K |
|
3098
Inhibikase Therapeutics
IKT
$333M
| $1.64M | ﹤0.01% |
806,264
-41,347
| -5% | -$74K |
|
3099
Virtus Biotech ETF
BBP
$113M
| $1.64M | ﹤0.01% |
17,000
+6,000
| +55% | +$522K |
|
3100
CALL
CAVA Group
CAVA
$8.6B
| $1.63M | ﹤0.01% |
20,800
-8,200
| -28% | -$688K |
|
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.