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 | |
|---|---|---|---|---|---|---|
2901
CALL
CF Industries
CF
$19.6B
| $2.05M | ﹤0.01% |
+18,900
| New | +$2.23M |
|
2902
Ethan Allen Interiors
ETD
$595M
| $2.05M | ﹤0.01% |
91,562
+25,432
| +38% | +$539K |
|
|
XZO
2903
Exzeo Group
XZO
$1.52B
| $2.04M | ﹤0.01% |
121,216
-77,213
| -39% | -$1.14M |
|
2904
Stoke Therapeutics
STOK
$2.08B
| $2.04M | ﹤0.01% |
+62,371
| New | +$2M |
|
|
FLNA
2905
Filana Therapeutics
FLNA
$46.4M
| $2.04M | ﹤0.01% |
1,711,358
-277,456
| -14% | -$395K |
|
2906
CRH
CRH
$63.2B
| $2.04M | ﹤0.01% |
+19,026
| New | +$2.09M |
|
2907
Invivyd
IVVD
$294M
| $2.04M | ﹤0.01% |
2,333,474
+363,815
| +18% | +$456K |
|
2908
CALL
Equifax
EFX
$22.6B
| $2.03M | ﹤0.01% |
+12,800
| New | +$2.18M |
|
2909
CALL
JFrog
FROG
$11.4B
| $2.03M | ﹤0.01% |
+22,300
| New | +$1.45M |
|
2910
State Street SPDR S&P North American Natural Resources ETF
NANR
$863M
| $2.02M | ﹤0.01% |
+26,800
| New | +$2.19M |
|
|
CHAR
2911
Charlton Aria Acquisition Corp
CHAR
| $2.02M | ﹤0.01% |
187,500
| – | – |
|
2912
PUT
Kratos Defense & Security Solutions
KTOS
$10.7B
| $2.02M | ﹤0.01% |
40,500
+6,500
| +19% | +$393K |
|
2913
CALL
Bunge Global
BG
$21.7B
| $2.02M | ﹤0.01% |
18,900
+10,300
| +120% | +$1.27M |
|
2914
McGrath RentCorp
MGRC
$2.85B
| $2.02M | ﹤0.01% |
16,662
-124,874
| -88% | -$14.2M |
|
2915
CALL
MongoDB
MDB
$34.7B
| $2.02M | ﹤0.01% |
6,000
+3,500
| +140% | +$1.05M |
|
2916
Edgewise Therapeutics
EWTX
$4.8B
| $2.01M | ﹤0.01% |
49,548
-1,300
| -3% | -$44.8K |
|
2917
CarGurus
CARG
$3.28B
| $2.01M | ﹤0.01% |
59,000
+2,000
| +4% | +$64.8K |
|
2918
ArriVent BioPharma
AVBP
$1.44B
| $2.01M | ﹤0.01% |
57,804
+9,122
| +19% | +$269K |
|
2919
CALL
Cheniere Energy
LNG
$57.3B
| $2.01M | ﹤0.01% |
8,400
+7,400
| +740% | +$1.84M |
|
2920
Cellebrite
CLBT
$2.77B
| $2.01M | ﹤0.01% |
137,336
-94,586
| -41% | -$1.25M |
|
|
BIII
2921
Black Spade Acquisition III Co
BIII
| $2.01M | ﹤0.01% |
201,517
| – | – |
|
2922
Kayne Anderson Energy Infrastructure Fund
KYN
$2.47B
| $2M | ﹤0.01% |
144,300
| – | – |
|
2923
PUT
Carnival Corporation Ltd
CCL
$35.2B
| $1.99M | ﹤0.01% |
69,800
+100
| +0.1% | +$2.73K |
|
2924
PUT
American Airlines Group
AAL
$9.15B
| $1.99M | ﹤0.01% |
+110,300
| New | +$1.48M |
|
2925
PUT
Nu Holdings
NU
$70.4B
| $1.99M | ﹤0.01% |
149,100
+33,700
| +29% | +$454K |
|
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.