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 | |
|---|---|---|---|---|---|---|
1051
Leidos
LDOS
$17.4B
| $19M | 0.01% |
184,142
-82,936
| -31% | -$11M |
|
1052
Lincoln Educational Services
LINC
$788M
| $19M | 0.01% |
379,909
+27,552
| +8% | +$1.25M |
|
1053
Denison Mines
DNN
$3.2B
| $18.9M | 0.01% |
6,191,791
-5,112,449
| -45% | -$17.8M |
|
1054
Bloomin' Brands
BLMN
$980M
| $18.9M | 0.01% |
2,072,427
-504,755
| -20% | -$3.67M |
|
1055
PC Connection
CNXN
$1.94B
| $18.9M | 0.01% |
259,463
+75,745
| +41% | +$5.05M |
|
1056
Kimco Realty
KIM
$16.2B
| $18.9M | 0.01% |
746,306
+735,706
| +6,941% | +$17.7M |
|
1057
Terex
TEX
$7.53B
| $18.8M | 0.01% |
260,224
-436,433
| -63% | -$27.3M |
|
1058
Baytex Energy
BTE
$3.3B
| $18.8M | 0.01% |
4,703,039
+4,546,939
| +2,913% | +$21M |
|
1059
PUT
Super Micro Computer
SMCI
$22.8B
| $18.8M | 0.01% |
639,300
-95,300
| -13% | -$3.04M |
|
1060
Assured Guaranty
AGO
$3.26B
| $18.7M | 0.01% |
233,321
-290,060
| -55% | -$22.9M |
|
1061
Universal Corp
UVV
$1.14B
| $18.7M | 0.01% |
358,446
-75,006
| -17% | -$4M |
|
|
TMHC
1062
DELISTED
Taylor Morrison
TMHC
| $18.7M | 0.01% |
260,383
+73,045
| +39% | +$4.64M |
|
1063
Dave Inc
DAVE
$4.53B
| $18.6M | 0.01% |
49,985
+18,448
| +58% | +$4.8M |
|
1064
Utz Brands
UTZ
$1.26B
| $18.6M | 0.01% |
2,415,524
+689,560
| +40% | +$5.14M |
|
1065
Univest Financial
UVSP
$1.15B
| $18.6M | 0.01% |
424,252
+104,449
| +33% | +$4.09M |
|
1066
McEwen Inc
MUX
$1.29B
| $18.5M | 0.01% |
1,023,116
-280,522
| -22% | -$6.06M |
|
1067
Janux Therapeutics
JANX
$1.14B
| $18.5M | 0.01% |
1,207,250
+1,091,151
| +940% | +$15.8M |
|
1068
Fluor
FLR
$6.86B
| $18.5M | 0.01% |
353,248
+198,248
| +128% | +$9.71M |
|
1069
J&J Snack Foods
JJSF
$1.68B
| $18.4M | 0.01% |
250,902
+128,554
| +105% | +$10M |
|
1070
Kodiak Sciences
KOD
$2.34B
| $18.4M | 0.01% |
473,001
+373,533
| +376% | +$14.5M |
|
1071
Barclays
BCS
$90.7B
| $18.4M | 0.01% |
684,472
-262,660
| -28% | -$6.33M |
|
1072
Pacira BioSciences
PCRX
$991M
| $18.4M | 0.01% |
724,604
+197,753
| +38% | +$4.67M |
|
1073
Peloton Interactive
PTON
$2.35B
| $18.3M | 0.01% |
3,096,669
-1,616,822
| -34% | -$8.72M |
|
1074
Hilltop Holdings
HTH
$2.22B
| $18.3M | 0.01% |
471,676
+25,245
| +6% | +$948K |
|
1075
Nu Holdings
NU
$71.3B
| $18.2M | 0.01% |
1,363,864
-7,811,063
| -85% | -$105M |
|
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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.