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 |
NVIDIA
NVDA
|
+$1.84B |
| 2 |
Alphabet (Google) Class A
GOOGL
|
+$1.38B |
| 3 |
Apple
AAPL
|
+$1.31B |
| 4 |
Amazon
AMZN
|
+$1.14B |
| 5 |
Tesla
TSLA
|
+$966M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Amgen
AMGN
|
+$224M |
| 2 |
VanEck Semiconductor ETF
SMH
|
+$216M |
| 3 |
Procter & Gamble
PG
|
+$215M |
| 4 |
State Street Technology Select Sector SPDR ETF
XLK
|
+$212M |
| 5 |
Eaton
ETN
|
+$197M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 18.76% |
| 2 | Financials | 13.52% |
| 3 | Healthcare | 11.32% |
| 4 | Industrials | 11.3% |
| 5 | Consumer Discretionary | 10.01% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
1076
Riley Exploration Permian
REPX
$833M
| $15.4M | 0.01% |
+421,820
| New | +$12.6M |
|
|
NPKI
1077
NPK International
NPKI
$1.12B
| $15.4M | 0.01% |
1,060,904
+555,746
| +110% | +$7.71M |
|
1078
HCI Group
HCI
$2.31B
| $15.4M | 0.01% |
99,337
+59,165
| +147% | +$9.69M |
|
1079
iShares MSCI Mexico ETF
EWW
$1.79B
| $15.3M | 0.01% |
203,900
+125,900
| +161% | +$9.52M |
|
1080
Skywest
SKYW
$3.95B
| $15.3M | 0.01% |
166,793
-3,858
| -2% | -$380K |
|
|
CMBT
1081
CMB.TECH NV
CMBT
$5.27B
| $15.3M | 0.01% |
1,209,818
+1,040,981
| +617% | +$13.1M |
|
1082
Houlihan Lokey
HLI
$9.01B
| $15.3M | 0.01% |
+106,282
| New | +$17.5M |
|
|
OBE
1083
Obsidian Energy
OBE
$769M
| $15.2M | 0.01% |
1,607,195
+1,148,826
| +251% | +$8.78M |
|
|
EVAC
1084
EQV Ventures Acquisition Corp II
EVAC
$600M
| $15.2M | 0.01% |
1,507,259
| – | – |
|
|
LAND
1085
Gladstone Land Corp
LAND
$381M
| $15.2M | 0.01% |
1,490,350
+1,130,162
| +314% | +$12.2M |
|
|
DEC
1086
Diversified Energy Company
DEC
$1.05B
| $15.1M | 0.01% |
866,459
+484,018
| +127% | +$6.82M |
|
1087
Diodes
DIOD
$4.13B
| $15.1M | 0.01% |
221,015
-12,363
| -5% | -$780K |
|
1088
Southern Company
SO
$104B
| $15.1M | 0.01% |
+155,978
| New | +$14.4M |
|
|
CIM
1089
Chimera Investment
CIM
$973M
| $15M | 0.01% |
1,195,479
+350,981
| +42% | +$4.58M |
|
1090
PUT
Carvana
CVNA
$79.5B
| $15M | 0.01% |
238,500
+62,500
| +36% | +$4.64M |
|
1091
Heartland Express
HTLD
$967M
| $15M | 0.01% |
1,440,134
+594,466
| +70% | +$6.27M |
|
1092
AdvanSix
ASIX
$454M
| $14.9M | 0.01% |
612,694
+207,287
| +51% | +$3.91M |
|
1093
Analog Devices
ADI
$180B
| $14.9M | 0.01% |
46,841
+19,464
| +71% | +$6.19M |
|
1094
Blackstone Secured Lending
BXSL
$5.82B
| $14.9M | 0.01% |
627,213
-499,130
| -44% | -$12.4M |
|
1095
Diamondrock Hospitality Co
DRH
$2.61B
| $14.8M | 0.01% |
1,581,739
+1,116,252
| +240% | +$10.6M |
|
1096
nVent Electric
NVT
$24.8B
| $14.8M | 0.01% |
125,296
-271,574
| -68% | -$30.8M |
|
|
HNGE
1097
Hinge Health
HNGE
$7.26B
| $14.8M | 0.01% |
383,879
+294,521
| +330% | +$12.2M |
|
1098
BioNTech
BNTX
$28.3B
| $14.8M | 0.01% |
166,179
+57,921
| +54% | +$5.95M |
|
1099
Louisiana-Pacific
LPX
$5.08B
| $14.8M | 0.01% |
202,972
-61,190
| -23% | -$5.15M |
|
1100
CALL
lululemon athletica
LULU
$13.9B
| $14.7M | 0.01% |
96,300
+17,700
| +23% | +$3.17M |
|
Similar funds
John Overdeck's Q1 2026 Portfolio in Review
As of Q1 2026, John Overdeck held 5,070 positions worth $124B, up 75% from $70.9B the previous quarter. Its ten largest holdings account for 9.4% of the portfolio.
John Overdeck deployed $54.2B of net new capital in Q1 2026, opening 1,038 new positions and adding to 2,050 existing holdings. Its largest new stake was Broadcom: 2,225,253 shares worth $689M.
By sector, the portfolio is most concentrated in Technology at 19% of assets, up from 16% a quarter earlier, followed by Financials and Healthcare.
On the sell side, the largest reduction was Amgen, an estimated $224M trimmed.
- John Overdeck's largest Q1 2026 buy was Broadcom: 2,225,253 shares worth $689M.
- John Overdeck added most to NVIDIA in Q1 2026, an estimated $1.84B increase.
- John Overdeck's biggest Q1 2026 reduction was Amgen, cutting an estimated $224M.
- John Overdeck fully exited First Trust Dow Jones Internet Index Fund ETF in Q1 2026, selling an estimated $82.2M.
- John Overdeck's ten largest holdings make up 9.4% of its $124B portfolio in Q1 2026.
- John Overdeck opened 1,038 new positions and closed 524 in Q1 2026.
- John Overdeck's portfolio value rose 75% quarter-over-quarter to $124B.
Based on Two Sigma Investments's 13F filing for Q1 2026, filed 15 May 2026.