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 | |
|---|---|---|---|---|---|---|
|
AD
3951
Array Digital Infrastructure
AD
$3.08B
| $318K | ﹤0.01% |
+6,900
| New | +$344K |
|
3952
GoPro
GPRO
$111M
| $318K | ﹤0.01% |
412,803
+40,800
| +11% | +$41K |
|
3953
Monte Rosa Therapeutics
GLUE
$1.18B
| $317K | ﹤0.01% |
19,300
+5,300
| +38% | +$101K |
|
3954
Expensify
EXFY
$248M
| $317K | ﹤0.01% |
364,223
-6,512
| -2% | -$7.73K |
|
3955
CALL
Range Resources
RRC
$9.64B
| $316K | ﹤0.01% |
+7,000
| New | +$273K |
|
|
GRVY
3956
GRAVITY
GRVY
$502M
| $316K | ﹤0.01% |
5,100
-9,271
| -65% | -$592K |
|
3957
PUT
Constellation Brands
STZ
$23.5B
| $315K | ﹤0.01% |
2,100
-900
| -30% | -$139K |
|
3958
Build-A-Bear
BBW
$487M
| $315K | ﹤0.01% |
+8,400
| New | +$442K |
|
3959
ALPS Active REIT ETF
REIT
$58M
| $314K | ﹤0.01% |
11,500
+1,900
| +20% | +$52.5K |
|
3960
CALL
Cencora
COR
$61.8B
| $314K | ﹤0.01% |
+1,000
| New | +$349K |
|
3961
PUT
Boston Scientific
BSX
$71B
| $314K | ﹤0.01% |
+5,000
| New | +$400K |
|
|
LBRX
3962
LB Pharmaceuticals
LBRX
$1.56B
| $314K | ﹤0.01% |
12,720
| – | – |
|
3963
Carrier Global
CARR
$49.4B
| $313K | ﹤0.01% |
5,558
-1,613,441
| -100% | -$95.5M |
|
3964
State Street SPDR S&P 500 Fossil Fuel Reserves Free ETF
SPYX
$2.83B
| $313K | ﹤0.01% |
+5,900
| New | +$329K |
|
|
ADUR
3965
Aduro Clean Technologies
ADUR
$540M
| $312K | ﹤0.01% |
29,762
| – | – |
|
3966
Tejon Ranch
TRC
$440M
| $311K | ﹤0.01% |
16,520
-2,200
| -12% | -$38K |
|
3967
WisdomTree US Multifactor Fund
USMF
$286M
| $311K | ﹤0.01% |
6,300
-29,600
| -82% | -$1.51M |
|
3968
CALL
Alamos Gold
AGI
$16B
| $311K | ﹤0.01% |
+7,000
| New | +$309K |
|
3969
PUT
McDonald's
MCD
$193B
| $311K | ﹤0.01% |
1,000
-9,000
| -90% | -$2.87M |
|
3970
PUT
BP
BP
$113B
| $310K | ﹤0.01% |
+6,600
| New | +$259K |
|
3971
Velocity Financial
VEL
$728M
| $310K | ﹤0.01% |
17,144
-7,400
| -30% | -$140K |
|
3972
CALL
Omnicom Group
OMC
$24.4B
| $309K | ﹤0.01% |
+4,100
| New | +$318K |
|
3973
Hooker Furnishings Corp
HOFT
$152M
| $309K | ﹤0.01% |
23,964
-17,347
| -42% | -$228K |
|
3974
STRATTEC Security
STRT
$325M
| $307K | ﹤0.01% |
+3,925
| New | +$322K |
|
3975
PUT
Lyft
LYFT
$6.69B
| $307K | ﹤0.01% |
23,100
+100
| +0.4% | +$1.55K |
|
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.