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 | |
|---|---|---|---|---|---|---|
1151
First Trust NASDAQ-100 Technology Index Fund
QTEC
$4.65B
| $15.6M | 0.01% |
46,714
+3,600
| +8% | +$1.03M |
|
1152
Sturm, Ruger & Co
RGR
$615M
| $15.6M | 0.01% |
411,946
-85,877
| -17% | -$3.45M |
|
1153
ThredUp
TDUP
$369M
| $15.6M | 0.01% |
2,273,563
+50,056
| +2% | +$234K |
|
|
MDA
1154
MDA Space Ltd
MDA
$4.81B
| $15.6M | 0.01% |
+376,763
| New | +$13.7M |
|
1155
Workiva
WK
$4.07B
| $15.5M | 0.01% |
320,421
+81,980
| +34% | +$4.22M |
|
1156
Brighthouse Financial
BHF
$2.98B
| $15.5M | 0.01% |
245,044
+228,712
| +1,400% | +$14.2M |
|
1157
CytomX Therapeutics
CTMX
$717M
| $15.5M | 0.01% |
4,132,643
+1,422,487
| +52% | +$5.43M |
|
1158
Virtus Investment Partners
VRTS
$1.13B
| $15.5M | 0.01% |
107,942
+21,389
| +25% | +$3.02M |
|
1159
NMI Holdings
NMIH
$3.42B
| $15.4M | 0.01% |
375,727
-258,154
| -41% | -$9.87M |
|
1160
El Pollo Loco
LOCO
$484M
| $15.4M | 0.01% |
906,685
+264,577
| +41% | +$3.79M |
|
1161
Invesco Large Cap Growth ETF
PWB
$2.41B
| $15.3M | 0.01% |
91,100
+21,900
| +32% | +$3.32M |
|
|
EVAC
1162
EQV Ventures Acquisition Corp II
EVAC
$600M
| $15.3M | 0.01% |
1,507,259
| – | – |
|
|
UMH
1163
UMH Properties
UMH
$1.42B
| $15.3M | 0.01% |
1,010,182
+196,966
| +24% | +$3.01M |
|
1164
First Interstate BancSystem
FIBK
$3.55B
| $15.3M | 0.01% |
396,596
+280,882
| +243% | +$9.94M |
|
|
AAT
1165
American Assets Trust
AAT
$1.41B
| $15.3M | 0.01% |
618,313
+75,581
| +14% | +$1.66M |
|
1166
Wheaton Precious Metals
WPM
$72.8B
| $15.2M | 0.01% |
135,526
-214,466
| -61% | -$27.9M |
|
1167
CALL
Palo Alto Networks
PANW
$286B
| $15.2M | 0.01% |
44,500
+25,900
| +139% | +$5.93M |
|
1168
Petco
WOOF
$822M
| $15.2M | 0.01% |
5,577,176
-392,398
| -7% | -$1.09M |
|
1169
John B. Sanfilippo & Son
JBSS
$882M
| $15.2M | 0.01% |
176,288
-64,860
| -27% | -$5.13M |
|
1170
Primis Financial Corp
FRST
$404M
| $15.1M | 0.01% |
923,711
+505,335
| +121% | +$7.37M |
|
1171
PUT
Amazon
AMZN
$2.83T
| $15.1M | 0.01% |
63,400
-2,000
| -3% | -$502K |
|
1172
HSBC
HSBC
$357B
| $15.1M | 0.01% |
158,284
+9,985
| +7% | +$911K |
|
1173
CoreCivic
CXW
$3.35B
| $15M | 0.01% |
494,641
-243,231
| -33% | -$5.51M |
|
1174
Grindr
GRND
$2.71B
| $15M | 0.01% |
1,041,281
+959,375
| +1,171% | +$12.4M |
|
1175
Marriott Vacations Worldwide
VAC
$3.93B
| $14.9M | 0.01% |
+146,741
| New | +$11.8M |
|
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.