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 | |
|---|---|---|---|---|---|---|
|
FBRT
4751
Franklin BSP Realty Trust
FBRT
$697M
| $159K | ﹤0.01% |
19,534
-74,350
| -79% | -$646K |
|
4752
Mizuho Financial
MFG
$125B
| $157K | ﹤0.01% |
16,400
-9,600
| -37% | -$86.2K |
|
4753
1-800-Flowers.com
FLWS
$254M
| $156K | ﹤0.01% |
44,772
-16,400
| -27% | -$64.7K |
|
4754
PUT
Goodyear
GT
$1.72B
| $156K | ﹤0.01% |
+23,600
| New | +$152K |
|
4755
Cumberland Pharmaceuticals
CPIX
$115M
| $155K | ﹤0.01% |
23,981
+12,896
| +116% | +$61.8K |
|
4756
CALL
Uranium Energy
UEC
$6.31B
| $155K | ﹤0.01% |
14,500
+3,300
| +29% | +$44.3K |
|
4757
Vuzix
VUZI
$248M
| $154K | ﹤0.01% |
53,197
+39,463
| +287% | +$124K |
|
|
SLI
4758
Standard Lithium
SLI
$612M
| $154K | ﹤0.01% |
55,891
+10,421
| +23% | +$37.9K |
|
4759
PennantPark Floating Rate Capital
PFLT
$731M
| $153K | ﹤0.01% |
20,500
-273,181
| -93% | -$2.27M |
|
4760
Broadwind
BWEN
$106M
| $146K | ﹤0.01% |
+30,164
| New | +$99.9K |
|
|
4761
PUT
Uranium Energy
UEC
$6.31B
| $144K | ﹤0.01% |
13,500
+100
| +0.7% | +$1.34K |
|
4762
Minerva Neurosciences
NERV
$231M
| $142K | ﹤0.01% |
25,675
+4,281
| +20% | +$23.2K |
|
4763
CALL
Cogent Communications
CCOI
$470M
| $142K | ﹤0.01% |
+10,200
| New | +$188K |
|
4764
Wah Fu Education Group
WAFU
$6.53M
| $141K | ﹤0.01% |
92,873
-1,600
| -2% | -$2.62K |
|
4765
Vaalco Energy
EGY
$625M
| $140K | ﹤0.01% |
27,641
-37,561
| -58% | -$216K |
|
4766
Xilio Therapeutics
XLO
$60.7M
| $139K | ﹤0.01% |
+14,544
| New | +$121K |
|
4767
CALL
Arbor Realty Trust
ABR
$968M
| $138K | ﹤0.01% |
+25,500
| New | +$166K |
|
|
RDNW
4768
RideNow Group
RDNW
$233M
| $137K | ﹤0.01% |
20,592
-6,179
| -23% | -$44.9K |
|
|
NXH
4769
Neighborhood Intelligence, Inc. Common Stock
NXH
$396M
| $136K | ﹤0.01% |
+23,554
| New | +$129K |
|
|
ACOG
4770
Alpha Cognition
ACOG
$212M
| $136K | ﹤0.01% |
18,832
+2,946
| +19% | +$18.4K |
|
4771
CALL
Array Technologies
ARRY
$722M
| $136K | ﹤0.01% |
18,300
-13,700
| -43% | -$109K |
|
|
4772
PUT
Array Technologies
ARRY
$722M
| $136K | ﹤0.01% |
18,300
-1,100
| -6% | -$8.77K |
|
4773
America's Car Mart
CRMT
$20.6M
| $135K | ﹤0.01% |
48,556
+24,433
| +101% | +$234K |
|
4774
CALL
AGNC Investment
AGNC
$12.9B
| $133K | ﹤0.01% |
+12,200
| New | +$129K |
|
4775
PUT
Camping World
CWH
$676M
| $131K | ﹤0.01% |
17,200
+3,700
| +27% | +$26.8K |
|
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.