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 | |
|---|---|---|---|---|---|---|
1026
NETSCOUT
NTCT
$2.75B
| $19.6M | 0.01% |
449,621
+13,014
| +3% | +$490K |
|
|
FRMI
1027
Fermi Inc
FRMI
$3.6B
| $19.5M | 0.01% |
2,132,185
+1,563,135
| +275% | +$9.88M |
|
1028
American Century US Quality Growth ETF
QGRO
$2B
| $19.4M | 0.01% |
164,700
+2,200
| +1% | +$250K |
|
1029
Canadian Solar
CSIQ
$972M
| $19.4M | 0.01% |
1,210,974
-987,329
| -45% | -$15.8M |
|
1030
iShares 20+ Year Treasury Bond ETF
TLT
$46.6B
| $19.4M | 0.01% |
+224,469
| New | +$19.3M |
|
1031
Horizon Bancorp
HBNC
$1.01B
| $19.4M | 0.01% |
970,116
+190,231
| +24% | +$3.5M |
|
1032
LGI Homes
LGIH
$1.35B
| $19.4M | 0.01% |
304,216
-16,346
| -5% | -$781K |
|
1033
Home BancShares
HOMB
$6.01B
| $19.4M | 0.01% |
678,453
-196,092
| -22% | -$5.33M |
|
1034
Blackbaud
BLKB
$2.18B
| $19.3M | 0.01% |
652,245
+490,196
| +302% | +$16.1M |
|
1035
Kura Sushi USA
KRUS
$603M
| $19.3M | 0.01% |
335,347
-10,682
| -3% | -$584K |
|
|
INN
1036
Summit Hotel Properties
INN
$662M
| $19.3M | 0.01% |
2,750,750
+2,504,913
| +1,019% | +$13.8M |
|
1037
West Fraser Timber
WFG
$5.37B
| $19.3M | 0.01% |
284,763
-34,835
| -11% | -$2.27M |
|
1038
Interparfums
IPAR
$3.74B
| $19.2M | 0.01% |
172,054
+141,913
| +471% | +$13.4M |
|
1039
Griffon
GFF
$4.59B
| $19.2M | 0.01% |
196,909
+69,505
| +55% | +$6.06M |
|
|
CRWV
1040
PUT
CoreWeave
CRWV
$47.6B
| $19.2M | 0.01% |
192,700
-106,100
| -36% | -$11.5M |
|
1041
Ironwood Pharmaceuticals
IRWD
$682M
| $19.2M | 0.01% |
4,556,089
-1,292,187
| -22% | -$4.98M |
|
1042
HF Sinclair
DINO
$16.9B
| $19.2M | 0.01% |
275,295
+41,175
| +18% | +$2.74M |
|
1043
MSC Industrial Direct
MSM
$6.66B
| $19.1M | 0.01% |
160,747
+125,869
| +361% | +$13.4M |
|
1044
Flowers Foods
FLO
$1.54B
| $19.1M | 0.01% |
2,420,213
+1,551,906
| +179% | +$12.4M |
|
|
OBE
1045
Obsidian Energy
OBE
$769M
| $19.1M | 0.01% |
2,350,583
+743,388
| +46% | +$8.34M |
|
1046
MDU Resources
MDU
$4.2B
| $19.1M | 0.01% |
898,508
+415,932
| +86% | +$9.05M |
|
1047
Twilio
TWLO
$34.2B
| $19M | 0.01% |
92,269
+42,757
| +86% | +$7.58M |
|
1048
DraftKings
DKNG
$12.9B
| $19M | 0.01% |
753,478
-341,879
| -31% | -$8.43M |
|
|
NSA
1049
DELISTED
National Storage Affiliates Trust
NSA
| $19M | 0.01% |
427,945
-994,221
| -70% | -$42.6M |
|
1050
Huazhu Hotels Group
HTHT
$15B
| $19M | 0.01% |
455,164
+395,096
| +658% | +$18.8M |
|
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.