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 | |
|---|---|---|---|---|---|---|
4676
CALL
Check Point Software Technologies
CHKP
$13.3B
| $210K | ﹤0.01% |
+1,600
| New | +$208K |
|
4677
PUT
Coca-Cola Europacific Partners
CCEP
$47.7B
| $210K | ﹤0.01% |
+2,100
| New | +$200K |
|
|
DDL
4678
Dingdong
DDL
$540M
| $210K | ﹤0.01% |
108,798
-5,000
| -4% | -$12.4K |
|
4679
Performance Food Group
PFGC
$16.5B
| $210K | ﹤0.01% |
+1,878
| New | +$179K |
|
|
PAL
4680
Proficient Auto Logistics
PAL
$150M
| $209K | ﹤0.01% |
+30,729
| New | +$206K |
|
4681
CALL
Southern Copper
SCCO
$182B
| $209K | ﹤0.01% |
+1,214
| New | +$218K |
|
|
HTFL
4682
Heartflow Inc
HTFL
$4.33B
| $209K | ﹤0.01% |
+7,126
| New | +$214K |
|
|
COAG
4683
Hemab Therapeutics
COAG
$2.3B
| $209K | ﹤0.01% |
+5,680
| New | +$157K |
|
|
BULL
4684
CALL
Webull Corp
BULL
$4.67B
| $208K | ﹤0.01% |
31,900
-100,000
| -76% | -$647K |
|
4685
Runway Growth Finance
RWAY
$278M
| $208K | ﹤0.01% |
37,042
-608,437
| -94% | -$3.85M |
|
4686
PUT
Teekay Tankers
TNK
$3.16B
| $208K | ﹤0.01% |
+3,200
| New | +$241K |
|
4687
Alkami Technology
ALKT
$2.18B
| $207K | ﹤0.01% |
+11,428
| New | +$189K |
|
|
ACB
4688
Aurora Cannabis
ACB
$249M
| $207K | ﹤0.01% |
74,190
+24,901
| +51% | +$83.3K |
|
4689
MBIA
MBI
$250M
| $207K | ﹤0.01% |
31,676
+14,803
| +88% | +$89.2K |
|
4690
FTAI Infrastructure
FIP
$451M
| $206K | ﹤0.01% |
44,500
-1,600
| -3% | -$7.96K |
|
4691
GrafTech
EAF
$178M
| $206K | ﹤0.01% |
34,870
-28,544
| -45% | -$241K |
|
4692
Radcom
RDCM
$173M
| $206K | ﹤0.01% |
14,588
-15,087
| -51% | -$212K |
|
4693
CALL
Newell Brands
NWL
$2.59B
| $206K | ﹤0.01% |
+33,500
| New | +$142K |
|
4694
Allot
ALLT
$366M
| $206K | ﹤0.01% |
23,227
-26,665
| -53% | -$198K |
|
4695
Pacer Lunt MidCap Multi-Factor Alternator ETF
PAMC
$54.5M
| $205K | ﹤0.01% |
+3,700
| New | +$196K |
|
4696
CALL
BioNTech
BNTX
$29.3B
| $205K | ﹤0.01% |
+2,200
| New | +$207K |
|
4697
CALL
Novartis
NVS
$302B
| $204K | ﹤0.01% |
1,300
-700
| -35% | -$105K |
|
4698
Prestige Consumer Healthcare
PBH
$2.43B
| $203K | ﹤0.01% |
4,300
-2,500
| -37% | -$128K |
|
|
HUYA
4699
Huya Inc
HUYA
$498M
| $203K | ﹤0.01% |
88,371
-93,329
| -51% | -$264K |
|
4700
OrthoPediatrics
KIDS
$670M
| $203K | ﹤0.01% |
+10,598
| New | +$184K |
|
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.