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 | |
|---|---|---|---|---|---|---|
4601
Pacer Data and Digital Revolution ETF
TRFK
$1B
| $235K | ﹤0.01% |
+2,200
| New | +$196K |
|
|
AGMB
4602
AgomAb Therapeutics NV
AGMB
$653M
| $235K | ﹤0.01% |
18,072
+3,831
| +27% | +$43.1K |
|
4603
Omnicom Group
OMC
$24B
| $234K | ﹤0.01% |
+3,211
| New | +$242K |
|
4604
Kiora Pharmaceuticals
KPRX
$11.8M
| $234K | ﹤0.01% |
+88,792
| New | +$223K |
|
4605
CALL
Verisk Analytics
VRSK
$24.4B
| $233K | ﹤0.01% |
+1,300
| New | +$229K |
|
|
MRSH
4606
PUT
Marsh
MRSH
$91.6B
| $233K | ﹤0.01% |
1,400
-200
| -13% | -$33.4K |
|
4607
CALL
Verizon
VZ
$205B
| $233K | ﹤0.01% |
5,500
-13,900
| -72% | -$652K |
|
4608
Lightbridge
LTBR
$308M
| $233K | ﹤0.01% |
26,451
-116,185
| -81% | -$1.31M |
|
4609
iShares Russell Top 200 Growth ETF
IWY
$16.1B
| $232K | ﹤0.01% |
800
-301,200
| -100% | -$85M |
|
4610
CALL
NetApp
NTAP
$37.7B
| $232K | ﹤0.01% |
+1,500
| New | +$196K |
|
4611
Finward Bancorp
FNWD
$188M
| $232K | ﹤0.01% |
+6,306
| New | +$211K |
|
4612
Savara
SVRA
$1.15B
| $232K | ﹤0.01% |
37,647
+24,432
| +185% | +$131K |
|
4613
CALL
Gold Fields
GFI
$42.8B
| $232K | ﹤0.01% |
+6,900
| New | +$287K |
|
4614
Gaotu Techedu
GOTU
$401M
| $231K | ﹤0.01% |
139,400
-128,600
| -48% | -$234K |
|
4615
PUT
AB InBev
BUD
$155B
| $231K | ﹤0.01% |
+2,800
| New | +$220K |
|
4616
CALL
Upstart Holdings
UPST
$2.95B
| $230K | ﹤0.01% |
6,500
-8,300
| -56% | -$256K |
|
|
CRESY
4617
Cresud
CRESY
$792M
| $230K | ﹤0.01% |
20,534
-8,300
| -29% | -$95.3K |
|
4618
PUT
Western Alliance Bancorporation
WAL
$8.69B
| $230K | ﹤0.01% |
+2,800
| New | +$221K |
|
4619
PUT
Allegro MicroSystems
ALGM
$6.93B
| $230K | ﹤0.01% |
+3,300
| New | +$154K |
|
4620
CALL
Klaviyo
KVYO
$5.22B
| $230K | ﹤0.01% |
+15,200
| New | +$252K |
|
|
GRO
4621
Brazil Potash Corp
GRO
$153M
| $230K | ﹤0.01% |
106,745
-46,644
| -30% | -$126K |
|
4622
Invesco FTSE RAFI US 1500 Small-Mid ETF
PRFZ
$2.87B
| $229K | ﹤0.01% |
+4,100
| New | +$209K |
|
4623
PUT
Birkenstock
BIRK
$5.89B
| $228K | ﹤0.01% |
5,300
-6,800
| -56% | -$275K |
|
4624
CALL
Coca-Cola
KO
$392B
| $228K | ﹤0.01% |
2,800
-58,300
| -95% | -$4.6M |
|
4625
PUT
Curtiss-Wright
CW
$23.5B
| $227K | ﹤0.01% |
+300
| New | +$220K |
|
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.