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 | |
|---|---|---|---|---|---|---|
3226
Chemung Financial Corp
CHMG
$399M
| $1.45M | ﹤0.01% |
+19,488
| New | +$1.31M |
|
3227
Towne Bank
TOWN
$3.49B
| $1.45M | ﹤0.01% |
40,103
-53,942
| -57% | -$1.88M |
|
3228
Alpha Metallurgical Resources
AMR
$2.66B
| $1.45M | ﹤0.01% |
8,801
+3,454
| +65% | +$658K |
|
3229
CALL
Charter Communications
CHTR
$17.9B
| $1.45M | ﹤0.01% |
10,200
+2,500
| +32% | +$417K |
|
|
BRKHU
3230
Burtech Acquisition Corp II Unit
BRKHU
| $1.45M | ﹤0.01% |
+145,000
| New | +$1.45M |
|
3231
CALL
General Motors
GM
$77.2B
| $1.45M | ﹤0.01% |
18,800
-40,100
| -68% | -$3.15M |
|
3232
ZTO Express
ZTO
$16.2B
| $1.45M | ﹤0.01% |
+64,627
| New | +$1.54M |
|
3233
PUT
Morgan Stanley
MS
$336B
| $1.44M | ﹤0.01% |
6,900
-2,100
| -23% | -$416K |
|
3234
Immuneering
IMRX
$343M
| $1.44M | ﹤0.01% |
288,420
+43,649
| +18% | +$221K |
|
|
UCB
3235
United Community Banks
UCB
$4.29B
| $1.43M | ﹤0.01% |
40,893
+24,293
| +146% | +$812K |
|
3236
Malibu Boats
MBUU
$579M
| $1.43M | ﹤0.01% |
52,275
+12,308
| +31% | +$327K |
|
3237
iShares MSCI USA Small-Cap Min Vol Factor ETF
SMMV
$293M
| $1.43M | ﹤0.01% |
31,100
-5,500
| -15% | -$246K |
|
3238
PUT
Altria Group
MO
$110B
| $1.43M | ﹤0.01% |
19,900
+16,200
| +438% | +$1.13M |
|
3239
InfuSystem Holdings
INFU
$243M
| $1.43M | ﹤0.01% |
148,347
-37,064
| -20% | -$351K |
|
3240
CALL
CoStar Group
CSGP
$13.1B
| $1.43M | ﹤0.01% |
50,500
-1,500
| -3% | -$51.6K |
|
3241
Credit Acceptance
CACC
$6.24B
| $1.43M | ﹤0.01% |
2,240
-1,560
| -41% | -$835K |
|
|
INFQ
3242
Infleqtion Inc
INFQ
$3.18B
| $1.43M | ﹤0.01% |
+107,040
| New | +$1.47M |
|
3243
Innovative Industrial Properties
IIPR
$1.56B
| $1.42M | ﹤0.01% |
22,900
+10,000
| +78% | +$561K |
|
|
VNET
3244
VNET Group
VNET
$1.91B
| $1.42M | ﹤0.01% |
176,500
-1,231,800
| -87% | -$11.2M |
|
3245
CALL
Fastenal
FAST
$58.8B
| $1.42M | ﹤0.01% |
29,500
+3,200
| +12% | +$145K |
|
3246
Millicom
TIGO
$15.7B
| $1.42M | ﹤0.01% |
15,600
-16,300
| -51% | -$1.37M |
|
3247
Tactile Systems Technology
TCMD
$540M
| $1.41M | ﹤0.01% |
47,421
-12,624
| -21% | -$317K |
|
3248
Invesco S&P 500 Equal Weight Financials ETF
RSPF
$310M
| $1.41M | ﹤0.01% |
18,210
+1,210
| +7% | +$91.5K |
|
|
FRVO
3249
Fervo Energy
FRVO
$4.99B
| $1.41M | ﹤0.01% |
+48,215
| New | +$1.74M |
|
3250
WisdomTree US Multifactor Fund
USMF
$288M
| $1.41M | ﹤0.01% |
25,904
+19,604
| +311% | +$1.02M |
|
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.