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 | |
|---|---|---|---|---|---|---|
1476
Green Dot
GDOT
$768M
| $9.67M | 0.01% |
715,659
+166,692
| +30% | +$2.09M |
|
|
1477
CALL
Wells Fargo
WFC
$257B
| $9.66M | 0.01% |
116,900
+44,900
| +62% | +$3.61M |
|
1478
Nordson
NDSN
$18.6B
| $9.65M | 0.01% |
31,996
-138,992
| -81% | -$39.4M |
|
1479
Hafnia
HAFN
$4.03B
| $9.64M | 0.01% |
1,451,589
+1,409,630
| +3,360% | +$11.4M |
|
1480
Barings BDC
BBDC
$985M
| $9.63M | 0.01% |
1,129,980
+150,647
| +15% | +$1.29M |
|
1481
Eaton
ETN
$160B
| $9.6M | 0.01% |
22,520
-14,640
| -39% | -$5.9M |
|
1482
Zoom
ZM
$31.2B
| $9.58M | 0.01% |
110,991
-149,770
| -57% | -$14.2M |
|
1483
Valley National Bancorp
VLY
$7.84B
| $9.58M | 0.01% |
653,730
+29,300
| +5% | +$398K |
|
|
NAVN
1484
Navan Inc
NAVN
$7.51B
| $9.57M | 0.01% |
+418,265
| New | +$7.66M |
|
1485
Graham Corp
GHM
$1.15B
| $9.56M | 0.01% |
77,263
+69,534
| +900% | +$6.9M |
|
1486
Cameco
CCJ
$44.7B
| $9.56M | 0.01% |
93,815
-114,038
| -55% | -$12.8M |
|
1487
Sprouts Farmers Market
SFM
$7.75B
| $9.52M | 0.01% |
112,599
-117,357
| -51% | -$9.49M |
|
1488
FIVE9
FIVN
$2.47B
| $9.5M | 0.01% |
445,487
-148,955
| -25% | -$2.94M |
|
1489
iShares Russell 1000 Value ETF
IWD
$84.1B
| $9.5M | 0.01% |
39,173
-292,073
| -88% | -$68M |
|
|
PURR
1490
Hyperliquid Strategies Inc
PURR
$2.22B
| $9.48M | 0.01% |
+1,204,303
| New | +$8.91M |
|
1491
CALL
Seagate
STX
$181B
| $9.46M | 0.01% |
9,800
-10,200
| -51% | -$7.78M |
|
1492
Tractor Supply
TSCO
$18.8B
| $9.45M | 0.01% |
299,024
+269,487
| +912% | +$9.32M |
|
|
AHRT
1493
AH Realty Trust
AHRT
$501M
| $9.45M | 0.01% |
1,334,070
+661,657
| +98% | +$4.25M |
|
1494
ExxonMobil
XOM
$673B
| $9.44M | 0.01% |
+69,046
| New | +$10.3M |
|
1495
Blackstone
BX
$109B
| $9.44M | 0.01% |
80,204
-431,159
| -84% | -$51.8M |
|
1496
PNC Financial Services
PNC
$97.5B
| $9.42M | 0.01% |
38,258
-328,699
| -90% | -$73.6M |
|
1497
Seneca Foods Class A
SENEA
$1.33B
| $9.42M | 0.01% |
54,152
+3,578
| +7% | +$532K |
|
1498
Douglas Dynamics
PLOW
$969M
| $9.4M | 0.01% |
174,190
-33,568
| -16% | -$1.55M |
|
1499
Heritage Insurance Holdings
HRTG
$1.04B
| $9.39M | 0.01% |
359,975
+85,433
| +31% | +$2.13M |
|
|
EFC
1500
Ellington Financial
EFC
$1.76B
| $9.38M | 0.01% |
689,244
+656,544
| +2,008% | +$8.69M |
|
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.