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 | |
|---|---|---|---|---|---|---|
1201
PUT
UnitedHealth
UNH
$358B
| $14.4M | 0.01% |
34,700
+21,700
| +167% | +$8.04M |
|
1202
Tyra Biosciences
TYRA
$1.56B
| $14.4M | 0.01% |
449,808
+348,190
| +343% | +$11.5M |
|
1203
PUT
Netflix
NFLX
$333B
| $14.4M | 0.01% |
201,000
-44,400
| -18% | -$3.91M |
|
1204
Gold Royalty Corp
GROY
$802M
| $14.3M | 0.01% |
5,197,213
+539,707
| +12% | +$1.78M |
|
1205
Newell Brands
NWL
$2.59B
| $14.3M | 0.01% |
2,334,473
+2,296,473
| +6,043% | +$9.71M |
|
|
BBT
1206
Beacon Financial Corp
BBT
$2.65B
| $14.3M | 0.01% |
470,517
-158,188
| -25% | -$4.74M |
|
1207
iShares North American Natural Resources ETF
IGE
$780M
| $14.3M | 0.01% |
+254,900
| New | +$15.4M |
|
1208
PUT
ExxonMobil
XOM
$675B
| $14.3M | 0.01% |
104,700
+9,800
| +10% | +$1.47M |
|
1209
Origin Bancorp
OBK
$1.64B
| $14.3M | 0.01% |
279,516
+63,379
| +29% | +$2.98M |
|
1210
Acadia Realty Trust
AKR
$2.93B
| $14.3M | 0.01% |
683,537
-324,079
| -32% | -$6.93M |
|
|
NFBK
1211
DELISTED
Northfield Bancorp
NFBK
| $14.2M | 0.01% |
967,405
+396,188
| +69% | +$5.61M |
|
1212
CALL
GE Aerospace
GE
$355B
| $14.2M | 0.01% |
38,100
+18,700
| +96% | +$5.85M |
|
|
TPC
1213
Tutor Perini Cor
TPC
$4.64B
| $14.2M | 0.01% |
171,200
-256,886
| -60% | -$20.7M |
|
1214
Ecopetrol
EC
$35.6B
| $14.2M | 0.01% |
996,387
-856,903
| -46% | -$12.4M |
|
1215
Olema Pharmaceuticals
OLMA
$913M
| $14.2M | 0.01% |
1,131,434
-37,987
| -3% | -$509K |
|
1216
Redwire
RDW
$2.84B
| $14.1M | 0.01% |
1,155,032
-1,896,011
| -62% | -$25M |
|
1217
Ferrari
RACE
$74.6B
| $14.1M | 0.01% |
37,933
-207,875
| -85% | -$72.3M |
|
1218
Crane NXT
CXT
$2.87B
| $14.1M | 0.01% |
275,847
-177,315
| -39% | -$7.57M |
|
1219
Vertiv
VRT
$98.2B
| $14.1M | 0.01% |
42,141
-10,030
| -19% | -$3.18M |
|
1220
Maravai LifeSciences
MRVI
$1.26B
| $14.1M | 0.01% |
2,255,820
+675,980
| +43% | +$2.92M |
|
1221
iShares US Financial Services ETF
IYG
$2.23B
| $14.1M | 0.01% |
155,400
-31,500
| -17% | -$2.76M |
|
|
AIV
1222
Aimco
AIV
$378M
| $14M | 0.01% |
4,728,679
+3,923,795
| +487% | +$15M |
|
1223
Cenovus Energy
CVE
$59.3B
| $14M | 0.01% |
564,873
+532,389
| +1,639% | +$14.7M |
|
1224
Skyward Specialty Insurance
SKWD
$2.35B
| $14M | 0.01% |
239,506
-155,661
| -39% | -$7.35M |
|
|
1225
CALL
ExxonMobil
XOM
$675B
| $13.9M | 0.01% |
102,000
-4,600
| -4% | -$688K |
|
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.