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 | |
|---|---|---|---|---|---|---|
701
Globant
GLOB
$1.71B
| $34.1M | 0.02% |
1,179,522
+939,960
| +392% | +$37.6M |
|
702
InterDigital
IDCC
$8.8B
| $34.1M | 0.02% |
120,543
-122,894
| -50% | -$36.5M |
|
703
Ferrovial N.V. Ordinary Shares
FER
$45.3B
| $34M | 0.02% |
495,235
+246,161
| +99% | +$16.8M |
|
|
EFXT
704
Enerflex
EFXT
$2.43B
| $33.9M | 0.02% |
1,383,928
+36,278
| +3% | +$905K |
|
705
PUT
Apple
AAPL
$4.54T
| $33.9M | 0.02% |
117,200
+48,500
| +71% | +$13.9M |
|
|
MRSH
706
Marsh
MRSH
$92.3B
| $33.7M | 0.02% |
202,263
-474,356
| -70% | -$79.3M |
|
707
Graphic Packaging
GPK
$3.46B
| $33.7M | 0.02% |
3,185,527
+321,527
| +11% | +$3.28M |
|
|
MPT
708
Medical Properties Trust
MPT
$2.45B
| $33.7M | 0.02% |
7,284,796
-1,115,926
| -13% | -$5.53M |
|
709
CALL
GE Vernova
GEV
$250B
| $33.6M | 0.02% |
28,600
+10,700
| +60% | +$10.9M |
|
710
Invesco S&P MidCap Momentum ETF
XMMO
$7.35B
| $33.5M | 0.02% |
+196,900
| New | +$32.1M |
|
711
Preferred Bank
PFBC
$1.24B
| $33.5M | 0.02% |
315,265
+130,540
| +71% | +$12.5M |
|
712
First Majestic Silver
AG
$10.5B
| $33.5M | 0.02% |
1,973,532
+1,121,284
| +132% | +$22.2M |
|
713
MoonLake Immunotherapeutics
MLTX
$1.33B
| $33.4M | 0.02% |
1,715,349
+593,037
| +53% | +$10.8M |
|
|
SOMN
714
The Southern Company 2025 Series A Corp Units
SOMN
| $33.2M | 0.02% |
+667,275
| New | +$33.8M |
|
|
GOLD
715
Gold.com Inc
GOLD
$1.34B
| $33.2M | 0.02% |
797,184
-61,706
| -7% | -$2.65M |
|
716
United Parcel Service
UPS
$87.1B
| $33.1M | 0.02% |
307,528
+128,938
| +72% | +$13.4M |
|
717
PUT
ASML
ASML
$672B
| $33M | 0.02% |
16,600
+11,600
| +232% | +$18.5M |
|
718
iShares MSCI Canada ETF
EWC
$6.88B
| $33M | 0.02% |
+572,913
| New | +$33.2M |
|
719
Trinity Capital Inc
TRIN
$1.73B
| $33M | 0.02% |
1,844,897
+1,285,450
| +230% | +$21.2M |
|
|
MIAX
720
Miami International Holdings
MIAX
$4.21B
| $33M | 0.02% |
888,109
-5,609
| -0.6% | -$251K |
|
721
Omnicell
OMCL
$1.62B
| $33M | 0.02% |
794,781
-257,020
| -24% | -$10.4M |
|
722
State Street SPDR S&P Bank ETF
KBE
$1.71B
| $32.8M | 0.02% |
480,940
-493,500
| -51% | -$31.6M |
|
723
Cousins Properties
CUZ
$4.91B
| $32.7M | 0.02% |
1,090,361
-383,091
| -26% | -$10M |
|
724
CALL
Eli Lilly
LLY
$1.11T
| $32.6M | 0.02% |
27,200
+22,200
| +444% | +$22.7M |
|
725
PUT
Nike
NKE
$60.8B
| $32.6M | 0.02% |
794,100
+419,100
| +112% | +$18.4M |
|
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.