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 | |
|---|---|---|---|---|---|---|
2501
DexCom
DXCM
$34.8B
| $3.15M | ﹤0.01% |
46,697
-1,068,251
| -96% | -$71.2M |
|
2502
CALL
First Solar
FSLR
$23B
| $3.14M | ﹤0.01% |
13,300
+8,300
| +166% | +$1.95M |
|
2503
StealthGas
GASS
$358M
| $3.13M | ﹤0.01% |
396,581
-27,853
| -7% | -$262K |
|
|
2504
PUT
Intuit
INTU
$100B
| $3.13M | ﹤0.01% |
12,000
+8,000
| +200% | +$2.79M |
|
|
CUB
2505
Lionheart Holdings
CUB
$284M
| $3.13M | ﹤0.01% |
290,574
-209,426
| -42% | -$2.26M |
|
2506
First Community Bankshares
FCBC
$930M
| $3.13M | ﹤0.01% |
70,423
+28,585
| +68% | +$1.23M |
|
2507
Winmark
WINA
$1.24B
| $3.13M | ﹤0.01% |
7,393
+1,459
| +25% | +$570K |
|
2508
Agilent Technologies
A
$44.9B
| $3.13M | ﹤0.01% |
23,537
-653,810
| -97% | -$79.7M |
|
2509
Everest Group
EG
$14.2B
| $3.12M | ﹤0.01% |
8,746
-42,270
| -83% | -$14.5M |
|
|
SEZL
2510
PUT
Sezzle
SEZL
$4.01B
| $3.12M | ﹤0.01% |
+18,200
| New | +$1.92M |
|
2511
Invesco KBW Premium Yield Equity REIT ETF
KBWY
$314M
| $3.12M | ﹤0.01% |
168,147
| – | – |
|
|
GRMN
2512
Garmin
GRMN
$56.9B
| $3.12M | ﹤0.01% |
13,128
-63,554
| -83% | -$15.5M |
|
|
APO.PRA
2513
DELISTED
Apollo Global Management Series A
APO.PRA
| $3.12M | ﹤0.01% |
51,154
-1,519,254
| -97% | -$98.4M |
|
2514
Sylvamo
SLVM
$1.46B
| $3.11M | ﹤0.01% |
82,377
+73,627
| +841% | +$2.99M |
|
2515
Allient
ALNT
$1.63B
| $3.11M | ﹤0.01% |
30,247
-27,568
| -48% | -$2.13M |
|
2516
Park Aerospace
PKE
$737M
| $3.11M | ﹤0.01% |
81,462
+33,193
| +69% | +$1.1M |
|
2517
PUT
Oneok
OKE
$58.8B
| $3.1M | ﹤0.01% |
35,700
+27,900
| +358% | +$2.46M |
|
|
ASIC
2518
Ategrity Specialty Insurance
ASIC
$1.24B
| $3.09M | ﹤0.01% |
128,737
-29,354
| -19% | -$602K |
|
2519
CALL
Visa
V
$693B
| $3.09M | ﹤0.01% |
+9,000
| New | +$2.89M |
|
2520
VanEck BDC Income ETF
BIZD
$1.7B
| $3.09M | ﹤0.01% |
243,900
-1,878,000
| -89% | -$23.8M |
|
2521
Cartesian Therapeutics
RNAC
$304M
| $3.09M | ﹤0.01% |
296,293
+128,980
| +77% | +$955K |
|
2522
PVH
PVH
$3.62B
| $3.08M | ﹤0.01% |
41,512
-9,971
| -19% | -$854K |
|
2523
Novanta
NOVT
$5.49B
| $3.08M | ﹤0.01% |
18,998
+7,380
| +64% | +$1.07M |
|
2524
PUT
PG&E
PCG
$38.8B
| $3.07M | ﹤0.01% |
182,600
| – | – |
|
2525
A.O. Smith
AOS
$8.57B
| $3.07M | ﹤0.01% |
48,900
+7,200
| +17% | +$436K |
|
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.