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 | |
|---|---|---|---|---|---|---|
2551
CALL
Ciena
CIEN
$56B
| $2.99M | ﹤0.01% |
6,100
+4,200
| +221% | +$2.14M |
|
2552
Vanguard US Multifactor ETF
VFMF
$930M
| $2.99M | ﹤0.01% |
+16,900
| New | +$2.86M |
|
2553
Ameriprise Financial
AMP
$49.1B
| $2.99M | ﹤0.01% |
6,519
-30,952
| -83% | -$14.2M |
|
2554
Equinor
EQNR
$102B
| $2.99M | ﹤0.01% |
95,236
+75,564
| +384% | +$2.82M |
|
2555
CALL
Shell
SHEL
$257B
| $2.99M | ﹤0.01% |
38,500
+32,500
| +542% | +$2.81M |
|
2556
CALL
Caterpillar
CAT
$381B
| $2.98M | ﹤0.01% |
2,800
-3,200
| -53% | -$2.81M |
|
|
NHIVU
2557
NewHold Investment Corp IV Units
NHIVU
| $2.98M | ﹤0.01% |
+290,754
| New | +$2.93M |
|
2558
CALL
Akamai
AKAM
$15.9B
| $2.98M | ﹤0.01% |
+25,200
| New | +$3.14M |
|
2559
Root
ROOT
$864M
| $2.98M | ﹤0.01% |
53,263
+22,828
| +75% | +$1.22M |
|
2560
Fulcrum Therapeutics
FULC
$292M
| $2.97M | ﹤0.01% |
812,766
+673,766
| +485% | +$4.1M |
|
2561
Marcus Corp
MCS
$912M
| $2.97M | ﹤0.01% |
126,542
+58,852
| +87% | +$1.16M |
|
2562
Invesco Large Cap Value ETF
PWV
$1.85B
| $2.96M | ﹤0.01% |
+39,100
| New | +$2.87M |
|
2563
Invesco S&P Spin-Off ETF
CSD
$227M
| $2.95M | ﹤0.01% |
+19,700
| New | +$2.63M |
|
2564
One Stop Systems
OSS
$284M
| $2.95M | ﹤0.01% |
+162,193
| New | +$2.26M |
|
|
ORC
2565
Orchid Island Capital
ORC
$1.33B
| $2.94M | ﹤0.01% |
422,514
-467,658
| -53% | -$3.22M |
|
2566
Stoneridge
SRI
$205M
| $2.94M | ﹤0.01% |
402,194
+14,150
| +4% | +$97.1K |
|
2567
Caledonia Mining Corp
CMCL
$479M
| $2.94M | ﹤0.01% |
153,996
-28,978
| -16% | -$658K |
|
2568
B&G Foods
BGS
$281M
| $2.94M | ﹤0.01% |
738,207
-2,482,982
| -77% | -$11.5M |
|
|
ODTX
2569
Odyssey Therapeutics
ODTX
$1.27B
| $2.93M | ﹤0.01% |
+156,602
| New | +$2.75M |
|
2570
Annexon
ANNX
$961M
| $2.93M | ﹤0.01% |
512,796
+41,405
| +9% | +$229K |
|
2571
PUT
PBF Energy
PBF
$8.72B
| $2.92M | ﹤0.01% |
64,200
+56,200
| +703% | +$2.34M |
|
2572
PUT
Wingstop
WING
$3.14B
| $2.91M | ﹤0.01% |
16,800
+10,800
| +180% | +$1.7M |
|
2573
Mesa Laboratories
MLAB
$698M
| $2.91M | ﹤0.01% |
29,239
+12,880
| +79% | +$1.3M |
|
2574
CALL
CVS Health
CVS
$119B
| $2.91M | ﹤0.01% |
28,100
+13,500
| +92% | +$1.21M |
|
2575
CALL
Costco
COST
$420B
| $2.9M | ﹤0.01% |
3,100
-5,200
| -63% | -$5.18M |
|
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.