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John Overdeck Two Sigma Investments
AUM
$138B
Turnover
29.02%
1-Year Est. Return
41.87%
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.
This Fund
S&P 500
This Quarter Est. Return
+21.14%
1 Year Est. Return
+41.87%
3 Year Est. Return
+122.61%
5 Year Est. Return
+129.48%
10 Year Est. Return
+649.66%
AUM
$138B
AUM Growth
+$14.2B
(+11%)
Cap. Flow
-$5.38B
Cap. Flow % of AUM
Cap. Flow %
-3.9%
Top 10 Holdings %
Top 10 Hldgs %
8.28%
Holding
5,589
New
1,050
Increased
1,919
Reduced
1,756
Closed
572
Avg Time Held
Equity + Options
1.4
years
Top 10 Avg Time Held
Equity + Options
0.2
years
Top 20 Avg Time Held
Equity + Options
0.2
years
Avg Time Held Equity only
1.7
years
Top 10 Avg Time Held Equity only
0.2
years
Top 20 Avg Time Held Equity only
0.2
years
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 |
Sandisk
SNDK
|
+$744M |
| 5 |
Dell
DELL
|
+$688M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 19.7% |
| 2 | Financials | 15.22% |
| 3 | Miscellaneous | 12.05% |
| 4 | Healthcare | 11.94% |
| 5 | Industrials | 11.56% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | Held Since | |
|---|---|---|---|---|---|---|---|
2551
CALL
Ciena
CIEN
$45.8B
| $2.99M | ﹤0.01% |
6,100
+4,200
| +221% | +$2.14M |
2026 Q1
1 quarter
|
|
2552
Vanguard US Multifactor ETF
VFMF
$1.12B
| $2.99M | ﹤0.01% |
+16,900
| New | +$2.86M |
2026 Q2
0 quarters
|
|
2553
Ameriprise Financial
AMP
$43.7B
| $2.99M | ﹤0.01% |
6,519
-30,952
| -83% | -$14.2M |
2026 Q1
1 quarter
|
|
2554
Equinor
EQNR
$108B
| $2.99M | ﹤0.01% |
95,236
+75,564
| +384% | +$2.82M |
2026 Q1
1 quarter
|
|
2555
CALL
Shell
SHEL
$297B
| $2.99M | ﹤0.01% |
38,500
+32,500
| +542% | +$2.81M |
2025 Q4
2 quarters
|
|
2556
CALL
Caterpillar
CAT
$320B
| $2.98M | ﹤0.01% |
2,800
-3,200
| -53% | -$2.81M |
2025 Q4
2 quarters
|
|
|
NHIVU
2557
NewHold Investment Corp IV Units
NHIVU
| $2.98M | ﹤0.01% |
+290,754
| New | +$2.93M |
2026 Q2
0 quarters
|
|
2558
CALL
Akamai
AKAM
$13B
| $2.98M | ﹤0.01% |
+25,200
| New | +$3.14M |
2026 Q2
0 quarters
|
|
2559
Root
ROOT
$833M
| $2.98M | ﹤0.01% |
53,263
+22,828
| +75% | +$1.22M |
2026 Q1
1 quarter
|
|
2560
Fulcrum Therapeutics
FULC
$283M
| $2.97M | ﹤0.01% |
812,766
+673,766
| +485% | +$4.1M |
2026 Q1
1 quarter
|
|
2561
Marcus Corp
MCS
$879M
| $2.97M | ﹤0.01% |
126,542
+58,852
| +87% | +$1.16M |
2025 Q4
2 quarters
|
|
2562
Invesco Large Cap Value ETF
PWV
$1.86B
| $2.96M | ﹤0.01% |
+39,100
| New | +$2.87M |
2026 Q2
0 quarters
|
|
2563
Invesco S&P Spin-Off ETF
CSD
$203M
| $2.95M | ﹤0.01% |
+19,700
| New | +$2.63M |
2026 Q2
0 quarters
|
|
2564
One Stop Systems
OSS
$148M
| $2.95M | ﹤0.01% |
+162,193
| New | +$2.26M |
2026 Q2
0 quarters
|
|
2565
Orchid Island Capital
ORC
$979M
| $2.94M | ﹤0.01% |
422,514
-467,658
| -53% | -$3.22M |
2024 Q2
8 quarters
|
|
2566
Stoneridge
SRI
$169M
| $2.94M | ﹤0.01% |
402,194
+14,150
| +4% | +$97.1K |
2024 Q4
6 quarters
|
|
2567
Caledonia Mining Corp
CMCL
$423M
| $2.94M | ﹤0.01% |
153,996
-28,978
| -16% | -$658K |
2025 Q4
2 quarters
|
|
2568
B&G Foods
BGS
$179M
| $2.94M | ﹤0.01% |
738,207
-2,482,982
| -77% | -$11.5M |
2023 Q1
13 quarters
|
|
2569
Odyssey Therapeutics
ODTX
$919M
| $2.93M | ﹤0.01% |
+156,602
| New | +$2.75M |
2026 Q2
0 quarters
|
|
2570
Annexon
ANNX
$736M
| $2.93M | ﹤0.01% |
512,796
+41,405
| +9% | +$229K |
2025 Q2
4 quarters
|
|
2571
PUT
PBF Energy
PBF
$9.28B
| $2.92M | ﹤0.01% |
64,200
+56,200
| +703% | +$2.34M |
2026 Q1
1 quarter
|
|
2572
PUT
Wingstop
WING
$3.32B
| $2.91M | ﹤0.01% |
16,800
+10,800
| +180% | +$1.7M |
2025 Q4
2 quarters
|
|
2573
Mesa Laboratories
MLAB
$728M
| $2.91M | ﹤0.01% |
29,239
+12,880
| +79% | +$1.3M |
2025 Q3
3 quarters
|
|
2574
CALL
CVS Health
CVS
$120B
| $2.91M | ﹤0.01% |
28,100
+13,500
| +92% | +$1.21M |
2026 Q1
1 quarter
|
|
2575
CALL
Costco
COST
$448B
| $2.9M | ﹤0.01% |
3,100
-5,200
| -63% | -$5.18M |
2026 Q1
1 quarter
|
|
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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 $5.38B 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 Miscellaneous.
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.