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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 | |
|---|---|---|---|---|---|---|---|
3226
Chemung Financial Corp
CHMG
$401M
| $1.45M | ﹤0.01% |
+19,488
| New | +$1.31M |
2026 Q2
0 quarters
|
|
3227
Towne Bank
TOWN
$3.36B
| $1.45M | ﹤0.01% |
40,103
-53,942
| -57% | -$1.88M |
2021 Q2
20 quarters
|
|
3228
Alpha Metallurgical Resources
AMR
$2.02B
| $1.45M | ﹤0.01% |
8,801
+3,454
| +65% | +$658K |
2025 Q3
3 quarters
|
|
3229
CALL
Charter Communications
CHTR
$12.8B
| $1.45M | ﹤0.01% |
10,200
+2,500
| +32% | +$417K |
2025 Q4
2 quarters
|
|
3230
Burtech Acquisition Corp II Unit
BRKHU
| $1.45M | ﹤0.01% |
+145,000
| New | +$1.45M |
2026 Q2
0 quarters
|
|
3231
CALL
General Motors
GM
$67.7B
| $1.45M | ﹤0.01% |
18,800
-40,100
| -68% | -$3.15M |
2025 Q4
2 quarters
|
|
3232
ZTO Express
ZTO
$15B
| $1.45M | ﹤0.01% |
+64,627
| New | +$1.54M |
2026 Q2
0 quarters
|
|
3233
PUT
Morgan Stanley
MS
$289B
| $1.44M | ﹤0.01% |
6,900
-2,100
| -23% | -$416K |
2025 Q4
2 quarters
|
|
3234
Immuneering
IMRX
$246M
| $1.44M | ﹤0.01% |
288,420
+43,649
| +18% | +$221K |
2024 Q2
8 quarters
|
|
3235
United Community Banks
UCB
$4.49B
| $1.43M | ﹤0.01% |
40,893
+24,293
| +146% | +$812K |
2026 Q1
1 quarter
|
|
3236
Malibu Boats
MBUU
$446M
| $1.43M | ﹤0.01% |
52,275
+12,308
| +31% | +$327K |
2025 Q2
4 quarters
|
|
3237
iShares MSCI USA Small-Cap Min Vol Factor ETF
SMMV
$281M
| $1.43M | ﹤0.01% |
31,100
-5,500
| -15% | -$246K |
2025 Q4
2 quarters
|
|
3238
PUT
Altria Group
MO
$127B
| $1.43M | ﹤0.01% |
19,900
+16,200
| +438% | +$1.13M |
2025 Q3
3 quarters
|
|
3239
InfuSystem Holdings
INFU
$282M
| $1.43M | ﹤0.01% |
148,347
-37,064
| -20% | -$351K |
2024 Q3
7 quarters
|
|
3240
CALL
CoStar Group
CSGP
$14.4B
| $1.43M | ﹤0.01% |
50,500
-1,500
| -3% | -$51.6K |
2025 Q4
2 quarters
|
|
3241
Credit Acceptance
CACC
$5.8B
| $1.43M | ﹤0.01% |
2,240
-1,560
| -41% | -$835K |
2022 Q3
15 quarters
|
|
3242
Infleqtion Inc
INFQ
$1.98B
| $1.43M | ﹤0.01% |
+107,040
| New | +$1.47M |
2026 Q2
0 quarters
|
|
3243
Innovative Industrial Properties
IIPR
$1.5B
| $1.42M | ﹤0.01% |
22,900
+10,000
| +78% | +$561K |
2026 Q1
1 quarter
|
|
3244
VNET Group
VNET
$1.08B
| $1.42M | ﹤0.01% |
176,500
-1,231,800
| -87% | -$11.2M |
2026 Q1
1 quarter
|
|
3245
CALL
Fastenal
FAST
$60.5B
| $1.42M | ﹤0.01% |
29,500
+3,200
| +12% | +$145K |
2025 Q3
3 quarters
|
|
3246
Millicom
TIGO
$13.4B
| $1.42M | ﹤0.01% |
15,600
-16,300
| -51% | -$1.37M |
2024 Q2
8 quarters
|
|
3247
Tactile Systems Technology
TCMD
$533M
| $1.41M | ﹤0.01% |
47,421
-12,624
| -21% | -$317K |
2025 Q4
2 quarters
|
|
3248
Invesco S&P 500 Equal Weight Financials ETF
RSPF
$401M
| $1.41M | ﹤0.01% |
18,210
+1,210
| +7% | +$91.5K |
2026 Q1
1 quarter
|
|
3249
Fervo Energy
FRVO
$2.43B
| $1.41M | ﹤0.01% |
+48,215
| New | +$1.74M |
2026 Q2
0 quarters
|
|
3250
WisdomTree US Multifactor Fund
USMF
$259M
| $1.41M | ﹤0.01% |
25,904
+19,604
| +311% | +$1.02M |
2025 Q3
3 quarters
|
|
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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.