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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 | |
|---|---|---|---|---|---|---|---|
2201
US Foods
USFD
$22.1B
| $4.32M | ﹤0.01% |
42,247
-20,600
| -33% | -$1.84M |
2025 Q4
2 quarters
|
|
2202
Editas Medicine
EDIT
$385M
| $4.32M | ﹤0.01% |
1,332,976
-216,087
| -14% | -$632K |
2018 Q2
32 quarters
|
|
2203
Siddhi Acquisition Corp
SDHI
| $4.32M | ﹤0.01% |
415,579
| – | – |
2025 Q2
4 quarters
|
|
2204
PUT
lululemon athletica
LULU
$11.4B
| $4.3M | ﹤0.01% |
37,700
-75,300
| -67% | -$10.1M |
2025 Q4
2 quarters
|
|
2205
MFA Financial
MFA
$674M
| $4.29M | ﹤0.01% |
442,738
-670,273
| -60% | -$6.5M |
2023 Q3
11 quarters
|
|
2206
CALL
Celsius Holdings
CELH
$7.14B
| $4.28M | ﹤0.01% |
146,300
+71,600
| +96% | +$2.26M |
2025 Q3
3 quarters
|
|
2207
Zimmer Biomet
ZBH
$18.4B
| $4.28M | ﹤0.01% |
49,754
+17,794
| +56% | +$1.56M |
2025 Q3
3 quarters
|
|
2208
Ambev
ABEV
$51B
| $4.27M | ﹤0.01% |
1,360,604
-657,200
| -33% | -$2.05M |
2022 Q4
14 quarters
|
|
2209
South Plains Financial
SPFI
$833M
| $4.27M | ﹤0.01% |
99,122
-74,263
| -43% | -$3.1M |
2022 Q3
15 quarters
|
|
2210
RenaissanceRe
RNR
$14.9B
| $4.27M | ﹤0.01% |
13,473
-7,120
| -35% | -$2.14M |
2024 Q3
7 quarters
|
|
2211
Telos
TLS
$348M
| $4.26M | ﹤0.01% |
926,147
-425,428
| -31% | -$1.88M |
2025 Q2
4 quarters
|
|
2212
KraneShares CSI China Internet ETF
KWEB
$4.31B
| $4.26M | ﹤0.01% |
+174,006
| New | +$4.82M |
2026 Q2
0 quarters
|
|
2213
Maplebear
CART
$12.2B
| $4.25M | ﹤0.01% |
89,675
-625
| -0.7% | -$26.1K |
2026 Q1
1 quarter
|
|
2214
HighPeak Energy
HPK
$1.37B
| $4.24M | ﹤0.01% |
607,061
+209,031
| +53% | +$1.44M |
2025 Q4
2 quarters
|
|
2215
Power Solutions International
PSIX
$1.12B
| $4.24M | ﹤0.01% |
108,961
+62,590
| +135% | +$3.44M |
2025 Q1
5 quarters
|
|
2216
Invesco S&P 500 Pure Value ETF
RPV
$1.7B
| $4.23M | ﹤0.01% |
+37,200
| New | +$4.15M |
2026 Q2
0 quarters
|
|
2217
CALL
Philip Morris
PM
$311B
| $4.23M | ﹤0.01% |
23,400
+19,200
| +457% | +$3.33M |
2026 Q1
1 quarter
|
|
2218
PUT
Texas Instruments
TXN
$257B
| $4.23M | ﹤0.01% |
14,200
-33,900
| -70% | -$9.4M |
2025 Q3
3 quarters
|
|
2219
Flowserve
FLS
$8.51B
| $4.23M | ﹤0.01% |
57,071
-354,630
| -86% | -$27M |
2025 Q1
5 quarters
|
|
2220
PUT
Twilio
TWLO
$39.3B
| $4.23M | ﹤0.01% |
20,500
+18,400
| +876% | +$3.26M |
2025 Q4
2 quarters
|
|
2221
Arcosa
ACA
$7.32B
| $4.23M | ﹤0.01% |
29,083
+15,583
| +115% | +$1.94M |
2026 Q1
1 quarter
|
|
2222
Algoma Steel
ASTL
$464M
| $4.22M | ﹤0.01% |
1,041,811
+771,911
| +286% | +$3.71M |
2026 Q1
1 quarter
|
|
2223
Aptiv
APTV
$9.16B
| $4.22M | ﹤0.01% |
68,738
+61,338
| +829% | +$3.75M |
2026 Q1
1 quarter
|
|
2224
BKV Corp
BKV
$2.39B
| $4.22M | ﹤0.01% |
154,129
-211,962
| -58% | -$5.83M |
2025 Q3
3 quarters
|
|
2225
Eton Pharmaceutcials
ETON
$1.39B
| $4.21M | ﹤0.01% |
116,291
+9,898
| +9% | +$290K |
2024 Q4
6 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.