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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
+649.67%
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 | |
|---|---|---|---|---|---|---|---|
4401
AMC Entertainment Holdings
AMC
$2.66B
| $320K | ﹤0.01% |
168,647
+41,333
| +32% | +$71.1K |
2026 Q1
1 quarter
|
|
4402
Franklin Income Equity Focus ETF
INCE
$361M
| $320K | ﹤0.01% |
+4,800
| New | +$320K |
2026 Q2
0 quarters
|
|
4403
PUT
Raymond James Financial
RJF
$29.5B
| $319K | ﹤0.01% |
+2,100
| New | +$319K |
2026 Q2
0 quarters
|
|
4404
Horizon Technology Finance
HRZN
$276M
| $319K | ﹤0.01% |
67,489
-82,690
| -55% | -$358K |
2025 Q4
2 quarters
|
|
4405
CALL
Kinross Gold
KGC
$28.1B
| $317K | ﹤0.01% |
13,400
+5,400
| +68% | +$159K |
2026 Q1
1 quarter
|
|
4406
CALL
PPG Industries
PPG
$23.9B
| $315K | ﹤0.01% |
+2,600
| New | +$290K |
2026 Q2
0 quarters
|
|
4407
Invesco S&P 500 Top 50 ETF
XLG
$11.8B
| $315K | ﹤0.01% |
5,150
-208,300
| -98% | -$12.7M |
2026 Q1
1 quarter
|
|
4408
PUT
Under Armour
UAA
$2.04B
| $315K | ﹤0.01% |
49,300
+23,000
| +87% | +$136K |
2026 Q1
1 quarter
|
|
4409
Dyne Therapeutics
DYN
$2.84B
| $315K | ﹤0.01% |
+14,178
| New | +$264K |
2026 Q2
0 quarters
|
|
4410
CALL
Hubbell
HUBB
$24.6B
| $314K | ﹤0.01% |
600
| – | – |
2026 Q1
1 quarter
|
|
4411
PUT
Pan American Silver
PAAS
$18.4B
| $314K | ﹤0.01% |
+7,000
| New | +$375K |
2026 Q2
0 quarters
|
|
4412
CALL
VICI Properties
VICI
$25.4B
| $313K | ﹤0.01% |
+11,800
| New | +$331K |
2026 Q2
0 quarters
|
|
4413
Zhihu
ZH
$288M
| $311K | ﹤0.01% |
99,458
+85,090
| +592% | +$273K |
2025 Q4
2 quarters
|
|
4414
Vinci Compass Investments Ltd
VINP
$720M
| $311K | ﹤0.01% |
31,971
-71,067
| -69% | -$738K |
2025 Q2
4 quarters
|
|
4415
PUT
WESCO International
WCC
$16.7B
| $311K | ﹤0.01% |
900
-2,100
| -70% | -$713K |
2025 Q4
2 quarters
|
|
4416
Elanco Animal Health
ELAN
$11.7B
| $311K | ﹤0.01% |
+12,622
| New | +$292K |
2026 Q2
0 quarters
|
|
4417
CALL
Northern Oil and Gas
NOG
$2.96B
| $310K | ﹤0.01% |
+17,100
| New | +$405K |
2026 Q2
0 quarters
|
|
4418
Generate Biomedicines
GENB
$1.61B
| $310K | ﹤0.01% |
+18,374
| New | +$250K |
2026 Q2
0 quarters
|
|
4419
Nuveen Core Equity Alpha Fund
JCE
$290M
| $310K | ﹤0.01% |
18,921
| – | – |
2026 Q1
1 quarter
|
|
4420
Align Technology
ALGN
$10.6B
| $309K | ﹤0.01% |
1,835
-41,875
| -96% | -$7.27M |
2025 Q3
3 quarters
|
|
4421
GS ActiveBeta US Small Cap Equity ETF
GSSC
$1.03B
| $309K | ﹤0.01% |
+3,386
| New | +$285K |
2026 Q2
0 quarters
|
|
4422
PUT
Truist Financial
TFC
$56.6B
| $309K | ﹤0.01% |
+6,200
| New | +$305K |
2026 Q2
0 quarters
|
|
4423
Azenta
AZTA
$1.53B
| $309K | ﹤0.01% |
+12,100
| New | +$271K |
2026 Q2
0 quarters
|
|
4424
Invesco International Dividend Achievers ETF
PID
$870M
| $309K | ﹤0.01% |
13,900
+400
| +3% | +$9.11K |
2026 Q1
1 quarter
|
|
4425
JPMorgan Diversified Return US Equity ETF
JPUS
$457M
| $309K | ﹤0.01% |
+2,200
| New | +$301K |
2026 Q2
0 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.