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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 | |
|---|---|---|---|---|---|---|---|
4601
Pacer Data and Digital Revolution ETF
TRFK
$1.07B
| $235K | ﹤0.01% |
+2,200
| New | +$196K |
2026 Q2
0 quarters
|
|
4602
AgomAb Therapeutics NV
AGMB
$415M
| $235K | ﹤0.01% |
18,072
+3,831
| +27% | +$43.1K |
2026 Q1
1 quarter
|
|
4603
Omnicom Group
OMC
$21.8B
| $234K | ﹤0.01% |
+3,211
| New | +$242K |
2026 Q2
0 quarters
|
|
4604
Kiora Pharmaceuticals
KPRX
$10.4M
| $234K | ﹤0.01% |
+88,792
| New | +$223K |
2026 Q2
0 quarters
|
|
4605
CALL
Verisk Analytics
VRSK
$24.6B
| $233K | ﹤0.01% |
+1,300
| New | +$229K |
2026 Q2
0 quarters
|
|
4606
PUT
Marsh
MRSH
$90B
| $233K | ﹤0.01% |
1,400
-200
| -13% | -$33.4K |
2026 Q1
1 quarter
|
|
4607
CALL
Verizon
VZ
$184B
| $233K | ﹤0.01% |
5,500
-13,900
| -72% | -$652K |
2025 Q3
3 quarters
|
|
4608
Lightbridge
LTBR
$185M
| $233K | ﹤0.01% |
26,451
-116,185
| -81% | -$1.31M |
2024 Q4
6 quarters
|
|
4609
iShares Russell Top 200 Growth ETF
IWY
$16.3B
| $232K | ﹤0.01% |
800
-301,200
| -100% | -$85M |
2023 Q3
11 quarters
|
|
4610
CALL
NetApp
NTAP
$40.5B
| $232K | ﹤0.01% |
+1,500
| New | +$196K |
2026 Q2
0 quarters
|
|
4611
Finward Bancorp
FNWD
$181M
| $232K | ﹤0.01% |
+6,306
| New | +$211K |
2026 Q2
0 quarters
|
|
4612
Savara
SVRA
$951M
| $232K | ﹤0.01% |
37,647
+24,432
| +185% | +$131K |
2026 Q1
1 quarter
|
|
4613
CALL
Gold Fields
GFI
$32.8B
| $232K | ﹤0.01% |
+6,900
| New | +$287K |
2026 Q2
0 quarters
|
|
4614
Gaotu Techedu
GOTU
$623M
| $231K | ﹤0.01% |
139,400
-128,600
| -48% | -$234K |
2026 Q1
1 quarter
|
|
4615
PUT
AB InBev
BUD
$163B
| $231K | ﹤0.01% |
+2,800
| New | +$220K |
2026 Q2
0 quarters
|
|
4616
CALL
Upstart Holdings
UPST
$2.24B
| $230K | ﹤0.01% |
6,500
-8,300
| -56% | -$256K |
2025 Q4
2 quarters
|
|
4617
Cresud
CRESY
$801M
| $230K | ﹤0.01% |
20,534
-8,300
| -29% | -$95.3K |
2025 Q2
4 quarters
|
|
4618
PUT
Western Alliance Bancorporation
WAL
$8.05B
| $230K | ﹤0.01% |
+2,800
| New | +$221K |
2026 Q2
0 quarters
|
|
4619
PUT
Allegro MicroSystems
ALGM
$6.15B
| $230K | ﹤0.01% |
+3,300
| New | +$154K |
2026 Q2
0 quarters
|
|
4620
CALL
Klaviyo
KVYO
$4.96B
| $230K | ﹤0.01% |
+15,200
| New | +$252K |
2026 Q2
0 quarters
|
|
4621
Brazil Potash Corp
GRO
$126M
| $230K | ﹤0.01% |
106,745
-46,644
| -30% | -$126K |
2025 Q4
2 quarters
|
|
4622
Invesco FTSE RAFI US 1500 Small-Mid ETF
PRFZ
$2.61B
| $229K | ﹤0.01% |
+4,100
| New | +$209K |
2026 Q2
0 quarters
|
|
4623
PUT
Birkenstock
BIRK
$5.4B
| $228K | ﹤0.01% |
5,300
-6,800
| -56% | -$275K |
2026 Q1
1 quarter
|
|
4624
CALL
Coca-Cola
KO
$404B
| $228K | ﹤0.01% |
2,800
-58,300
| -95% | -$4.6M |
2025 Q3
3 quarters
|
|
4625
PUT
Curtiss-Wright
CW
$18.4B
| $227K | ﹤0.01% |
+300
| New | +$220K |
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.