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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 | |
|---|---|---|---|---|---|---|---|
2226
Nathan's Famous
NATH
$418M
| $4.2M | ﹤0.01% |
41,367
+2,608
| +7% | +$264K |
2022 Q4
14 quarters
|
|
2227
Telefônica Brasil
VIV
$20.6B
| $4.2M | ﹤0.01% |
318,869
-757,187
| -70% | -$11.1M |
2024 Q2
8 quarters
|
|
2228
Affirm
AFRM
$24.8B
| $4.19M | ﹤0.01% |
+51,322
| New | +$3.35M |
2026 Q2
0 quarters
|
|
2229
OneIM Acquisition Corp
OIM
$365M
| $4.18M | ﹤0.01% |
415,363
| – | – |
2026 Q1
1 quarter
|
|
2230
PUT
Ciena
CIEN
$51.2B
| $4.17M | ﹤0.01% |
8,500
+7,500
| +750% | +$3.82M |
2026 Q1
1 quarter
|
|
2231
Avis
CAR
$3.48B
| $4.16M | ﹤0.01% |
28,140
+13,244
| +89% | +$2.92M |
2024 Q3
7 quarters
|
|
2232
iShares Russell Top 200 Value ETF
IWX
$3.41B
| $4.15M | ﹤0.01% |
+39,500
| New | +$4M |
2026 Q2
0 quarters
|
|
2233
Orion
OEC
$298M
| $4.14M | ﹤0.01% |
624,876
+2,088
| +0.3% | +$15K |
2024 Q4
6 quarters
|
|
2234
D. Boral Acquisition I Corp
DBCA
| $4.14M | ﹤0.01% |
415,363
| – | – |
2026 Q1
1 quarter
|
|
2235
Schneider National
SNDR
$5.42B
| $4.14M | ﹤0.01% |
113,318
-30,886
| -21% | -$1.01M |
2020 Q4
22 quarters
|
|
2236
HomeTrust Bancshares
HTB
$783M
| $4.13M | ﹤0.01% |
82,825
+60,512
| +271% | +$2.8M |
2021 Q2
20 quarters
|
|
2237
Red River Bancshares
RRBI
$661M
| $4.13M | ﹤0.01% |
+45,258
| New | +$4.14M |
2026 Q2
0 quarters
|
|
2238
Cass Information Systems
CASS
$703M
| $4.13M | ﹤0.01% |
80,434
+16,106
| +25% | +$763K |
2023 Q1
13 quarters
|
|
2239
Inflection Point Acquisition Corp VI
IPFX
$339M
| $4.12M | ﹤0.01% |
+398,750
| New | +$4.13M |
2026 Q2
0 quarters
|
|
2240
CALL
Snowflake
SNOW
$114B
| $4.12M | ﹤0.01% |
16,200
-5,800
| -26% | -$1.07M |
2025 Q4
2 quarters
|
|
2241
Daedalus Special Acquisition Corp
DSAC
$344M
| $4.11M | ﹤0.01% |
407,812
| – | – |
2026 Q1
1 quarter
|
|
2242
Cantor Equity Partners V
CEPV
$324M
| $4.11M | ﹤0.01% |
398,750
| – | – |
2025 Q4
2 quarters
|
|
2243
Guardian Pharmacy Services
GRDN
$2.47B
| $4.11M | ﹤0.01% |
98,209
-214,466
| -69% | -$8.3M |
2025 Q2
4 quarters
|
|
2244
EquipmentShare.com Inc
EQPT
$4.27B
| $4.11M | ﹤0.01% |
208,869
-1,191
| -0.6% | -$25.5K |
2026 Q1
1 quarter
|
|
2245
Ecovyst
ECVT
$1.09B
| $4.11M | ﹤0.01% |
329,773
+91,770
| +39% | +$1.24M |
2026 Q1
1 quarter
|
|
2246
Stellantis
STLA
$12.3B
| $4.11M | ﹤0.01% |
+715,244
| New | +$5.29M |
2026 Q2
0 quarters
|
|
2247
Xenia Hotels & Resorts
XHR
$1.81B
| $4.1M | ﹤0.01% |
201,407
+123,507
| +159% | +$2.13M |
2025 Q4
2 quarters
|
|
2248
Stryker
SYK
$114B
| $4.1M | ﹤0.01% |
13,024
-456,191
| -97% | -$144M |
2023 Q2
12 quarters
|
|
2249
Unity Bancorp
UNTY
$570M
| $4.1M | ﹤0.01% |
69,866
+27,795
| +66% | +$1.52M |
2025 Q2
4 quarters
|
|
2250
CALL
Natera
NTRA
$59.6B
| $4.1M | ﹤0.01% |
15,100
+12,100
| +403% | +$2.58M |
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.