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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 | |
|---|---|---|---|---|---|---|---|
2501
DexCom
DXCM
$29.6B
| $3.15M | ﹤0.01% |
46,697
-1,068,251
| -96% | -$71.2M |
2022 Q4
14 quarters
|
|
2502
CALL
First Solar
FSLR
$18.4B
| $3.14M | ﹤0.01% |
13,300
+8,300
| +166% | +$1.95M |
2025 Q3
3 quarters
|
|
2503
StealthGas
GASS
$305M
| $3.13M | ﹤0.01% |
396,581
-27,853
| -7% | -$262K |
2022 Q3
15 quarters
|
|
|
2504
PUT
Intuit
INTU
$94.8B
| $3.13M | ﹤0.01% |
12,000
+8,000
| +200% | +$2.79M |
2025 Q4
2 quarters
|
|
2505
Lionheart Holdings
CUB
$286M
| $3.13M | ﹤0.01% |
290,574
-209,426
| -42% | -$2.26M |
2024 Q3
7 quarters
|
|
2506
First Community Bankshares
FCBC
$930M
| $3.13M | ﹤0.01% |
70,423
+28,585
| +68% | +$1.23M |
2025 Q3
3 quarters
|
|
2507
Winmark
WINA
$1.03B
| $3.13M | ﹤0.01% |
7,393
+1,459
| +25% | +$570K |
2025 Q2
4 quarters
|
|
2508
Agilent Technologies
A
$49B
| $3.13M | ﹤0.01% |
23,537
-653,810
| -97% | -$79.7M |
2024 Q2
8 quarters
|
|
2509
Everest Group
EG
$15.6B
| $3.12M | ﹤0.01% |
8,746
-42,270
| -83% | -$14.5M |
2022 Q4
14 quarters
|
|
2510
PUT
Sezzle
SEZL
$4.71B
| $3.12M | ﹤0.01% |
+18,200
| New | +$1.92M |
2026 Q2
0 quarters
|
|
2511
Invesco KBW Premium Yield Equity REIT ETF
KBWY
$288M
| $3.12M | ﹤0.01% |
168,147
| – | – |
2025 Q4
2 quarters
|
|
2512
Garmin
GRMN
$57B
| $3.12M | ﹤0.01% |
13,128
-63,554
| -83% | -$15.5M |
2025 Q4
2 quarters
|
|
2513
DELISTED
Apollo Global Management Series A
APO.PRA
| $3.12M | ﹤0.01% |
51,154
-1,519,254
| -97% | -$98.4M |
2024 Q3
7 quarters
|
|
2514
Sylvamo
SLVM
$1.29B
| $3.11M | ﹤0.01% |
82,377
+73,627
| +841% | +$2.99M |
2024 Q4
6 quarters
|
|
2515
Allient
ALNT
$1.47B
| $3.11M | ﹤0.01% |
30,247
-27,568
| -48% | -$2.13M |
2023 Q1
13 quarters
|
|
2516
Park Aerospace
PKE
$556M
| $3.11M | ﹤0.01% |
81,462
+33,193
| +69% | +$1.1M |
2023 Q1
13 quarters
|
|
2517
PUT
Oneok
OKE
$59.2B
| $3.1M | ﹤0.01% |
35,700
+27,900
| +358% | +$2.46M |
2025 Q4
2 quarters
|
|
2518
Ategrity Specialty Insurance
ASIC
$1.14B
| $3.09M | ﹤0.01% |
128,737
-29,354
| -19% | -$602K |
2025 Q3
3 quarters
|
|
2519
CALL
Visa
V
$778B
| $3.09M | ﹤0.01% |
+9,000
| New | +$2.89M |
2026 Q2
0 quarters
|
|
2520
VanEck BDC Income ETF
BIZD
$1.43B
| $3.09M | ﹤0.01% |
243,900
-1,878,000
| -89% | -$23.8M |
2025 Q3
3 quarters
|
|
2521
Cartesian Therapeutics
RNAC
$194M
| $3.09M | ﹤0.01% |
296,293
+128,980
| +77% | +$955K |
2025 Q4
2 quarters
|
|
2522
PVH
PVH
$3.89B
| $3.08M | ﹤0.01% |
41,512
-9,971
| -19% | -$854K |
2023 Q1
13 quarters
|
|
2523
Novanta
NOVT
$5.17B
| $3.08M | ﹤0.01% |
18,998
+7,380
| +64% | +$1.07M |
2025 Q4
2 quarters
|
|
2524
PUT
PG&E
PCG
$39B
| $3.07M | ﹤0.01% |
182,600
| – | – |
2023 Q4
10 quarters
|
|
2525
A.O. Smith
AOS
$8.49B
| $3.07M | ﹤0.01% |
48,900
+7,200
| +17% | +$436K |
2025 Q4
2 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.