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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 | |
|---|---|---|---|---|---|---|---|
351
Telus
TU
$13.3B
| $86.3M | 0.06% |
8,167,876
+2,276,228
| +39% | +$27.8M |
2025 Q1
5 quarters
|
|
352
Ezcorp Inc
EZPW
$2.03B
| $86.3M | 0.06% |
2,496,332
-25,863
| -1% | -$816K |
2020 Q4
22 quarters
|
|
353
Danaher
DHR
$161B
| $86.2M | 0.06% |
452,752
-1,406,030
| -76% | -$255M |
2024 Q3
7 quarters
|
|
354
Sherwin-Williams
SHW
$81.4B
| $86.1M | 0.06% |
250,147
-103,122
| -29% | -$32.9M |
2021 Q4
18 quarters
|
|
355
Stifel
SF
$10.2B
| $85.6M | 0.06% |
1,227,090
+860,769
| +235% | +$64.2M |
2025 Q4
2 quarters
|
|
356
Balchem Corp
BCPC
$5.44B
| $84.8M | 0.06% |
502,038
+71,828
| +17% | +$11.9M |
2023 Q4
10 quarters
|
|
357
LyondellBasell Industries
LYB
$20.7B
| $84.7M | 0.06% |
+1,609,590
| New | +$111M |
2026 Q2
0 quarters
|
|
358
Cohu
COHU
$2.41B
| $84.4M | 0.06% |
1,142,216
+47,785
| +4% | +$2.39M |
2025 Q3
3 quarters
|
|
359
Owens Corning
OC
$8.92B
| $84.2M | 0.06% |
529,658
-442,852
| -46% | -$53.8M |
2025 Q1
5 quarters
|
|
360
United Microelectronic
UMC
$49.7B
| $84M | 0.06% |
3,088,852
-6,566,550
| -68% | -$112M |
2021 Q3
19 quarters
|
|
361
Nektar Therapeutics
NKTR
$1.22B
| $83.9M | 0.06% |
1,202,004
+271,263
| +29% | +$19.8M |
2020 Q2
24 quarters
|
|
362
Life Time Group Holdings
LTH
$9.05B
| $83.4M | 0.06% |
2,042,710
-1,797,494
| -47% | -$57.1M |
2023 Q1
13 quarters
|
|
363
Sarepta Therapeutics
SRPT
$1.81B
| $82.6M | 0.06% |
4,598,735
+5,540
| +0.1% | +$105K |
2021 Q1
21 quarters
|
|
364
AbCellera Biologics
ABCL
$3.82B
| $81.9M | 0.06% |
10,437,431
-124,634
| -1% | -$609K |
2021 Q1
21 quarters
|
|
365
Visa
V
$756B
| $81.9M | 0.06% |
238,733
-130,935
| -35% | -$42M |
2019 Q2
28 quarters
|
|
366
Tradeweb Markets
TW
$23.9B
| $81.9M | 0.06% |
821,500
+520,273
| +173% | +$56.4M |
2022 Q3
15 quarters
|
|
367
UnitedHealth
UNH
$360B
| $81.8M | 0.06% |
196,716
-1,503,480
| -88% | -$557M |
2022 Q4
14 quarters
|
|
368
BeOne Medicines Ltd
ONC
$41.7B
| $81.7M | 0.06% |
286,552
+253,009
| +754% | +$74.6M |
2025 Q4
2 quarters
|
|
369
DELISTED
Select Medical
SEM
| $81.6M | 0.06% |
4,943,691
+4,557,887
| +1,181% | +$75.1M |
2025 Q3
3 quarters
|
|
370
T. Rowe Price
TROW
$21.5B
| $81.6M | 0.06% |
717,517
-270,811
| -27% | -$27.7M |
2024 Q3
7 quarters
|
|
371
Ascendis Pharma A/S
ASND
$14.8B
| $81.6M | 0.06% |
305,803
+85,462
| +39% | +$20M |
2024 Q1
9 quarters
|
|
|
MRX
372
Marex Group Limited Ordinary Shares
MRX
$5.07B
| $81.4M | 0.06% |
1,335,436
-346,124
| -21% | -$19M |
2024 Q2
8 quarters
|
|
373
Bright Horizons
BFAM
$3.46B
| $81.1M | 0.06% |
1,144,465
-209,199
| -15% | -$15.1M |
2024 Q1
9 quarters
|
|
374
NETSTREIT Corp
NTST
$1.75B
| $81M | 0.06% |
3,834,450
-86,981
| -2% | -$1.76M |
2024 Q1
9 quarters
|
|
375
Terreno Realty
TRNO
$6.98B
| $80.9M | 0.06% |
1,249,207
+335,465
| +37% | +$21.9M |
2021 Q1
21 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.