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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
+14.35%
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
$56.5B
AUM Growth
+$9.7B
(+21%)
Cap. Flow
+$2.97B
Cap. Flow % of AUM
Cap. Flow %
5.26%
Top 10 Holdings %
Top 10 Hldgs %
7.66%
Holding
3,681
New
509
Increased
1,200
Reduced
1,275
Closed
530
Avg Time Held
Equity + Options
1.6
years
Top 10 Avg Time Held
Equity + Options
0.6
years
Top 20 Avg Time Held
Equity + Options
0.4
years
Avg Time Held Equity only
1.6
years
Top 10 Avg Time Held Equity only
0.6
years
Top 20 Avg Time Held Equity only
0.4
years
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
iShares Expanded Tech-Software Sector ETF
IGV
|
+$312M |
| 2 |
UnitedHealth
UNH
|
+$286M |
| 3 |
Duolingo
DUOL
|
+$247M |
| 4 |
Aon
AON
|
+$226M |
| 5 |
Chubb
CB
|
+$221M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Broadcom
AVGO
|
+$338M |
| 2 |
Marvell Technology
MRVL
|
+$241M |
| 3 |
Advanced Micro Devices
AMD
|
+$240M |
| 4 |
ServiceNow
NOW
|
+$203M |
| 5 |
State Street SPDR S&P 500 ETF Trust
SPY
|
+$193M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Miscellaneous | 20.68% |
| 2 | Technology | 16.79% |
| 3 | Financials | 14.46% |
| 4 | Healthcare | 12.9% |
| 5 | Consumer Discretionary | 8.97% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | Held Since | |
|---|---|---|---|---|---|---|---|
1
Invesco QQQ Trust
QQQ
$487B
| $739M | 1.31% |
1,339,733
+432,088
| +48% | +$215M |
2019 Q1
25 quarters
|
|
|
2
State Street SPDR S&P 500 ETF Trust
SPY
$822B
| $715M | 1.27% |
1,157,598
-337,135
| -23% | -$193M |
2016 Q1
37 quarters
|
|
3
iShares Russell 1000 Growth ETF
IWF
$127B
| $473M | 0.84% |
4,456,400
+294,000
| +7% | +$28.1M |
2023 Q2
8 quarters
|
|
4
Vanguard Morningstar Growth ETF
VUG
$230B
| $457M | 0.81% |
6,257,400
+132,000
| +2% | +$8.69M |
2023 Q2
8 quarters
|
|
5
State Street Technology Select Sector SPDR ETF
XLK
$123B
| $367M | 0.65% |
2,896,662
-1,280,740
| -31% | -$142M |
2022 Q2
12 quarters
|
|
6
iShares Core S&P 500 ETF
IVV
$889B
| $351M | 0.62% |
564,700
+5,700
| +1% | +$3.27M |
2023 Q2
8 quarters
|
|
|
7
iShares Expanded Tech-Software Sector ETF
IGV
$14.8B
| $345M | 0.61% |
+3,154,300
| New | +$312M |
2025 Q2
0 quarters
|
|
8
NVIDIA
NVDA
$5.26T
| $299M | 0.53% |
1,893,594
-439,451
| -19% | -$55.3M |
2023 Q1
9 quarters
|
|
9
Amazon
AMZN
$2.85T
| $291M | 0.51% |
1,325,041
+597,321
| +82% | +$118M |
2021 Q3
15 quarters
|
|
10
Netflix
NFLX
$293B
| $288M | 0.51% |
2,152,160
+39,780
| +2% | +$4.5M |
2023 Q1
9 quarters
|
|
11
Apple
AAPL
$4.97T
| $288M | 0.51% |
1,404,489
+357,687
| +34% | +$72.2M |
2019 Q4
22 quarters
|
|
12
Carvana
CVNA
$66.9B
| $278M | 0.49% |
4,120,820
+1,182,305
| +40% | +$64.8M |
2022 Q4
10 quarters
|
|
13
Palantir
PLTR
$469B
| $273M | 0.48% |
2,000,926
-815,797
| -29% | -$95.7M |
2022 Q2
12 quarters
|
|
14
Snowflake
SNOW
$113B
| $272M | 0.48% |
1,217,039
-431,314
| -26% | -$78M |
2022 Q2
12 quarters
|
|
15
Salesforce
CRM
$198B
| $271M | 0.48% |
993,387
+27,663
| +3% | +$7.4M |
2024 Q2
4 quarters
|
|
16
Cloudflare
NET
$105B
| $267M | 0.47% |
1,363,214
-20,803
| -2% | -$3.02M |
2021 Q4
14 quarters
|
|
17
Boston Scientific
BSX
$66.5B
| $265M | 0.47% |
2,466,376
+25,629
| +1% | +$2.59M |
2020 Q4
18 quarters
|
|
18
Microsoft
MSFT
$3.94T
| $263M | 0.47% |
529,591
-65,163
| -11% | -$28.3M |
2023 Q2
8 quarters
|
|
19
Mastercard
MA
$545B
| $263M | 0.47% |
467,387
+60,964
| +15% | +$33.7M |
2022 Q2
12 quarters
|
|
20
Sea Limited
SE
$50.5B
| $263M | 0.46% |
1,641,413
+602,208
| +58% | +$87.2M |
2023 Q4
6 quarters
|
|
21
Regeneron Pharmaceuticals
REGN
$82.4B
| $262M | 0.46% |
499,828
+127,757
| +34% | +$71.3M |
2024 Q3
3 quarters
|
|
22
Roblox
RBLX
$37.3B
| $261M | 0.46% |
2,482,023
-1,517,856
| -38% | -$119M |
2022 Q3
11 quarters
|
|
23
Charles Schwab
SCHW
$158B
| $259M | 0.46% |
2,843,926
+897,724
| +46% | +$75.2M |
2022 Q1
13 quarters
|
|
24
SoFi Technologies
SOFI
$19.3B
| $259M | 0.46% |
14,241,585
+4,740,193
| +50% | +$62.5M |
2024 Q3
3 quarters
|
|
25
Adobe
ADBE
$99.1B
| $259M | 0.46% |
668,638
+49,100
| +8% | +$18.9M |
2022 Q1
13 quarters
|
|
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John Overdeck's Q2 2025 Portfolio in Review
As of Q2 2025, John Overdeck held 3,681 positions worth $56.5B, up 21% from $46.8B the previous quarter. Its ten largest holdings account for 7.7% of the portfolio.
John Overdeck deployed $2.97B of net new capital in Q2 2025, opening 509 new positions and adding to 1,200 existing holdings. Its largest new stake was iShares Expanded Tech-Software Sector ETF: 3,154,300 shares worth $345M.
By sector, the portfolio is most concentrated in Miscellaneous at 21% of assets, up from 19% a quarter earlier, followed by Technology and Financials.
On the sell side, the largest reduction was Broadcom, an estimated $338M trimmed.
- John Overdeck's largest Q2 2025 buy was iShares Expanded Tech-Software Sector ETF: 3,154,300 shares worth $345M.
- John Overdeck added most to UnitedHealth in Q2 2025, an estimated $286M increase.
- John Overdeck's biggest Q2 2025 reduction was Broadcom, cutting an estimated $338M.
- John Overdeck fully exited State Street Utilities Select Sector SPDR ETF in Q2 2025, selling an estimated $134M.
- John Overdeck's ten largest holdings make up 7.7% of its $56.5B portfolio in Q2 2025.
- John Overdeck opened 509 new positions and closed 530 in Q2 2025.
- John Overdeck's portfolio value rose 21% quarter-over-quarter to $56.5B.
Based on Two Sigma Investments's 13F filing for Q2 2025, filed 14 Aug 2025.