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John Overdeck Two Sigma Investments
AUM
$138B
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
+3.47%
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
$70.9B
AUM Growth
+$3.72B
(+5.5%)
Cap. Flow
+$541M
Cap. Flow
% of AUM
0.76%
Top 10 Holdings %
Top 10 Hldgs %
4.9%
Holding
4,545
New
899
Increased
1,598
Reduced
1,287
Closed
504
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
State Street Technology Select Sector SPDR ETF
XLK
|
+$395M |
| 2 |
Vanguard Real Estate ETF
VNQ
|
+$321M |
| 3 |
State Street Consumer Discretionary Select Sector SPDR ETF
XLY
|
+$318M |
| 4 |
ServiceNow
NOW
|
+$272M |
| 5 |
Schwab US REIT ETF
SCHH
|
+$248M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
State Street Financial Select Sector SPDR ETF
XLF
|
+$547M |
| 2 |
State Street Consumer Staples Select Sector SPDR ETF
XLP
|
+$447M |
| 3 |
State Street SPDR S&P 500 ETF Trust
SPY
|
+$377M |
| 4 |
iShares MSCI USA Quality Factor ETF
QUAL
|
+$299M |
| 5 |
Alphabet (Google) Class A
GOOGL
|
+$269M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 15.53% |
| 2 | Financials | 13% |
| 3 | Industrials | 11.22% |
| 4 | Healthcare | 10.29% |
| 5 | Consumer Discretionary | 9.16% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
|
1
State Street Consumer Discretionary Select Sector SPDR ETF
XLY
$23.4B
| $404M | 0.57% |
3,383,220
+2,678,740
| +380% | +$318M |
|
|
2
State Street Technology Select Sector SPDR ETF
XLK
$120B
| $403M | 0.57% |
2,801,547
+2,733,947
| +4,044% | +$395M |
|
3
Vanguard Morningstar Growth ETF
VUG
$225B
| $399M | 0.56% |
4,901,040
-295,560
| -6% | -$24M |
|
4
iShares Russell 1000 Growth ETF
IWF
$125B
| $385M | 0.54% |
3,255,156
+907,728
| +39% | +$108M |
|
5
Invesco QQQ Trust
QQQ
$486B
| $321M | 0.45% |
523,077
-150,781
| -22% | -$92.5M |
|
|
6
State Street SPDR S&P 500 ETF Trust
SPY
$809B
| $317M | 0.45% |
464,197
-557,176
| -55% | -$377M |
|
|
7
Vanguard Real Estate ETF
VNQ
$39.1B
| $316M | 0.45% |
+3,573,400
| New | +$321M |
|
8
Micron Technology
MU
$1.09T
| $297M | 0.42% |
1,039,889
-665,243
| -39% | -$153M |
|
9
Advanced Micro Devices
AMD
$773B
| $287M | 0.41% |
1,342,291
-159,040
| -11% | -$35.7M |
|
10
Palantir
PLTR
$432B
| $278M | 0.39% |
1,564,360
-26,128
| -2% | -$4.73M |
|
11
iShares Core S&P 500 ETF
IVV
$893B
| $269M | 0.38% |
392,760
-107,940
| -22% | -$73.3M |
|
12
General Motors
GM
$77.2B
| $269M | 0.38% |
3,302,035
-247,135
| -7% | -$17.4M |
|
13
Amazon
AMZN
$2.79T
| $265M | 0.37% |
1,148,237
-64,868
| -5% | -$14.8M |
|
14
TSMC
TSM
$2.17T
| $264M | 0.37% |
868,449
+4,022
| +0.5% | +$1.18M |
|
15
Intuitive Surgical
ISRG
$134B
| $260M | 0.37% |
459,879
-91,138
| -17% | -$48.5M |
|
16
Microsoft
MSFT
$3.59T
| $260M | 0.37% |
538,234
+23,025
| +4% | +$11.5M |
|
17
Rivian
RIVN
$24.6B
| $260M | 0.37% |
13,203,484
-3,591,201
| -21% | -$57M |
|
18
Airbnb
ABNB
$110B
| $260M | 0.37% |
1,913,495
+12,821
| +0.7% | +$1.6M |
|
19
Adobe
ADBE
$109B
| $260M | 0.37% |
741,976
+39,650
| +6% | +$13.5M |
|
20
TJX Companies
TJX
$155B
| $258M | 0.36% |
1,680,630
+20,626
| +1% | +$3.05M |
|
|
SCHW
21
Charles Schwab
SCHW
$194B
| $258M | 0.36% |
2,579,155
+23,535
| +0.9% | +$2.23M |
|
22
Tesla
TSLA
$1.43T
| $256M | 0.36% |
568,358
+7,373
| +1% | +$3.27M |
|
23
Mastercard
MA
$509B
| $252M | 0.36% |
441,496
+45,404
| +11% | +$25.4M |
|
24
Bristol-Myers Squibb
BMY
$137B
| $251M | 0.35% |
4,662,042
-791,315
| -15% | -$38.1M |
|
25
iShares Biotechnology ETF
IBB
$10.7B
| $249M | 0.35% |
1,475,007
+1,409,300
| +2,145% | +$229M |
|
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John Overdeck's Q4 2025 Portfolio in Review
As of Q4 2025, John Overdeck held 4,545 positions worth $70.9B, up 5.5% from $67.2B the previous quarter. Its ten largest holdings account for 4.9% of the portfolio.
John Overdeck's Q4 2025 filing shows 899 new, 1,598 increased, 1,287 reduced and 504 closed positions. Its largest new stake was Vanguard Real Estate ETF: 3,573,400 shares worth $316M. The largest sale was State Street Financial Select Sector SPDR ETF, an estimated $547M.
By sector, the portfolio is most concentrated in Technology at 16% of assets, down from 16% a quarter earlier, followed by Financials and Industrials.
- John Overdeck's largest Q4 2025 buy was Vanguard Real Estate ETF: 3,573,400 shares worth $316M.
- John Overdeck added most to State Street Technology Select Sector SPDR ETF in Q4 2025, an estimated $395M increase.
- John Overdeck's biggest Q4 2025 reduction was State Street Financial Select Sector SPDR ETF, cutting an estimated $547M.
- John Overdeck fully exited State Street SPDR Dow Jones Industrial Average ETF Trust in Q4 2025, selling an estimated $240M.
- John Overdeck's ten largest holdings make up 4.9% of its $70.9B portfolio in Q4 2025.
- John Overdeck opened 899 new positions and closed 504 in Q4 2025.
- John Overdeck's portfolio value rose 5.5% quarter-over-quarter to $70.9B.
Based on Two Sigma Investments's 13F filing for Q4 2025, filed 17 Feb 2026.