John Overdeck Two Sigma Investments
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.
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 | |
|---|---|---|---|---|---|---|
76
Roku
ROKU
$23.4B
| $200M | 0.28% |
1,840,257
-332,947
| -15% | -$33.8M |
|
77
Ralph Lauren
RL
$22.2B
| $199M | 0.28% |
563,947
+201,925
| +56% | +$68.8M |
|
78
Waste Management
WM
$89.6B
| $199M | 0.28% |
906,222
-133,107
| -13% | -$28.4M |
|
79
Morgan Stanley
MS
$336B
| $198M | 0.28% |
1,116,813
-118,156
| -10% | -$19.7M |
|
80
McDonald's
MCD
$192B
| $198M | 0.28% |
646,254
+631,240
| +4,204% | +$193M |
|
81
Valero Energy
VLO
$100B
| $197M | 0.28% |
1,212,710
-70,959
| -6% | -$12M |
|
82
Ford
F
$57.5B
| $195M | 0.28% |
14,888,265
+14,266,632
| +2,295% | +$184M |
|
83
American Airlines Group
AAL
$9.15B
| $193M | 0.27% |
12,582,898
-1,087,902
| -8% | -$14.7M |
|
|
WCN
84
Waste Connections
WCN
$42.6B
| $189M | 0.27% |
1,079,135
-184,783
| -15% | -$31.9M |
|
85
Eaton
ETN
$163B
| $189M | 0.27% |
+591,926
| New | +$210M |
|
86
Invesco S&P 500 Low Volatility ETF
SPLV
$7.07B
| $188M | 0.27% |
2,634,200
+1,191,500
| +83% | +$85.7M |
|
87
Freeport-McMoran
FCX
$110B
| $187M | 0.26% |
3,687,307
+3,566,834
| +2,961% | +$155M |
|
88
Dell
DELL
$286B
| $186M | 0.26% |
1,474,392
+617,070
| +72% | +$86.9M |
|
89
Dollar General
DG
$27.2B
| $184M | 0.26% |
1,389,179
-64,470
| -4% | -$7.19M |
|
90
Chubb
CB
$132B
| $183M | 0.26% |
586,031
-237,600
| -29% | -$69.5M |
|
91
Hewlett Packard
HPE
$70.8B
| $182M | 0.26% |
+7,589,011
| New | +$179M |
|
92
AT&T
T
$173B
| $182M | 0.26% |
+7,334,980
| New | +$186M |
|
93
KeyCorp
KEY
$23.3B
| $180M | 0.25% |
8,734,526
+5,166,699
| +145% | +$96.2M |
|
94
Akamai
AKAM
$15.9B
| $179M | 0.25% |
2,048,557
+1,392,485
| +212% | +$115M |
|
95
Albemarle
ALB
$16.9B
| $178M | 0.25% |
1,261,458
-471,523
| -27% | -$53.5M |
|
96
Boeing
BA
$169B
| $176M | 0.25% |
808,931
+781,331
| +2,831% | +$161M |
|
97
Texas Instruments
TXN
$241B
| $173M | 0.24% |
996,205
+965,770
| +3,173% | +$165M |
|
98
HEICO Corp
HEI
$49.6B
| $172M | 0.24% |
531,566
-27,095
| -5% | -$8.56M |
|
|
SNDK
99
Sandisk
SNDK
$234B
| $170M | 0.24% |
715,225
+454,864
| +175% | +$91.1M |
|
100
Arch Capital
ACGL
$33.9B
| $169M | 0.24% |
1,762,575
-132,647
| -7% | -$12.1M |
|
Similar funds
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.