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 SPDR S&P 500 ETF Trust
SPY
|
+$510M |
| 2 |
Broadcom
AVGO
|
+$318M |
| 3 |
Marvell Technology
MRVL
|
+$290M |
| 4 |
Salesforce
CRM
|
+$263M |
| 5 |
Advanced Micro Devices
AMD
|
+$250M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Eli Lilly
LLY
|
+$255M |
| 2 |
Progressive
PGR
|
+$244M |
| 3 |
Visa
V
|
+$238M |
| 4 |
Lam Research
LRCX
|
+$201M |
| 5 |
Elevance Health
ELV
|
+$190M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 17.88% |
| 2 | Healthcare | 13.28% |
| 3 | Financials | 10.32% |
| 4 | Industrials | 9.79% |
| 5 | Consumer Discretionary | 8.58% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
1976
Blackrock
BLK
$182B
| $1.26M | ﹤0.01% |
1,332
+24
| +2% | +$23.5K |
|
1977
Sinclair Inc
SBGI
$1.06B
| $1.26M | ﹤0.01% |
79,022
+65,467
| +483% | +$991K |
|
1978
Unitil
UTL
$983M
| $1.26M | ﹤0.01% |
21,810
+8,263
| +61% | +$455K |
|
1979
Alerus Financial
ALRS
$824M
| $1.26M | ﹤0.01% |
68,091
+903
| +1% | +$17.9K |
|
1980
Aclaris Therapeutics
ACRS
$962M
| $1.26M | ﹤0.01% |
820,264
-19,006
| -2% | -$40.5K |
|
1981
MediaAlpha
MAX
$787M
| $1.25M | ﹤0.01% |
135,396
-88,802
| -40% | -$948K |
|
1982
Hyster-Yale Materials Handling
HY
$624M
| $1.24M | ﹤0.01% |
29,756
+9,330
| +46% | +$464K |
|
|
LKFT
1983
Lakefront Biotherapeutics American Depositary Shares
LKFT
$1.94B
| $1.23M | ﹤0.01% |
+49,161
| New | +$1.24M |
|
1984
Gorman-Rupp
GRC
$2.03B
| $1.23M | ﹤0.01% |
35,139
-9,155
| -21% | -$344K |
|
1985
Globus Medical
GMED
$11.1B
| $1.23M | ﹤0.01% |
16,845
-12,641
| -43% | -$1.04M |
|
1986
Valvoline
VVV
$4.2B
| $1.23M | ﹤0.01% |
+35,355
| New | +$1.29M |
|
1987
Hingham Institution for Saving
HIFS
$662M
| $1.23M | ﹤0.01% |
5,171
+1,513
| +41% | +$379K |
|
1988
DigitalOcean
DOCN
$13.2B
| $1.22M | ﹤0.01% |
+36,677
| New | +$1.43M |
|
1989
Bar Harbor Bankshares
BHB
$660M
| $1.22M | ﹤0.01% |
41,474
+9,125
| +28% | +$285K |
|
|
NOA
1990
North American Construction
NOA
$359M
| $1.22M | ﹤0.01% |
77,426
-118,213
| -60% | -$2.19M |
|
1991
LeMaitre Vascular
LMAT
$1.81B
| $1.22M | ﹤0.01% |
14,541
-11,857
| -45% | -$1.1M |
|
1992
Allegiant Air
ALGT
$2.25B
| $1.22M | ﹤0.01% |
+23,578
| New | +$1.89M |
|
1993
First Mid Bancshares
FMBH
$1.33B
| $1.22M | ﹤0.01% |
34,860
+17,729
| +103% | +$654K |
|
1994
Ambarella
AMBA
$3.1B
| $1.22M | ﹤0.01% |
24,168
-57,492
| -70% | -$3.94M |
|
1995
Zumiez
ZUMZ
$311M
| $1.21M | ﹤0.01% |
81,535
+40,063
| +97% | +$618K |
|
1996
Horizon Bancorp
HBNC
$1B
| $1.21M | ﹤0.01% |
80,500
-8,352
| -9% | -$136K |
|
1997
Plexus
PLXS
$6.42B
| $1.21M | ﹤0.01% |
+9,458
| New | +$1.33M |
|
1998
Willis Lease Finance
WLFC
$1.15B
| $1.21M | ﹤0.01% |
22,992
+16,392
| +248% | +$1.04M |
|
1999
Nuvation Bio
NUVB
$2.49B
| $1.21M | ﹤0.01% |
687,378
-463,878
| -40% | -$1.06M |
|
|
NXRT
2000
NexPoint Residential Trust
NXRT
$624M
| $1.21M | ﹤0.01% |
30,593
+17,022
| +125% | +$673K |
|
Similar funds
John Overdeck's Q1 2025 Portfolio in Review
As of Q1 2025, John Overdeck held 3,617 positions worth $46.8B, up 2% from $45.9B the previous quarter. Its ten largest holdings account for 8.1% of the portfolio.
John Overdeck deployed $2.08B of net new capital in Q1 2025, opening 458 new positions and adding to 1,225 existing holdings. Its largest new stake was Advanced Micro Devices: 2,246,952 shares worth $231M.
By sector, the portfolio is most concentrated in Technology at 18% of assets, up from 16% a quarter earlier, followed by Healthcare and Financials.
On the sell side, the largest reduction was Eli Lilly, an estimated $255M trimmed.
- John Overdeck's largest Q1 2025 buy was Advanced Micro Devices: 2,246,952 shares worth $231M.
- John Overdeck added most to State Street SPDR S&P 500 ETF Trust in Q1 2025, an estimated $510M increase.
- John Overdeck's biggest Q1 2025 reduction was Eli Lilly, cutting an estimated $255M.
- John Overdeck fully exited Coinbase in Q1 2025, selling an estimated $45M.
- John Overdeck's ten largest holdings make up 8.1% of its $46.8B portfolio in Q1 2025.
- John Overdeck opened 458 new positions and closed 452 in Q1 2025.
- John Overdeck's portfolio value rose 2% quarter-over-quarter to $46.8B.
Based on Two Sigma Investments's 13F filing for Q1 2025, filed 15 May 2025.