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 | |
|---|---|---|---|---|---|---|
2026
AST SpaceMobile
ASTS
$18.6B
| $1.16M | ﹤0.01% |
51,228
-646
| -1% | -$16.5K |
|
2027
Northern Trust
NTRS
$34.2B
| $1.16M | ﹤0.01% |
11,800
-120
| -1% | -$12.7K |
|
|
AHRT
2028
AH Realty Trust
AHRT
$506M
| $1.16M | ﹤0.01% |
154,861
-240,357
| -61% | -$2.18M |
|
|
CON
2029
Concentra Group Holdings
CON
$4.44B
| $1.16M | ﹤0.01% |
53,432
+19,225
| +56% | +$423K |
|
2030
America's Car Mart
CRMT
$20.4M
| $1.16M | ﹤0.01% |
25,504
+1,313
| +5% | +$61.4K |
|
2031
Dave Inc
DAVE
$4.46B
| $1.16M | ﹤0.01% |
13,979
-126,691
| -90% | -$11.9M |
|
2032
Global X SuperDividend US ETF
DIV
$796M
| $1.15M | ﹤0.01% |
61,000
+24,800
| +69% | +$462K |
|
2033
Gold Royalty Corp
GROY
$816M
| $1.14M | ﹤0.01% |
788,954
+65,100
| +9% | +$88.7K |
|
2034
First Internet Bancorp
INBK
$249M
| $1.13M | ﹤0.01% |
42,381
+15,116
| +55% | +$470K |
|
2035
Saia
SAIA
$9.17B
| $1.13M | ﹤0.01% |
3,244
-3,073
| -49% | -$1.34M |
|
2036
Absci
ABSI
$1.65B
| $1.13M | ﹤0.01% |
451,099
-448,549
| -50% | -$1.65M |
|
2037
StealthGas
GASS
$348M
| $1.13M | ﹤0.01% |
200,280
-18,819
| -9% | -$108K |
|
2038
Neurocrine Biosciences
NBIX
$15.6B
| $1.13M | ﹤0.01% |
10,202
-16,569
| -62% | -$2.1M |
|
2039
Otter Tail
OTTR
$3.83B
| $1.12M | ﹤0.01% |
13,982
+5,058
| +57% | +$400K |
|
2040
Savara
SVRA
$1.15B
| $1.12M | ﹤0.01% |
405,604
-379,873
| -48% | -$1.05M |
|
2041
Five Star Bancorp
FSBC
$1.1B
| $1.12M | ﹤0.01% |
40,409
+15,286
| +61% | +$455K |
|
2042
OFS Capital
OFS
$48.9M
| $1.12M | ﹤0.01% |
120,824
+4,363
| +4% | +$37K |
|
2043
Jack Henry & Associates
JKHY
$12.3B
| $1.11M | ﹤0.01% |
6,100
| – | – |
|
2044
ESCO Technologies
ESE
$7.17B
| $1.11M | ﹤0.01% |
7,000
-2,303
| -25% | -$345K |
|
2045
German American Bancorp
GABC
$1.87B
| $1.11M | ﹤0.01% |
29,670
-11,340
| -28% | -$446K |
|
|
EXK
2046
Endeavour Silver
EXK
$3.28B
| $1.11M | ﹤0.01% |
259,693
-468,069
| -64% | -$1.88M |
|
2047
W.W. Grainger
GWW
$61.3B
| $1.11M | ﹤0.01% |
1,120
-1,201
| -52% | -$1.24M |
|
|
TSE
2048
DELISTED
Trinseo
TSE
| $1.11M | ﹤0.01% |
300,307
-26,285
| -8% | -$120K |
|
2049
Vestis
VSTS
$1.7B
| $1.1M | ﹤0.01% |
111,597
-130,226
| -54% | -$1.73M |
|
2050
First Business Financial Services
FBIZ
$586M
| $1.1M | ﹤0.01% |
23,405
+4,329
| +23% | +$214K |
|
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.