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 | |
|---|---|---|---|---|---|---|
2201
Arbor Realty Trust
ABR
$961M
| $849K | ﹤0.01% |
72,224
-399,060
| -85% | -$5.16M |
|
2202
Xponential Fitness
XPOF
$221M
| $848K | ﹤0.01% |
101,756
-59,936
| -37% | -$836K |
|
2203
Matador Resources
MTDR
$6.87B
| $848K | ﹤0.01% |
16,590
-13,326
| -45% | -$736K |
|
2204
NCR Atleos
NATL
$3.43B
| $847K | ﹤0.01% |
32,100
-3,000
| -9% | -$89.2K |
|
2205
RenaissanceRe
RNR
$13.7B
| $846K | ﹤0.01% |
3,523
-427
| -11% | -$103K |
|
2206
Insperity
NSP
$2B
| $844K | ﹤0.01% |
9,454
+3,702
| +64% | +$307K |
|
2207
Crexendo
CXDO
$210M
| $842K | ﹤0.01% |
172,865
+48,227
| +39% | +$283K |
|
2208
Zurn Elkay Water Solutions
ZWS
$8.1B
| $835K | ﹤0.01% |
25,314
-3,981
| -14% | -$143K |
|
2209
MacroGenics
MGNX
$266M
| $832K | ﹤0.01% |
654,898
-205,847
| -24% | -$538K |
|
|
AMRN
2210
Amarin Corp
AMRN
$299M
| $832K | ﹤0.01% |
92,797
-15,890
| -15% | -$168K |
|
2211
Monarch Casino & Resort
MCRI
$2.22B
| $830K | ﹤0.01% |
+10,669
| New | +$908K |
|
2212
KRONOS Worldwide
KRO
$1.03B
| $829K | ﹤0.01% |
110,873
+8,911
| +9% | +$78.6K |
|
|
OKLO
2213
Oklo
OKLO
$8.24B
| $828K | ﹤0.01% |
38,299
+999
| +3% | +$33.8K |
|
2214
Primis Financial Corp
FRST
$398M
| $828K | ﹤0.01% |
84,733
+21,809
| +35% | +$233K |
|
2215
Quanex
NX
$916M
| $827K | ﹤0.01% |
+44,476
| New | +$941K |
|
|
RNAM
2216
DELISTED
Avidity Biosciences
RNAM
| $827K | ﹤0.01% |
28,000
-104,560
| -79% | -$3.26M |
|
|
HOUS
2217
DELISTED
Anywhere Real Estate
HOUS
| $825K | ﹤0.01% |
247,800
-206,179
| -45% | -$730K |
|
2218
Dakota Gold
DC
$857M
| $825K | ﹤0.01% |
311,137
+194,708
| +167% | +$534K |
|
2219
Vishay Precision Group
VPG
$859M
| $824K | ﹤0.01% |
34,203
-23,163
| -40% | -$541K |
|
2220
C4 Therapeutics
CCCC
$517M
| $823K | ﹤0.01% |
514,603
-49,234
| -9% | -$147K |
|
2221
Concrete Pumping Holdings
BBCP
$478M
| $816K | ﹤0.01% |
149,484
+58,197
| +64% | +$405K |
|
|
MRCC
2222
DELISTED
Monroe Capital Corp
MRCC
| $815K | ﹤0.01% |
104,520
-30,404
| -23% | -$254K |
|
|
SNCR
2223
DELISTED
Synchronoss Technologies
SNCR
| $814K | ﹤0.01% |
74,780
+7,639
| +11% | +$75.7K |
|
2224
American States Water
AWR
$3.58B
| $814K | ﹤0.01% |
10,344
-3,020
| -23% | -$228K |
|
|
SUPV
2225
Grupo Supervielle
SUPV
$769M
| $814K | ﹤0.01% |
62,294
-70,043
| -53% | -$1.07M |
|
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.