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 | |
|---|---|---|---|---|---|---|
|
HTO
2176
H2O America
HTO
$2.67B
| $887K | ﹤0.01% |
16,211
-49,130
| -75% | -$2.51M |
|
|
SNCY
2177
DELISTED
Sun Country Airlines
SNCY
| $885K | ﹤0.01% |
71,874
-26,527
| -27% | -$411K |
|
2178
Quanterix
QTRX
$132M
| $885K | ﹤0.01% |
136,015
+79,053
| +139% | +$660K |
|
2179
Laureate Education
LAUR
$5.28B
| $879K | ﹤0.01% |
42,971
-48,688
| -53% | -$941K |
|
2180
Hagerty
HGTY
$1.37B
| $878K | ﹤0.01% |
97,103
-20,329
| -17% | -$197K |
|
2181
First Trust Dow Jones Select MicroCap Index Fund
FDM
$269M
| $877K | ﹤0.01% |
14,100
-400
| -3% | -$27K |
|
2182
Seanergy Maritime Holdings
SHIP
$390M
| $876K | ﹤0.01% |
136,895
-154,555
| -53% | -$1.08M |
|
|
MAG
2183
DELISTED
MAG Silver
MAG
| $874K | ﹤0.01% |
57,217
+27,764
| +94% | +$431K |
|
2184
Upland Software
UPLD
$13.9M
| $874K | ﹤0.01% |
30,545
-1,613
| -5% | -$61.2K |
|
2185
Zentalis Pharmaceuticals
ZNTL
$367M
| $873K | ﹤0.01% |
549,334
-67,466
| -11% | -$145K |
|
2186
Luxfer Holdings
LXFR
$459M
| $872K | ﹤0.01% |
73,551
-37,209
| -34% | -$487K |
|
2187
Quaker Houghton
KWR
$2.83B
| $872K | ﹤0.01% |
7,055
-6,812
| -49% | -$924K |
|
2188
Dole
DOLE
$1.28B
| $872K | ﹤0.01% |
60,327
-35,689
| -37% | -$493K |
|
2189
Omeros
OMER
$1.4B
| $868K | ﹤0.01% |
105,639
-57,352
| -35% | -$506K |
|
2190
Central Garden & Pet Co Class A
CENTA
$2.39B
| $868K | ﹤0.01% |
26,505
-43,926
| -62% | -$1.4M |
|
2191
Johnson Outdoors
JOUT
$479M
| $867K | ﹤0.01% |
34,890
+13,884
| +66% | +$405K |
|
2192
Tiptree Inc
TIPT
$685M
| $864K | ﹤0.01% |
35,854
-34,575
| -49% | -$735K |
|
2193
Aurinia Pharmaceuticals
AUPH
$2.23B
| $859K | ﹤0.01% |
+106,888
| New | +$866K |
|
|
SSBK
2194
DELISTED
Southern States Bancshares
SSBK
| $858K | ﹤0.01% |
24,007
+4,690
| +24% | +$153K |
|
2195
NewAmsterdam Pharma
NAMS
$3.27B
| $857K | ﹤0.01% |
41,858
-47,731
| -53% | -$1.06M |
|
2196
iShares US Small Cap Value Factor ETF
SVAL
$210M
| $855K | ﹤0.01% |
28,500
| – | – |
|
|
BWAY
2197
Brainsway
BWAY
$580M
| $855K | ﹤0.01% |
180,542
-4,968
| -3% | -$25.2K |
|
2198
Grid Dynamics Holdings
GDYN
$638M
| $853K | ﹤0.01% |
54,525
-306
| -0.6% | -$6.13K |
|
2199
Energy Recovery
ERII
$401M
| $849K | ﹤0.01% |
53,441
+37,876
| +243% | +$576K |
|
2200
Larimar Therapeutics
LRMR
$432M
| $849K | ﹤0.01% |
394,745
+308,957
| +360% | +$977K |
|
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.