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 | |
|---|---|---|---|---|---|---|
2401
Puma Biotechnology
PBYI
$481M
| $571K | ﹤0.01% |
192,800
+11,329
| +6% | +$35.5K |
|
2402
Cogent Biosciences
COGT
$6.39B
| $568K | ﹤0.01% |
94,805
-7,185
| -7% | -$56.3K |
|
2403
WaFd
WAFD
$2.68B
| $566K | ﹤0.01% |
+19,797
| New | +$587K |
|
2404
Park Aerospace
PKE
$707M
| $565K | ﹤0.01% |
42,022
-11,490
| -21% | -$162K |
|
2405
CALL
State Street SPDR S&P Regional Banking ETF
KRE
$4.04B
| $563K | ﹤0.01% |
+9,900
| New | +$602K |
|
|
2406
PUT
State Street SPDR S&P Regional Banking ETF
KRE
$4.04B
| $563K | ﹤0.01% |
+9,900
| New | +$602K |
|
|
NAK
2407
Northern Dynasty Minerals
NAK
$1.01B
| $563K | ﹤0.01% |
489,404
+115,213
| +31% | +$83.8K |
|
2408
Compass Minerals
CMP
$1.03B
| $560K | ﹤0.01% |
60,226
-25,864
| -30% | -$295K |
|
2409
Matthews International
MATW
$671M
| $559K | ﹤0.01% |
25,117
-69,202
| -73% | -$1.8M |
|
|
CSR
2410
Centerspace
CSR
$905M
| $558K | ﹤0.01% |
8,614
-32,408
| -79% | -$2.04M |
|
|
TRML
2411
DELISTED
Tourmaline Bio
TRML
| $557K | ﹤0.01% |
36,643
+15,202
| +71% | +$244K |
|
|
NPKI
2412
NPK International
NPKI
$1.12B
| $557K | ﹤0.01% |
95,840
-19,881
| -17% | -$132K |
|
|
CSA
2413
DELISTED
VictoryShares US Small Cap Volatility Wtd ETF
CSA
| $556K | ﹤0.01% |
+8,000
| New | +$587K |
|
|
DAWN
2414
DELISTED
Day One Biopharmaceuticals
DAWN
| $554K | ﹤0.01% |
69,895
-201,881
| -74% | -$2.17M |
|
2415
Vipshop
VIPS
$6.8B
| $554K | ﹤0.01% |
35,300
-168,300
| -83% | -$2.54M |
|
2416
Angi Inc
ANGI
$200M
| $553K | ﹤0.01% |
35,897
-37,311
| -51% | -$636K |
|
|
MREO
2417
Mereo BioPharma
MREO
$45M
| $552K | ﹤0.01% |
245,206
+176,471
| +257% | +$499K |
|
|
SFIX
2418
Stitch Fix
SFIX
$423M
| $551K | ﹤0.01% |
169,473
-741,876
| -81% | -$3.38M |
|
2419
Omega Flex
OFLX
$272M
| $549K | ﹤0.01% |
15,785
-2,257
| -13% | -$87.5K |
|
|
IRBT
2420
DELISTED
iRobot
IRBT
| $548K | ﹤0.01% |
202,877
-453,004
| -69% | -$3.27M |
|
|
SUNS
2421
Sunrise Realty Trust
SUNS
$103M
| $547K | ﹤0.01% |
+49,408
| New | +$594K |
|
2422
ACNB Corp
ACNB
$658M
| $547K | ﹤0.01% |
13,283
+5,023
| +61% | +$203K |
|
2423
Tredegar Corp
TG
$276M
| $545K | ﹤0.01% |
70,768
-35,563
| -33% | -$274K |
|
|
CHMI
2424
Cherry Hill Mortgage Investment Corp
CHMI
$108M
| $543K | ﹤0.01% |
164,586
+122,965
| +295% | +$408K |
|
|
FARO
2425
DELISTED
Faro Technologies
FARO
| $541K | ﹤0.01% |
19,824
-14,867
| -43% | -$436K |
|
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.