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 | |
|---|---|---|---|---|---|---|
2451
Park-Ohio Holdings
PKOH
$653M
| $505K | ﹤0.01% |
23,390
-703
| -3% | -$16.8K |
|
|
CIO
2452
DELISTED
City Office REIT
CIO
| $503K | ﹤0.01% |
96,996
-51,196
| -35% | -$263K |
|
2453
Invesco Water Resources ETF
PHO
$2.04B
| $503K | ﹤0.01% |
+7,800
| New | +$519K |
|
2454
Kaiser Aluminum
KALU
$2.51B
| $502K | ﹤0.01% |
8,289
+3,485
| +73% | +$244K |
|
2455
Andersons Inc
ANDE
$2.24B
| $500K | ﹤0.01% |
11,650
-5,383
| -32% | -$229K |
|
|
PDS
2456
Precision Drilling
PDS
$1.12B
| $499K | ﹤0.01% |
10,701
-1,662
| -13% | -$90.4K |
|
2457
Frontline
FRO
$9.68B
| $498K | ﹤0.01% |
33,548
-732,116
| -96% | -$12.1M |
|
2458
Design Therapeutics
DSGN
$981M
| $497K | ﹤0.01% |
128,747
-75,184
| -37% | -$359K |
|
2459
Piper Sandler
PIPR
$5.28B
| $495K | ﹤0.01% |
+8,000
| New | +$573K |
|
2460
GSI Technology
GSIT
$229M
| $494K | ﹤0.01% |
243,119
+173,159
| +248% | +$506K |
|
2461
NovaGold Resources
NG
$4.29B
| $493K | ﹤0.01% |
168,814
-148,215
| -47% | -$477K |
|
2462
Business First Bancshares
BFST
$1.01B
| $492K | ﹤0.01% |
20,200
-4,131
| -17% | -$107K |
|
2463
Red Rock Resorts
RRR
$3.53B
| $490K | ﹤0.01% |
11,309
-17,291
| -60% | -$818K |
|
2464
Jakks Pacific
JAKK
$299M
| $490K | ﹤0.01% |
+19,876
| New | +$562K |
|
2465
State Street SPDR Portfolio S&P 500 Value ETF
SPYV
$36.8B
| $490K | ﹤0.01% |
9,600
-89,000
| -90% | -$4.62M |
|
2466
Safety Insurance
SAFT
$1.52B
| $490K | ﹤0.01% |
6,211
-5,969
| -49% | -$467K |
|
2467
BayCom
BCML
$327M
| $489K | ﹤0.01% |
19,447
-1,998
| -9% | -$53.4K |
|
2468
BlackRock US Equity Factor Rotation ETF
DYNF
$40.9B
| $488K | ﹤0.01% |
10,000
-199,600
| -95% | -$10.3M |
|
2469
Synopsys
SNPS
$78.3B
| $485K | ﹤0.01% |
1,131
-4,869
| -81% | -$2.37M |
|
2470
Turkcell
TKC
$4.72B
| $484K | ﹤0.01% |
77,787
+31,082
| +67% | +$219K |
|
|
CMPS
2471
Compass Pathways
CMPS
$2.06B
| $478K | ﹤0.01% |
167,251
-12,132
| -7% | -$46.6K |
|
2472
Xperi
XPER
$307M
| $476K | ﹤0.01% |
61,716
-68,715
| -53% | -$601K |
|
2473
iShares Core S&P Total US Stock Market ETF
ITOT
$97B
| $476K | ﹤0.01% |
3,900
-124,700
| -97% | -$16.1M |
|
|
CCRN
2474
DELISTED
Cross Country Healthcare
CCRN
| $473K | ﹤0.01% |
31,751
-2,982
| -9% | -$51.2K |
|
2475
United Therapeutics
UTHR
$22.2B
| $470K | ﹤0.01% |
1,525
-248
| -14% | -$85K |
|
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.