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 | |
|---|---|---|---|---|---|---|
2576
Byrna Technologies
BYRN
$82.5M
| $363K | ﹤0.01% |
21,533
-2
| -0% | -$52 |
|
|
CTLP
2577
DELISTED
Cantaloupe
CTLP
| $360K | ﹤0.01% |
+45,762
| New | +$406K |
|
2578
TD Synnex
SNX
$19.5B
| $360K | ﹤0.01% |
3,463
-18,067
| -84% | -$2.41M |
|
2579
iShares Core S&P US Value ETF
IUSV
$28B
| $360K | ﹤0.01% |
+3,900
| New | +$366K |
|
2580
Dentsply Sirona
XRAY
$2.17B
| $358K | ﹤0.01% |
+23,934
| New | +$424K |
|
2581
Aehr Test Systems
AEHR
$3.15B
| $357K | ﹤0.01% |
48,984
+360
| +0.7% | +$3.98K |
|
2582
Corsair Gaming
CRSR
$1.18B
| $354K | ﹤0.01% |
39,957
-22,683
| -36% | -$224K |
|
2583
Photronics
PLAB
$1.74B
| $352K | ﹤0.01% |
16,952
-5,194
| -23% | -$116K |
|
|
TERN
2584
DELISTED
Terns Pharmaceuticals
TERN
| $352K | ﹤0.01% |
127,472
+32,783
| +35% | +$134K |
|
2585
VanEck Environmental Services ETF
EVX
$101M
| $351K | ﹤0.01% |
+9,900
| New | +$350K |
|
2586
Nathan's Famous
NATH
$401M
| $350K | ﹤0.01% |
3,636
-1,673
| -32% | -$150K |
|
2587
VanEck Energy Income ETF
EINC
$79.6M
| $350K | ﹤0.01% |
+3,500
| New | +$344K |
|
2588
Red Cat Holdings
RCAT
$1.36B
| $350K | ﹤0.01% |
59,471
| – | – |
|
2589
Agilon Health
AGL
$1.57B
| $349K | ﹤0.01% |
3,219
-31,096
| -91% | -$2.71M |
|
2590
Nuveen Growth Opportunities ETF
NUGO
$2.42B
| $348K | ﹤0.01% |
11,400
+3,800
| +50% | +$129K |
|
|
DFTX
2591
Definium Therapeutics
DFTX
$5.81B
| $346K | ﹤0.01% |
59,222
-121,071
| -67% | -$867K |
|
2592
Stanley Black & Decker
SWK
$14.9B
| $346K | ﹤0.01% |
4,500
-31,538
| -88% | -$2.66M |
|
2593
Red Robin
RRGB
$191M
| $343K | ﹤0.01% |
96,379
+33,708
| +54% | +$173K |
|
2594
Healthpeak Properties
DOC
$14.9B
| $342K | ﹤0.01% |
16,909
-844
| -5% | -$17.1K |
|
2595
First Trust Multi Cap Value AlphaDEX Fund
FAB
$189M
| $342K | ﹤0.01% |
+4,300
| New | +$354K |
|
2596
Compugen
CGEN
$245M
| $341K | ﹤0.01% |
233,794
+179,752
| +333% | +$351K |
|
2597
RB Global
RBA
$15.6B
| $341K | ﹤0.01% |
+3,398
| New | +$324K |
|
2598
Mativ Holdings
MATV
$676M
| $340K | ﹤0.01% |
+54,551
| New | +$446K |
|
|
DOO
2599
Bombardier Recreational Products
DOO
$4.68B
| $339K | ﹤0.01% |
+10,028
| New | +$441K |
|
|
RAPP
2600
Rapport Therapeutics
RAPP
$2.37B
| $339K | ﹤0.01% |
+33,757
| New | +$438K |
|
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.