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 | |
|---|---|---|---|---|---|---|
|
BCPC
726
Balchem Corp
BCPC
$5.68B
| $10.2M | 0.02% |
61,539
+58,741
| +2,099% | +$9.63M |
|
727
Reinsurance Group of America
RGA
$16B
| $10.1M | 0.02% |
51,528
-76,494
| -60% | -$15.9M |
|
728
Saic
SAIC
$5.42B
| $10.1M | 0.02% |
90,159
-7,145
| -7% | -$772K |
|
729
Bentley Systems
BSY
$11.1B
| $10.1M | 0.02% |
257,114
+214,414
| +502% | +$9.57M |
|
730
PUT
Century Aluminum
CENX
$4.34B
| $10.1M | 0.02% |
542,200
| – | – |
|
731
Provident Financial Services
PFS
$3.06B
| $9.99M | 0.02% |
581,940
+114,196
| +24% | +$2.08M |
|
732
Main Street Capital
MAIN
$5.49B
| $9.9M | 0.02% |
174,999
+136,540
| +355% | +$8.12M |
|
733
Alliant Energy
LNT
$17.7B
| $9.88M | 0.02% |
153,475
+137,608
| +867% | +$8.42M |
|
734
New Oriental
EDU
$9.09B
| $9.86M | 0.02% |
+206,168
| New | +$10.6M |
|
735
MYR Group
MYRG
$4.63B
| $9.85M | 0.02% |
+87,077
| New | +$11.6M |
|
736
Rockwell Automation
ROK
$47.9B
| $9.84M | 0.02% |
38,069
-11,393
| -23% | -$3.17M |
|
737
VanEck Junior Gold Miners ETF
GDXJ
$9.97B
| $9.83M | 0.02% |
171,800
+93,000
| +118% | +$4.69M |
|
738
Starbucks
SBUX
$121B
| $9.8M | 0.02% |
99,879
+62,079
| +164% | +$6.42M |
|
739
Sixth Street Specialty
TSLX
$1.81B
| $9.76M | 0.02% |
435,957
-24,733
| -5% | -$550K |
|
740
iShares US Home Construction ETF
ITB
$2.28B
| $9.75M | 0.02% |
102,360
-139,000
| -58% | -$14.1M |
|
741
uniQure
QURE
$3.5B
| $9.71M | 0.02% |
916,499
+37,615
| +4% | +$527K |
|
742
Century Communities
CCS
$1.98B
| $9.69M | 0.02% |
144,418
+88,501
| +158% | +$6.4M |
|
743
ScottsMiracle-Gro
SMG
$3.6B
| $9.63M | 0.02% |
175,459
-170,259
| -49% | -$11M |
|
744
IES Holdings
IESC
$12.3B
| $9.62M | 0.02% |
116,562
+81,398
| +231% | +$8.49M |
|
745
Leggett & Platt
LEG
$1.27B
| $9.61M | 0.02% |
1,215,448
+340,780
| +39% | +$3.23M |
|
746
Delta Air Lines
DAL
$54.6B
| $9.59M | 0.02% |
219,968
-1,329,562
| -86% | -$78.8M |
|
747
Syndax Pharmaceuticals
SNDX
$1.79B
| $9.58M | 0.02% |
780,009
+110,186
| +16% | +$1.55M |
|
748
Tenable Holdings
TENB
$3.55B
| $9.57M | 0.02% |
273,554
-95,871
| -26% | -$3.75M |
|
749
Concentrix
CNXC
$1.63B
| $9.56M | 0.02% |
171,888
+55,725
| +48% | +$2.67M |
|
750
Fastly Inc
FSLY
$3.67B
| $9.5M | 0.02% |
1,501,441
+400,112
| +36% | +$3.34M |
|
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.