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 | |
|---|---|---|---|---|---|---|
1476
Paycom
PAYC
$10.4B
| $2.72M | 0.01% |
12,443
-67,591
| -84% | -$14.3M |
|
1477
Snap-on
SNA
$20.4B
| $2.72M | 0.01% |
8,066
+577
| +8% | +$196K |
|
1478
Scholastic
SCHL
$773M
| $2.72M | 0.01% |
143,953
+103,537
| +256% | +$2.07M |
|
1479
Oaktree Specialty Lending
OCSL
$1.16B
| $2.72M | 0.01% |
176,934
+12,898
| +8% | +$202K |
|
1480
NB Bancorp
NBBK
$983M
| $2.72M | 0.01% |
150,397
+38,292
| +34% | +$712K |
|
1481
Morgan Stanley
MS
$340B
| $2.71M | 0.01% |
23,205
-95,742
| -80% | -$12.3M |
|
1482
Constellation Energy
CEG
$98.6B
| $2.71M | 0.01% |
13,424
-335,593
| -96% | -$90M |
|
1483
MidCap Financial Investment
MFIC
$797M
| $2.7M | 0.01% |
210,268
+75,977
| +57% | +$1.03M |
|
1484
Amylyx Pharmaceuticals
AMLX
$4.17B
| $2.7M | 0.01% |
762,053
+110,536
| +17% | +$393K |
|
1485
Harrow
HROW
$1.55B
| $2.7M | 0.01% |
101,414
-48,941
| -33% | -$1.47M |
|
|
IPEX
1486
Inflection Point Acquisition Corp V
IPEX
$126M
| $2.7M | 0.01% |
+271,875
| New | +$2.69M |
|
1487
Azenta
AZTA
$1.45B
| $2.69M | 0.01% |
77,737
-95,058
| -55% | -$4.37M |
|
1488
Pan American Silver
PAAS
$22.5B
| $2.69M | 0.01% |
104,087
-547,497
| -84% | -$13.1M |
|
|
SPKL
1489
Spark I Acquisition Corp
SPKL
$100M
| $2.69M | 0.01% |
250,000
| – | – |
|
1490
Green Plains
GPRE
$1.03B
| $2.69M | 0.01% |
553,912
+439,911
| +386% | +$3.15M |
|
|
CEP
1491
DELISTED
Cantor Equity Partners
CEP
| $2.69M | 0.01% |
250,000
| – | – |
|
1492
Electromed
ELMD
$326M
| $2.68M | 0.01% |
112,525
+70,046
| +165% | +$2.05M |
|
1493
US Physical Therapy
USPH
$1.15B
| $2.68M | 0.01% |
36,985
-3,216
| -8% | -$270K |
|
1494
Shopify
SHOP
$198B
| $2.67M | 0.01% |
28,000
-102,830
| -79% | -$11.2M |
|
1495
Marriott International
MAR
$93.3B
| $2.67M | 0.01% |
11,200
-19,058
| -63% | -$5.18M |
|
1496
Omnicom Group
OMC
$24.2B
| $2.66M | 0.01% |
32,139
+20,439
| +175% | +$1.71M |
|
|
GMS
1497
DELISTED
GMS Inc
GMS
| $2.66M | 0.01% |
+36,316
| New | +$2.89M |
|
1498
Granite Ridge Resources
GRNT
$666M
| $2.66M | 0.01% |
436,916
+117,173
| +37% | +$725K |
|
1499
MetLife
MET
$60.9B
| $2.65M | 0.01% |
33,037
-278,970
| -89% | -$23.2M |
|
1500
Financial Institutions
FISI
$800M
| $2.64M | 0.01% |
105,954
+17,332
| +20% | +$468K |
|
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.