Renaissance Technologies Portfolio holdings
Renaissance Technologies LLC, founded in 1982 by mathematician James Simons as Monemetrics and headquartered in East Setauket, New York, is a legendary quantitative hedge fund managing around $65 billion in assets as of late 2024, renowned for its pioneering use of mathematical models and algorithms in trading. Starting with currency trading and evolving into a secretive powerhouse under its flagship Medallion Fund—launched in 1988—the firm employs PhDs, physicists, and computer scientists to analyze vast datasets, executing high-frequency trades across equities, futures, and derivatives with returns averaging over 66% annually before fees from 1988 to 2018. Simons, who stepped down as chairman in 2021, built a culture of intellectual rigor, limiting Medallion to employees and insiders since 1993 while offering institutional funds like the Renaissance Institutional Equities Fund (RIEF) to outsiders. Now led by Peter Brown and Robert Mercer’s successors, Renaissance remains a benchmark for quant investing, blending academic precision with a low-profile, extraordinarily profitable legacy despite occasional regulatory scrutiny.
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
NVIDIA
NVDA
|
+$798M |
| 2 |
Netflix
NFLX
|
+$608M |
| 3 |
UnitedHealth
UNH
|
+$517M |
| 4 |
Apple
AAPL
|
+$461M |
| 5 |
GE Vernova
GEV
|
+$296M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Broadcom
AVGO
|
+$527M |
| 2 |
Alphabet (Google) Class A
GOOGL
|
+$372M |
| 3 |
Meta Platforms (Facebook)
META
|
+$362M |
| 4 |
Advanced Micro Devices
AMD
|
+$328M |
| 5 |
Palantir
PLTR
|
+$327M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 19.57% |
| 2 | Healthcare | 15.8% |
| 3 | Consumer Discretionary | 12.38% |
| 4 | Financials | 11.53% |
| 5 | Industrials | 8.93% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
|
SOHU
976
Sohu.com
SOHU
$359M
| $11.7M | 0.02% |
877,373
-23,000
| -3% | -$244K |
|
977
Middleby
MIDD
$6.03B
| $11.7M | 0.02% |
81,070
+68,100
| +525% | +$9.59M |
|
978
Intapp
INTA
$2.47B
| $11.7M | 0.02% |
225,900
+95,800
| +74% | +$5.23M |
|
979
Sylvamo
SLVM
$1.49B
| $11.6M | 0.02% |
231,500
+58,100
| +34% | +$3.27M |
|
980
Equinox Gold
EQX
$7.43B
| $11.6M | 0.02% |
2,010,600
-71,993
| -3% | -$468K |
|
981
Astronics
ATRO
$3.38B
| $11.5M | 0.02% |
413,880
+72,600
| +21% | +$1.7M |
|
|
FOLD
982
DELISTED
Amicus Therapeutics
FOLD
| $11.5M | 0.02% |
2,013,593
+451,600
| +29% | +$2.91M |
|
983
First Horizon
FHN
$12.1B
| $11.5M | 0.02% |
543,500
-350,600
| -39% | -$6.68M |
|
984
Stellantis
STLA
$17B
| $11.5M | 0.02% |
1,148,872
+360,427
| +46% | +$3.55M |
|
985
Ducommun
DCO
$2.77B
| $11.5M | 0.02% |
139,200
+12,800
| +10% | +$851K |
|
986
Safety Insurance
SAFT
$1.51B
| $11.5M | 0.02% |
144,607
+1,707
| +1% | +$135K |
|
987
FerroAtlántica
GSM
$600M
| $11.4M | 0.02% |
3,119,094
+35,600
| +1% | +$131K |
|
988
ICU Medical
ICUI
$4.21B
| $11.4M | 0.02% |
86,600
+77,800
| +884% | +$10.5M |
|
989
Medifast
MED
$110M
| $11.4M | 0.02% |
813,310
-75,618
| -9% | -$994K |
|
|
BAND
990
Bandwidth Inc
BAND
$1.25B
| $11.4M | 0.02% |
717,600
+14,500
| +2% | +$197K |
|
|
MRP
991
Millrose Properties Inc
MRP
$4.69B
| $11.4M | 0.02% |
+398,600
| New | +$10.5M |
|
|
OPTU
992
Optimum Communications Inc
OPTU
$290M
| $11.4M | 0.02% |
5,305,500
+1,323,100
| +33% | +$3.1M |
|
993
Clearway Energy Class C
CWEN
$4.94B
| $11.3M | 0.02% |
354,600
+106,900
| +43% | +$3.19M |
|
994
AbCellera Biologics
ABCL
$1.74B
| $11.3M | 0.02% |
3,307,429
+413,400
| +14% | +$1.03M |
|
995
SentinelOne
S
$6.31B
| $11.3M | 0.02% |
+619,084
| New | +$11.3M |
|
996
Varonis Systems
VRNS
$4.59B
| $11.3M | 0.02% |
222,900
-77,500
| -26% | -$3.52M |
|
997
MasTec
MTZ
$25.6B
| $11.3M | 0.02% |
+66,323
| New | +$9.55M |
|
998
WesBanco
WSBC
$3.99B
| $11.2M | 0.02% |
355,481
+26,700
| +8% | +$808K |
|
999
Healthpeak Properties
DOC
$15.2B
| $11.2M | 0.02% |
641,968
-153,300
| -19% | -$2.72M |
|
1000
Gentex
GNTX
$5.03B
| $11.2M | 0.01% |
510,996
+332,200
| +186% | +$7.26M |
|
Similar funds
Renaissance Technologies's Q2 2025 Portfolio in Review
As of Q2 2025, Renaissance Technologies held 4,018 positions worth $75.2B, up 14% from $66.1B the previous quarter. Its ten largest holdings account for 12% of the portfolio.
Renaissance Technologies's Q2 2025 filing shows 612 new, 1,577 increased, 1,314 reduced and 496 closed positions. Its largest new stake was UnitedHealth: 1,352,129 shares worth $422M. The largest sale was Broadcom, an estimated $527M.
By sector, the portfolio is most concentrated in Technology at 20% of assets, up from 17% a quarter earlier, followed by Healthcare and Consumer Discretionary.
- Renaissance Technologies's largest Q2 2025 buy was UnitedHealth: 1,352,129 shares worth $422M.
- Renaissance Technologies added most to NVIDIA in Q2 2025, an estimated $798M increase.
- Renaissance Technologies's biggest Q2 2025 reduction was Broadcom, cutting an estimated $527M.
- Renaissance Technologies fully exited Advanced Micro Devices in Q2 2025, selling an estimated $328M.
- Renaissance Technologies's ten largest holdings make up 12% of its $75.2B portfolio in Q2 2025.
- Renaissance Technologies opened 612 new positions and closed 496 in Q2 2025.
- Renaissance Technologies's portfolio value rose 14% quarter-over-quarter to $75.2B.
Based on Renaissance Technologies's 13F filing for Q2 2025, filed 13 Aug 2025.