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 |
Alphabet (Google) Class A
GOOGL
|
+$546M |
| 2 |
Microsoft
MSFT
|
+$480M |
| 3 |
Alphabet (Google) Class C
GOOG
|
+$362M |
| 4 |
Meta Platforms (Facebook)
META
|
+$350M |
| 5 |
Coca-Cola
KO
|
+$266M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Robinhood
HOOD
|
+$1.04B |
| 2 |
Palantir
PLTR
|
+$800M |
| 3 |
Apple
AAPL
|
+$516M |
| 4 |
Netflix
NFLX
|
+$326M |
| 5 |
NVIDIA
NVDA
|
+$313M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 21.71% |
| 2 | Healthcare | 15.16% |
| 3 | Consumer Discretionary | 11.81% |
| 4 | Communication Services | 10.53% |
| 5 | Financials | 9.27% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
|
MGIC
1226
DELISTED
Magic Software Enterprises
MGIC
| $7.66M | 0.01% |
375,212
-2,600
| -0.7% | -$52.9K |
|
1227
Kura Oncology
KURA
$816M
| $7.66M | 0.01% |
865,310
-191,700
| -18% | -$1.37M |
|
1228
The RMR Group
RMR
$322M
| $7.66M | 0.01% |
486,714
-93,200
| -16% | -$1.56M |
|
1229
Bausch Health
BHC
$2.62B
| $7.64M | 0.01% |
1,184,672
+423,689
| +56% | +$2.9M |
|
1230
ZipRecruiter
ZIP
$342M
| $7.64M | 0.01% |
1,810,400
+115,800
| +7% | +$541K |
|
1231
Ternium
TX
$9.76B
| $7.63M | 0.01% |
219,700
-28,200
| -11% | -$925K |
|
|
CLDT
1232
Chatham Lodging
CLDT
$614M
| $7.62M | 0.01% |
1,136,175
-15,792
| -1% | -$113K |
|
1233
Flywire
FLYW
$2.05B
| $7.61M | 0.01% |
562,200
+164,864
| +41% | +$2.03M |
|
1234
Listed Funds Trust Roundhill Magnificent Seven ETF
MAGS
$3.83B
| $7.59M | 0.01% |
+117,000
| New | +$6.99M |
|
1235
Sylvamo
SLVM
$1.52B
| $7.57M | 0.01% |
171,300
-60,200
| -26% | -$2.79M |
|
1236
Kodiak Sciences
KOD
$2.49B
| $7.55M | 0.01% |
461,300
-302,837
| -40% | -$2.61M |
|
|
BFIN
1237
DELISTED
BankFinancial
BFIN
| $7.53M | 0.01% |
626,187
-12,909
| -2% | -$153K |
|
1238
Allient
ALNT
$1.53B
| $7.53M | 0.01% |
168,222
+21,150
| +14% | +$904K |
|
|
TSSI
1239
TSS Inc
TSSI
$301M
| $7.52M | 0.01% |
415,100
+101,600
| +32% | +$2.03M |
|
1240
Astronics
ATRO
$3.51B
| $7.51M | 0.01% |
197,520
-216,360
| -52% | -$6.58M |
|
|
ETNB
1241
DELISTED
89bio
ETNB
| $7.5M | 0.01% |
510,500
-2,900
| -0.6% | -$29.6K |
|
1242
Monolithic Power Systems
MPWR
$66B
| $7.44M | 0.01% |
+8,086
| New | +$6.56M |
|
1243
Gentherm
THRM
$1.28B
| $7.44M | 0.01% |
218,564
+29,100
| +15% | +$985K |
|
|
ALE
1244
DELISTED
Allete
ALE
| $7.44M | 0.01% |
111,999
-185,200
| -62% | -$12M |
|
1245
Timberland Bancorp
TSBK
$353M
| $7.42M | 0.01% |
222,989
+8,600
| +4% | +$285K |
|
1246
WSFS Financial
WSFS
$4.19B
| $7.42M | 0.01% |
137,548
-94,878
| -41% | -$5.36M |
|
1247
RE/MAX Holdings
RMAX
$195M
| $7.42M | 0.01% |
786,369
-11,500
| -1% | -$102K |
|
1248
Invesco S&P 500 Top 50 ETF
XLG
$10.8B
| $7.41M | 0.01% |
128,900
+117,200
| +1,002% | +$6.41M |
|
|
TDAY
1249
USA Today Co
TDAY
$1.32B
| $7.41M | 0.01% |
1,794,324
-316,600
| -15% | -$1.27M |
|
|
RAL
1250
Ralliant Corp
RAL
$7.21B
| $7.41M | 0.01% |
169,400
+23,603
| +16% | +$1.05M |
|
Similar funds
Renaissance Technologies's Q3 2025 Portfolio in Review
As of Q3 2025, Renaissance Technologies held 4,038 positions worth $75.8B, up 0.77% from $75.2B the previous quarter. Its ten largest holdings account for 11% of the portfolio.
Renaissance Technologies withdrew a net $5.41B in Q3 2025, closing 581 positions and reducing 1,457 holdings. Its most notable exit was GE Aerospace, an estimated $235M position sold in full.
By sector, the portfolio is most concentrated in Technology at 22% of assets, up from 20% a quarter earlier, followed by Healthcare and Consumer Discretionary.
Against the trend, Renaissance Technologies opened a new position in Alphabet (Google) Class C worth $419M.
- Renaissance Technologies's largest Q3 2025 buy was Alphabet (Google) Class C: 1,720,002 shares worth $419M.
- Renaissance Technologies added most to Alphabet (Google) Class A in Q3 2025, an estimated $546M increase.
- Renaissance Technologies's biggest Q3 2025 reduction was Robinhood, cutting an estimated $1.04B.
- Renaissance Technologies fully exited GE Aerospace in Q3 2025, selling an estimated $235M.
- Renaissance Technologies's ten largest holdings make up 11% of its $75.8B portfolio in Q3 2025.
- Renaissance Technologies opened 516 new positions and closed 581 in Q3 2025.
- Renaissance Technologies's portfolio value rose 0.77% quarter-over-quarter to $75.8B.
Based on Renaissance Technologies's 13F filing for Q3 2025, filed 13 Nov 2025.