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 |
Costco
COST
|
+$616M |
| 2 |
Netflix
NFLX
|
+$481M |
| 3 |
Micron Technology
MU
|
+$416M |
| 4 |
Tesla
TSLA
|
+$416M |
| 5 |
Procter & Gamble
PG
|
+$322M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
NVIDIA
NVDA
|
+$885M |
| 2 |
Alphabet (Google) Class A
GOOGL
|
+$660M |
| 3 |
Alphabet (Google) Class C
GOOG
|
+$463M |
| 4 |
Applovin
APP
|
+$430M |
| 5 |
Meta Platforms (Facebook)
META
|
+$354M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 20.84% |
| 2 | Healthcare | 15.77% |
| 3 | Consumer Discretionary | 13.88% |
| 4 | Industrials | 9.94% |
| 5 | Financials | 8.79% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
1601
Franklin International Low Volatility High Dividend Index ETF
LVHI
$5.45B
| $3.21M | 0.01% |
87,172
-44,049
| -34% | -$1.59M |
|
1602
ScottsMiracle-Gro
SMG
$3.86B
| $3.18M | ﹤0.01% |
54,500
-307,700
| -85% | -$17.3M |
|
1603
LCI Industries
LCII
$2.6B
| $3.18M | ﹤0.01% |
26,197
-56,403
| -68% | -$6M |
|
1604
BlackRock Flexible Income ETF
BINC
$16.1B
| $3.17M | ﹤0.01% |
60,151
-512,502
| -89% | -$27.2M |
|
1605
Digital Realty Trust
DLR
$71.7B
| $3.17M | ﹤0.01% |
20,502
-96,681
| -83% | -$15.9M |
|
1606
ECARX Holdings
ECX
$432M
| $3.17M | ﹤0.01% |
1,842,100
+667,800
| +57% | +$1.35M |
|
1607
ProShares Ultra Bitcoin ETF
BITU
$351M
| $3.17M | ﹤0.01% |
143,400
+135,100
| +1,628% | +$5.26M |
|
1608
Erasca
ERAS
$6.38B
| $3.16M | ﹤0.01% |
850,100
-164,905
| -16% | -$464K |
|
1609
Goldman Sachs ETF Trust Goldman Sachs Nasdaq-100 Premium Income ETF
GPIQ
$5.26B
| $3.16M | ﹤0.01% |
59,800
-1,600
| -3% | -$84.5K |
|
1610
Nkarta
NKTX
$162M
| $3.15M | ﹤0.01% |
1,702,022
+556,945
| +49% | +$1.11M |
|
|
PRA
1611
DELISTED
ProAssurance
PRA
| $3.15M | ﹤0.01% |
130,200
-193,500
| -60% | -$4.65M |
|
1612
Tucows
TCX
$162M
| $3.14M | ﹤0.01% |
139,851
-6,500
| -4% | -$132K |
|
|
EFXT
1613
Enerflex
EFXT
$2.72B
| $3.13M | ﹤0.01% |
203,100
-41,700
| -17% | -$554K |
|
1614
iShares Expanded Tech-Software Sector ETF
IGV
$14.4B
| $3.13M | ﹤0.01% |
29,600
+19,600
| +196% | +$2.15M |
|
1615
White Mountains Insurance
WTM
$5.25B
| $3.12M | ﹤0.01% |
1,501
-350
| -19% | -$684K |
|
1616
ProShares Ultra S&P500
SSO
$8.32B
| $3.12M | ﹤0.01% |
53,800
+1,600
| +3% | +$91.6K |
|
1617
Chegg
CHGG
$115M
| $3.1M | ﹤0.01% |
3,335,980
+279,890
| +9% | +$305K |
|
|
RAPT
1618
DELISTED
RAPT Therapeutics
RAPT
| $3.09M | ﹤0.01% |
91,173
+56,862
| +166% | +$1.77M |
|
1619
Sylvamo
SLVM
$1.56B
| $3.07M | ﹤0.01% |
63,700
-107,600
| -63% | -$4.9M |
|
1620
Varex Imaging
VREX
$521M
| $3.06M | ﹤0.01% |
263,000
-1,900
| -0.7% | -$22.3K |
|
1621
C4 Therapeutics
CCCC
$399M
| $3.06M | ﹤0.01% |
1,602,580
+665,630
| +71% | +$1.58M |
|
1622
JetBlue
JBLU
$2.42B
| $3.04M | ﹤0.01% |
668,700
+626,700
| +1,492% | +$2.86M |
|
|
RYZ
1623
Ryerson Holding Corp
RYZ
$1.4B
| $3.01M | ﹤0.01% |
119,697
-40,859
| -25% | -$940K |
|
1624
Vaxcyte
PCVX
$7.9B
| $3.01M | ﹤0.01% |
65,211
-15,266
| -19% | -$683K |
|
1625
La-Z-Boy
LZB
$1.67B
| $3.01M | ﹤0.01% |
80,700
+16,400
| +26% | +$575K |
|
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Renaissance Technologies's Q4 2025 Portfolio in Review
As of Q4 2025, Renaissance Technologies held 3,923 positions worth $64.5B, down 15% from $75.8B the previous quarter. Its ten largest holdings account for 12% of the portfolio.
Renaissance Technologies withdrew a net $10.1B in Q4 2025, closing 737 positions and reducing 1,682 holdings. Its most notable exit was Meta Platforms (Facebook), an estimated $354M position sold in full.
By sector, the portfolio is most concentrated in Technology at 21% of assets, down from 22% a quarter earlier, followed by Healthcare and Consumer Discretionary.
Against the trend, Renaissance Technologies opened a new position in ServiceNow worth $204M.
- Renaissance Technologies's largest Q4 2025 buy was ServiceNow: 1,331,977 shares worth $204M.
- Renaissance Technologies added most to Costco in Q4 2025, an estimated $616M increase.
- Renaissance Technologies's biggest Q4 2025 reduction was NVIDIA, cutting an estimated $885M.
- Renaissance Technologies fully exited Meta Platforms (Facebook) in Q4 2025, selling an estimated $354M.
- Renaissance Technologies's ten largest holdings make up 12% of its $64.5B portfolio in Q4 2025.
- Renaissance Technologies opened 466 new positions and closed 737 in Q4 2025.
- Renaissance Technologies's portfolio value fell 15% quarter-over-quarter to $64.5B.
Based on Renaissance Technologies's 13F filing for Q4 2025, filed 12 Feb 2026.