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 | 15.76% |
| 3 | Consumer Discretionary | 13.86% |
| 4 | Industrials | 9.95% |
| 5 | Financials | 8.79% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | Held Since | |
|---|---|---|---|---|---|---|---|
1801
First Trust Senior Loan Fund ETF
FTSL
$2.48B
| $2.21M | ﹤0.01% |
48,105
-273,325
| -85% | -$12.5M |
2022 Q4
12 quarters
|
|
1802
Nordic American Tanker
NAT
$1.86B
| $2.21M | ﹤0.01% |
641,407
-415,693
| -39% | -$1.47M |
2023 Q3
9 quarters
|
|
1803
Morgan Stanley Direct Lending Fund
MSDL
$1.11B
| $2.2M | ﹤0.01% |
133,500
-389,288
| -74% | -$6.58M |
2024 Q3
5 quarters
|
|
1804
Flowco Holdings
FLOC
$856M
| $2.2M | ﹤0.01% |
117,300
-40,100
| -25% | -$669K |
2025 Q1
3 quarters
|
|
1805
Babcock & Wilcox
BW
$742M
| $2.19M | ﹤0.01% |
345,500
+295,800
| +595% | +$1.46M |
2025 Q3
1 quarter
|
|
1806
Adtran
ADTN
$567M
| $2.19M | ﹤0.01% |
251,840
-19,794
| -7% | -$172K |
2014 Q1
47 quarters
|
|
1807
Sight Sciences
SGHT
$462M
| $2.19M | ﹤0.01% |
275,900
-99,900
| -27% | -$638K |
2023 Q2
10 quarters
|
|
1808
Jack in the Box
JACK
$237M
| $2.19M | ﹤0.01% |
+115,400
| New | +$2.09M |
2025 Q4
0 quarters
|
|
1809
WSFS Financial
WSFS
$3.86B
| $2.18M | ﹤0.01% |
39,477
-98,071
| -71% | -$5.37M |
2013 Q2
50 quarters
|
|
1810
Fulgent Genetics
FLGT
$579M
| $2.18M | ﹤0.01% |
+82,864
| New | +$2.15M |
2025 Q4
0 quarters
|
|
1811
CryoPort
CYRX
$859M
| $2.17M | ﹤0.01% |
226,040
-163,170
| -42% | -$1.54M |
2024 Q4
4 quarters
|
|
1812
Integra Resources
ITRG
$503M
| $2.17M | ﹤0.01% |
540,700
-466,380
| -46% | -$1.57M |
2021 Q4
16 quarters
|
|
1813
KinderCare Learning Companies
KLC
$218M
| $2.16M | ﹤0.01% |
500,900
+264,100
| +112% | +$1.33M |
2024 Q4
4 quarters
|
|
1814
Lexeo Therapeutics
LXEO
$225M
| $2.16M | ﹤0.01% |
217,772
+68,472
| +46% | +$625K |
2025 Q1
3 quarters
|
|
1815
Direxion Daily TSLA Bear 1X ETF
TSLS
$46.5M
| $2.16M | ﹤0.01% |
+42,520
| New | +$2.25M |
2025 Q4
0 quarters
|
|
1816
Trio-Tech International Common Stock
TRT
$57M
| $2.15M | ﹤0.01% |
325,356
-18,670
| -5% | -$78.7K |
2013 Q2
50 quarters
|
|
1817
NMI Holdings
NMIH
$2.98B
| $2.15M | ﹤0.01% |
52,653
-111,600
| -68% | -$4.22M |
2022 Q2
14 quarters
|
|
1818
CF Bankshares
CFBK
$221M
| $2.15M | ﹤0.01% |
86,079
+30,400
| +55% | +$726K |
2025 Q2
2 quarters
|
|
1819
Microvast
MVST
$214M
| $2.14M | ﹤0.01% |
+763,768
| New | +$3.19M |
2025 Q4
0 quarters
|
|
1820
Jefferson Capital
JCAP
$1.18B
| $2.14M | ﹤0.01% |
95,600
+31,600
| +49% | +$638K |
2025 Q3
1 quarter
|
|
1821
Bullish
BLSH
$4.82B
| $2.13M | ﹤0.01% |
+56,333
| New | +$2.74M |
2025 Q4
0 quarters
|
|
1822
Westwater Resources
WWR
$56.4M
| $2.13M | ﹤0.01% |
2,836,890
+1,783,833
| +169% | +$2.21M |
2024 Q2
6 quarters
|
|
1823
Costamare Bulkers Holdings
CMDB
$518M
| $2.13M | ﹤0.01% |
138,049
-14,797
| -10% | -$214K |
2025 Q2
2 quarters
|
|
1824
The GEO Group
GEO
$4.24B
| $2.12M | ﹤0.01% |
131,691
+113,000
| +605% | +$1.88M |
2024 Q4
4 quarters
|
|
1825
Onity Group
ONIT
$224M
| $2.12M | ﹤0.01% |
46,236
-17,827
| -28% | -$732K |
2024 Q3
5 quarters
|
|
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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 736 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 736 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.