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 | 15.15% |
| 3 | Consumer Discretionary | 11.78% |
| 4 | Communication Services | 10.55% |
| 5 | Financials | 9.27% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | Held Since | |
|---|---|---|---|---|---|---|---|
2976
D-Market Electronic Services & Trading
HEPS
$1.17B
| $318K | ﹤0.01% |
118,188
-137,512
| -54% | -$382K |
2022 Q2
13 quarters
|
|
2977
MarketWise
MKTW
$53.8M
| $314K | ﹤0.01% |
18,999
+500
| +3% | +$9.17K |
2021 Q4
15 quarters
|
|
2978
CISO Global
CISO
$8.63M
| $312K | ﹤0.01% |
+297,500
| New | +$314K |
2025 Q3
0 quarters
|
|
|
AXIA.PR
2979
DELISTED
AXIA Energia American Depositary Shares Preferred Class B1
AXIA.PR
| $312K | ﹤0.01% |
38,011
-4,042
| -10% | -$27.3K |
2024 Q3
4 quarters
|
|
2980
Context Therapeutics
CNTX
$27.9M
| $310K | ﹤0.01% |
320,127
-43,803
| -12% | -$35.5K |
2022 Q3
12 quarters
|
|
2981
Summit Midstream
SMC
$440M
| $308K | ﹤0.01% |
+15,000
| New | +$348K |
2025 Q3
0 quarters
|
|
2982
Inuvo
INUV
$8.51M
| $307K | ﹤0.01% |
87,541
-30,376
| -26% | -$131K |
2021 Q4
15 quarters
|
|
2983
Mammoth Energy Services
TUSK
$136M
| $307K | ﹤0.01% |
133,972
+1,800
| +1% | +$4.43K |
2020 Q2
21 quarters
|
|
2984
Magnachip Semiconductor
MX
$233M
| $306K | ﹤0.01% |
+97,900
| New | +$332K |
2025 Q3
0 quarters
|
|
2985
Lisata Therapeutics
LSTA
$11.5M
| $306K | ﹤0.01% |
116,622
+13,800
| +13% | +$34.6K |
2016 Q2
37 quarters
|
|
2986
Compass Minerals
CMP
$957M
| $305K | ﹤0.01% |
+15,900
| New | +$316K |
2025 Q3
0 quarters
|
|
2987
ImageneBio Inc
IMA
$48.1M
| $305K | ﹤0.01% |
37,378
+11,640
| +45% | +$154K |
2024 Q1
6 quarters
|
|
2988
Alto Neuroscience
ANRO
$956M
| $305K | ﹤0.01% |
75,772
+41,072
| +118% | +$136K |
2025 Q2
1 quarter
|
|
2989
Broadwind
BWEN
$91.6M
| $305K | ﹤0.01% |
145,000
+79,600
| +122% | +$178K |
2022 Q3
12 quarters
|
|
2990
NexPoint Diversified Real Estate Trust
NXDT
$273M
| $304K | ﹤0.01% |
+82,435
| New | +$351K |
2025 Q3
0 quarters
|
|
2991
Guardforce AI
GFAI
$8.18M
| $303K | ﹤0.01% |
275,900
+70,200
| +34% | +$82.8K |
2024 Q3
4 quarters
|
|
2992
DELISTED
Mural Oncology
MURA
| $302K | ﹤0.01% |
146,000
+134,200
| +1,137% | +$288K |
2025 Q2
1 quarter
|
|
2993
ALX Oncology
ALXO
$173M
| $301K | ﹤0.01% |
164,499
+79,100
| +93% | +$68.5K |
2025 Q1
2 quarters
|
|
2994
NanoViricides
NNVC
$33.2M
| $301K | ﹤0.01% |
210,500
+99,100
| +89% | +$148K |
2021 Q4
15 quarters
|
|
2995
Catalyst Bancorp
CLST
$67.8M
| $301K | ﹤0.01% |
22,800
+600
| +3% | +$7.61K |
2024 Q3
4 quarters
|
|
2996
PROG Holdings
PRG
$1.21B
| $300K | ﹤0.01% |
9,284
-112,000
| -92% | -$3.67M |
2022 Q3
12 quarters
|
|
2997
iShares US Home Construction ETF
ITB
$2.28B
| $300K | ﹤0.01% |
+2,800
| New | +$295K |
2025 Q3
0 quarters
|
|
2998
Silgan Holdings
SLGN
$3.75B
| $300K | ﹤0.01% |
6,980
-52,600
| -88% | -$2.54M |
2025 Q1
2 quarters
|
|
|
SVC
2999
Service Properties Trust
SVC
$926M
| $299K | ﹤0.01% |
22,080
-17,520
| -44% | -$237K |
2024 Q4
3 quarters
|
|
3000
Co-Diagnostics
CODX
$7.82M
| $298K | ﹤0.01% |
28,917
+10,216
| +55% | +$95K |
2021 Q2
17 quarters
|
|
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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 515 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.