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 | |
|---|---|---|---|---|---|---|---|
1626
Ladder Capital
LADR
$1.11B
| $4.03M | 0.01% |
+369,093
| New | +$4.15M |
2025 Q3
0 quarters
|
|
1627
Bicycle Therapeutics
BCYC
$266M
| $4.01M | 0.01% |
518,700
+200,300
| +63% | +$1.51M |
2023 Q1
10 quarters
|
|
1628
Fidelity MSCI Energy Index ETF
FENY
$2.2B
| $3.99M | 0.01% |
+161,600
| New | +$3.91M |
2025 Q3
0 quarters
|
|
|
CNTA
1629
DELISTED
Centessa Pharmaceuticals
CNTA
| $3.99M | 0.01% |
164,600
-220,300
| -57% | -$3.92M |
2023 Q1
10 quarters
|
|
1630
Kingsway Corp
KWY
$274M
| $3.97M | 0.01% |
271,415
+8,700
| +3% | +$125K |
2014 Q2
45 quarters
|
|
1631
iShares Biotechnology ETF
IBB
$10.5B
| $3.97M | 0.01% |
+27,482
| New | +$3.75M |
2025 Q3
0 quarters
|
|
1632
Vanguard Morningstar Mid-Cap ETF
VO
$107B
| $3.97M | 0.01% |
54,000
-28,400
| -34% | -$2.04M |
2024 Q3
4 quarters
|
|
1633
Espey Mfg & Electronics Corp
ESP
$168M
| $3.96M | 0.01% |
100,065
-7,047
| -7% | -$329K |
2013 Q2
49 quarters
|
|
1634
Acco Brands
ACCO
$419M
| $3.96M | 0.01% |
992,047
+285,747
| +40% | +$1.11M |
2021 Q4
15 quarters
|
|
1635
DELISTED
Spirit AeroSystems
SPR
| $3.95M | 0.01% |
+102,300
| New | +$4.09M |
2025 Q3
0 quarters
|
|
1636
Perpetua Resources
PPTA
$2.53B
| $3.94M | 0.01% |
+194,693
| New | +$3.29M |
2025 Q3
0 quarters
|
|
1637
Assembly Biosciences
ASMB
$464M
| $3.93M | 0.01% |
153,611
+46,090
| +43% | +$1.01M |
2017 Q1
34 quarters
|
|
1638
CoreCivic
CXW
$3.32B
| $3.93M | 0.01% |
193,103
+115,400
| +149% | +$2.39M |
2025 Q1
2 quarters
|
|
1639
Mission Produce
AVO
$1.01B
| $3.92M | 0.01% |
326,000
+29,000
| +10% | +$358K |
2024 Q3
4 quarters
|
|
1640
Emcor
EME
$34.4B
| $3.9M | 0.01% |
6,000
-17,500
| -74% | -$10.6M |
2020 Q1
22 quarters
|
|
1641
U.S. High Relative Profitability Portfolio ETF Class Shares
DUHP
$12.9B
| $3.89M | 0.01% |
103,100
+47,000
| +84% | +$1.72M |
2025 Q2
1 quarter
|
|
1642
Digi International
DGII
$2.85B
| $3.87M | 0.01% |
106,184
+17,601
| +20% | +$605K |
2024 Q4
3 quarters
|
|
1643
Backblaze
BLZE
$783M
| $3.87M | 0.01% |
416,816
-21,100
| -5% | -$155K |
2022 Q1
14 quarters
|
|
1644
Schwab Intermediately-Term US Treasury ETF
SCHR
$13.2B
| $3.87M | 0.01% |
153,900
+117,300
| +320% | +$2.93M |
2025 Q1
2 quarters
|
|
1645
Direxion Daily Financial Bull 3x ETF
FAS
$2.09B
| $3.86M | 0.01% |
+21,700
| New | +$3.72M |
2025 Q3
0 quarters
|
|
1646
Guardian Pharmacy Services
GRDN
$2.56B
| $3.85M | 0.01% |
146,600
+109,900
| +299% | +$2.62M |
2024 Q4
3 quarters
|
|
1647
Primoris Services
PRIM
$4.46B
| $3.84M | 0.01% |
27,991
+15,500
| +124% | +$1.66M |
2025 Q2
1 quarter
|
|
1648
Evolus
EOLS
$512M
| $3.84M | 0.01% |
626,000
+284,600
| +83% | +$2.22M |
2025 Q1
2 quarters
|
|
1649
iShares Core S&P US Value ETF
IUSV
$27.7B
| $3.83M | 0.01% |
38,300
+7,300
| +24% | +$711K |
2025 Q2
1 quarter
|
|
1650
Pursuit Attractions and Hospitality Inc
PRSU
$1.45B
| $3.82M | 0.01% |
105,500
-7,400
| -7% | -$250K |
2023 Q4
7 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.