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 | |
|---|---|---|---|---|---|---|
826
BlackBerry
BB
$4.98B
| $16.4M | 0.02% |
3,363,043
-5,742,200
| -63% | -$22.8M |
|
827
First Trust Preferred Securities and Income ETF
FPE
$6.32B
| $16.4M | 0.02% |
898,623
+193,885
| +28% | +$3.5M |
|
828
CareTrust REIT
CTRE
$9.91B
| $16.4M | 0.02% |
472,500
-384,838
| -45% | -$12.7M |
|
829
Sensient Technologies
SXT
$5.26B
| $16.4M | 0.02% |
174,400
+133,352
| +325% | +$14.6M |
|
|
APLS
830
DELISTED
Apellis Pharmaceuticals
APLS
| $16.4M | 0.02% |
722,895
+711,907
| +6,479% | +$16.6M |
|
|
USAR
831
USA Rare Earth Inc
USAR
$3.66B
| $16.4M | 0.02% |
+951,400
| New | +$13.6M |
|
832
Selective Insurance
SIGI
$5.65B
| $16.3M | 0.02% |
201,494
-39,000
| -16% | -$3.15M |
|
833
MACOM Technology Solutions
MTSI
$19.2B
| $16.3M | 0.02% |
+131,215
| New | +$17.3M |
|
834
Transmedics
TMDX
$2.64B
| $16.3M | 0.02% |
+145,199
| New | +$17M |
|
835
Boise Cascade
BCC
$2.69B
| $16.3M | 0.02% |
210,249
+64,900
| +45% | +$5.56M |
|
836
BioCryst Pharmaceuticals
BCRX
$2.28B
| $16.2M | 0.02% |
2,140,534
-386,200
| -15% | -$3.22M |
|
837
KT
KT
$8.62B
| $16.2M | 0.02% |
832,593
+432,900
| +108% | +$8.82M |
|
838
SPDR Gold MiniShares Trust
GLDM
$27.5B
| $16.2M | 0.02% |
+211,900
| New | +$14.5M |
|
839
Southwest Gas
SWX
$6.47B
| $16.2M | 0.02% |
206,300
+110,500
| +115% | +$8.61M |
|
840
MSC Industrial Direct
MSM
$6.89B
| $16.1M | 0.02% |
175,200
-62,400
| -26% | -$5.57M |
|
841
Affiliated Managers Group
AMG
$9.69B
| $16M | 0.02% |
67,300
+22,900
| +52% | +$5.05M |
|
842
Aurinia Pharmaceuticals
AUPH
$1.91B
| $16M | 0.02% |
1,449,600
+291,800
| +25% | +$3.19M |
|
843
Metallus
MTUS
$838M
| $16M | 0.02% |
968,833
+300
| +0% | +$4.89K |
|
844
Calix
CALX
$2.26B
| $16M | 0.02% |
260,818
+23,200
| +10% | +$1.34M |
|
845
Cytokinetics
CYTK
$10.5B
| $15.9M | 0.02% |
289,967
+279,800
| +2,752% | +$11.5M |
|
846
Haverty Furniture Companies
HVT
$397M
| $15.9M | 0.02% |
724,206
+6,600
| +0.9% | +$147K |
|
847
ResMed
RMD
$30.6B
| $15.9M | 0.02% |
58,000
-45,000
| -44% | -$12.3M |
|
848
Cooper-Standard Automotive
CPS
$523M
| $15.9M | 0.02% |
429,500
+87,700
| +26% | +$2.67M |
|
849
Nektar Therapeutics
NKTR
$2.39B
| $15.8M | 0.02% |
278,541
+31,481
| +13% | +$1.04M |
|
850
LeMaitre Vascular
LMAT
$2.32B
| $15.8M | 0.02% |
180,602
+21,902
| +14% | +$1.96M |
|
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.