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 | |
|---|---|---|---|---|---|---|
1851
Alector
ALEC
$165M
| $2.81M | ﹤0.01% |
949,150
-305,700
| -24% | -$673K |
|
|
WCC
1852
WESCO International
WCC
$18.2B
| $2.81M | ﹤0.01% |
13,274
-134,100
| -91% | -$28.2M |
|
1853
Horizon Bancorp
HBNC
$1.06B
| $2.8M | ﹤0.01% |
174,581
-27,635
| -14% | -$443K |
|
1854
Northwest Bancshares
NWBI
$2.34B
| $2.79M | ﹤0.01% |
225,241
+22,542
| +11% | +$283K |
|
1855
MillerKnoll
MLKN
$1.63B
| $2.79M | ﹤0.01% |
157,083
-65,700
| -29% | -$1.33M |
|
1856
Oceaneering
OII
$4.78B
| $2.78M | ﹤0.01% |
112,300
+26,700
| +31% | +$612K |
|
|
VOXR
1857
Vox Royalty Corp
VOXR
$340M
| $2.78M | ﹤0.01% |
646,600
+103,492
| +19% | +$355K |
|
1858
Abeona Therapeutics
ABEO
$388M
| $2.78M | ﹤0.01% |
526,437
+226,500
| +76% | +$1.44M |
|
1859
Larimar Therapeutics
LRMR
$426M
| $2.77M | ﹤0.01% |
858,642
+296,900
| +53% | +$1.11M |
|
1860
Dimensional US Core Equity 2 ETF
DFAC
$49.2B
| $2.77M | ﹤0.01% |
71,900
+7,100
| +11% | +$265K |
|
|
INFA
1861
DELISTED
Informatica
INFA
| $2.77M | ﹤0.01% |
+111,500
| New | +$2.75M |
|
1862
Direxion Daily FTSE China Bull 3X ETF
YINN
$740M
| $2.77M | ﹤0.01% |
+51,000
| New | +$2.37M |
|
1863
Cytek Biosciences
CTKB
$540M
| $2.76M | ﹤0.01% |
795,544
-267,595
| -25% | -$1M |
|
1864
BlackRock US Equity Factor Rotation ETF
DYNF
$39.7B
| $2.76M | ﹤0.01% |
46,600
-60,600
| -57% | -$3.44M |
|
1865
Delcath Systems
DCTH
$436M
| $2.75M | ﹤0.01% |
256,200
+78,200
| +44% | +$873K |
|
1866
Eastern Company
EML
$147M
| $2.74M | ﹤0.01% |
116,636
+1,499
| +1% | +$35.5K |
|
1867
Natural Health Trends
NHTC
$13.8M
| $2.73M | ﹤0.01% |
611,315
-10,100
| -2% | -$45.9K |
|
1868
Culp Inc
CULP
$44.3M
| $2.73M | ﹤0.01% |
612,917
-1,200
| -0.2% | -$5.21K |
|
1869
Shutterstock
SSTK
$229M
| $2.73M | ﹤0.01% |
131,001
+69,900
| +114% | +$1.42M |
|
1870
Spero Therapeutics
SPRO
$73M
| $2.73M | ﹤0.01% |
1,452,765
+620,600
| +75% | +$1.36M |
|
1871
Turkcell
TKC
$4.73B
| $2.73M | ﹤0.01% |
453,185
+88,285
| +24% | +$516K |
|
1872
4D Molecular Therapeutics
FDMT
$537M
| $2.72M | ﹤0.01% |
313,186
+196,633
| +169% | +$1.18M |
|
1873
Definitive Healthcare
DH
$70.4M
| $2.72M | ﹤0.01% |
670,240
-33,191
| -5% | -$133K |
|
1874
Tenaya Therapeutics
TNYA
$170M
| $2.72M | ﹤0.01% |
1,678,202
-165,677
| -9% | -$167K |
|
1875
Rush Enterprises Class A
RUSHA
$6.36B
| $2.72M | ﹤0.01% |
50,800
-21,700
| -30% | -$1.21M |
|
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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 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.