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 | |
|---|---|---|---|---|---|---|---|
1426
Invesco KBW Bank ETF
KBWB
$6.22B
| $4.03M | 0.01% |
47,800
-19,500
| -29% | -$1.54M |
2025 Q2
2 quarters
|
|
1427
Annexon
ANNX
$762M
| $4.03M | 0.01% |
802,600
+49,021
| +7% | +$187K |
2021 Q4
16 quarters
|
|
1428
American Superconductor
AMSC
$1.48B
| $4.03M | 0.01% |
139,989
-184,000
| -57% | -$7.96M |
2025 Q3
1 quarter
|
|
1429
Sanmina
SANM
$11.7B
| $4.03M | 0.01% |
+26,833
| New | +$3.96M |
2025 Q4
0 quarters
|
|
1430
WaterBridge Infrastructure LLC
WBI
$1.66B
| $4.03M | 0.01% |
+201,200
| New | +$4.67M |
2025 Q4
0 quarters
|
|
1431
Wave Life Sciences
WVE
$682M
| $4.02M | 0.01% |
+236,420
| New | +$2.4M |
2025 Q4
0 quarters
|
|
1432
ICF International
ICFI
$1.57B
| $4.02M | 0.01% |
47,100
-60,400
| -56% | -$5.13M |
2025 Q2
2 quarters
|
|
1433
Lineage Cell Therapeutics
LCTX
$251M
| $4.02M | 0.01% |
2,404,800
+499,167
| +26% | +$864K |
2023 Q2
10 quarters
|
|
1434
Nelnet
NNI
$4.48B
| $4.02M | 0.01% |
30,200
+17,300
| +134% | +$2.26M |
2024 Q2
6 quarters
|
|
1435
Bicycle Therapeutics
BCYC
$272M
| $4.01M | 0.01% |
566,600
+47,900
| +9% | +$353K |
2023 Q1
11 quarters
|
|
1436
Public Service Enterprise Group
PEG
$36B
| $4.01M | 0.01% |
49,900
-227,100
| -82% | -$18.5M |
2025 Q1
3 quarters
|
|
1437
iShares MSCI EAFE Small-Cap ETF
SCZ
$12.7B
| $4M | 0.01% |
+51,600
| New | +$3.96M |
2025 Q4
0 quarters
|
|
1438
Invesco Mortgage Capital
IVR
$621M
| $4M | 0.01% |
475,600
-205,652
| -30% | -$1.61M |
2021 Q4
16 quarters
|
|
1439
Prime Medicine
PRME
$724M
| $3.99M | 0.01% |
1,149,159
+14,489
| +1% | +$64.4K |
2025 Q1
3 quarters
|
|
1440
Cars.com
CARS
$520M
| $3.98M | 0.01% |
326,198
-246,902
| -43% | -$2.87M |
2021 Q2
18 quarters
|
|
1441
Impinj
PI
$5.79B
| $3.97M | 0.01% |
+22,800
| New | +$4.06M |
2025 Q4
0 quarters
|
|
1442
Galaxy Digital Inc
GLXY
$3.95B
| $3.95M | 0.01% |
+176,721
| New | +$5.47M |
2025 Q4
0 quarters
|
|
1443
Primis Financial Corp
FRST
$378M
| $3.94M | 0.01% |
283,470
-12,800
| -4% | -$145K |
2016 Q2
38 quarters
|
|
1444
Replimune Group
REPL
$1.26B
| $3.94M | 0.01% |
+405,053
| New | +$3.44M |
2025 Q4
0 quarters
|
|
1445
VanEck Bitcoin Trust
HODL
$1.37B
| $3.93M | 0.01% |
159,100
+69,000
| +77% | +$1.95M |
2024 Q4
4 quarters
|
|
1446
BlackRock US Equity Factor Rotation ETF
DYNF
$42.8B
| $3.93M | 0.01% |
64,600
+18,000
| +39% | +$1.08M |
2025 Q2
2 quarters
|
|
1447
PetMed Express
PETS
$27.7M
| $3.93M | 0.01% |
1,226,569
-42,400
| -3% | -$106K |
2013 Q2
50 quarters
|
|
1448
DELISTED
Janus Henderson
JHG
| $3.92M | 0.01% |
+82,500
| New | +$3.65M |
2025 Q4
0 quarters
|
|
1449
Bright Horizons
BFAM
$3.38B
| $3.92M | 0.01% |
38,700
-89,900
| -70% | -$9.07M |
2025 Q3
1 quarter
|
|
1450
Diana Shipping
DSX
$351M
| $3.92M | 0.01% |
2,361,713
+246,300
| +12% | +$429K |
2013 Q2
50 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.