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 |
NVIDIA
NVDA
|
+$798M |
| 2 |
Netflix
NFLX
|
+$608M |
| 3 |
UnitedHealth
UNH
|
+$517M |
| 4 |
Apple
AAPL
|
+$461M |
| 5 |
GE Vernova
GEV
|
+$296M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Broadcom
AVGO
|
+$527M |
| 2 |
Alphabet (Google) Class A
GOOGL
|
+$372M |
| 3 |
Meta Platforms (Facebook)
META
|
+$362M |
| 4 |
Advanced Micro Devices
AMD
|
+$328M |
| 5 |
Palantir
PLTR
|
+$327M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 19.57% |
| 2 | Healthcare | 15.79% |
| 3 | Consumer Discretionary | 12.36% |
| 4 | Financials | 11.53% |
| 5 | Industrials | 8.92% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | Held Since | |
|---|---|---|---|---|---|---|---|
676
Progress Software
PRGS
$1.61B
| $21.7M | 0.03% |
340,629
-198,400
| -37% | -$12.1M |
2014 Q4
42 quarters
|
|
677
iRhythm Holdings
IRTC
$3.52B
| $21.7M | 0.03% |
141,200
+119,100
| +539% | +$15.4M |
2025 Q1
1 quarter
|
|
678
Protolabs
PRLB
$2.24B
| $21.7M | 0.03% |
542,051
+10,400
| +2% | +$387K |
2021 Q1
17 quarters
|
|
|
SFIX
679
Stitch Fix
SFIX
$379M
| $21.7M | 0.03% |
5,859,458
+134,900
| +2% | +$505K |
2021 Q3
15 quarters
|
|
|
KRMN
680
Karman Holdings
KRMN
$4.32B
| $21.6M | 0.03% |
+428,400
| New | +$17.2M |
2025 Q2
0 quarters
|
|
681
Bentley Systems
BSY
$10.6B
| $21.6M | 0.03% |
399,800
+112,300
| +39% | +$5.2M |
2024 Q3
3 quarters
|
|
682
Watts Water Technologies
WTS
$11.8B
| $21.5M | 0.03% |
87,600
+41,300
| +89% | +$9.29M |
2015 Q1
41 quarters
|
|
683
Watsco Inc
WSO
$11.5B
| $21.5M | 0.03% |
48,700
+10,700
| +28% | +$4.96M |
2024 Q3
3 quarters
|
|
684
Popular Inc
BPOP
$9.97B
| $21.5M | 0.03% |
195,125
+191,362
| +5,085% | +$18.9M |
2025 Q1
1 quarter
|
|
685
Sibanye-Stillwater
SBSW
$7.08B
| $21.4M | 0.03% |
2,967,604
+1,673,700
| +129% | +$9.15M |
2025 Q1
1 quarter
|
|
686
Sensata Technologies
ST
$6.15B
| $21.4M | 0.03% |
710,000
+18,200
| +3% | +$447K |
2024 Q2
4 quarters
|
|
687
LiveRamp
RAMP
$2.28B
| $21.4M | 0.03% |
646,972
+125,172
| +24% | +$3.64M |
2021 Q1
17 quarters
|
|
688
Dentsply Sirona
XRAY
$1.76B
| $21.3M | 0.03% |
1,341,058
+1,091,836
| +438% | +$16.3M |
2023 Q3
7 quarters
|
|
689
Digital Realty Trust
DLR
$66.3B
| $21.3M | 0.03% |
121,967
-372,416
| -75% | -$60.9M |
2024 Q2
4 quarters
|
|
690
Keurig Dr Pepper
KDP
$43.2B
| $21.3M | 0.03% |
642,800
+530,500
| +472% | +$17.9M |
2019 Q2
24 quarters
|
|
691
Vitamin Cottage Natural Grocers
NGVC
$684M
| $21.2M | 0.03% |
541,309
-37,200
| -6% | -$1.72M |
2015 Q2
40 quarters
|
|
692
Rush Enterprises Class B
RUSHB
$6.69B
| $21M | 0.03% |
600,821
+17,250
| +3% | +$626K |
2013 Q2
48 quarters
|
|
|
CSR
693
Centerspace
CSR
$940M
| $21M | 0.03% |
348,838
+20,284
| +6% | +$1.24M |
2014 Q3
43 quarters
|
|
694
PagerDuty
PD
$1.27B
| $21M | 0.03% |
1,373,738
+116,900
| +9% | +$1.82M |
2022 Q1
13 quarters
|
|
695
Unum
UNM
$14.5B
| $20.9M | 0.03% |
258,400
-205,200
| -44% | -$16.2M |
2023 Q1
9 quarters
|
|
|
IMOS
696
ChipMOS TECHNOLOGIES
IMOS
$2.7B
| $20.9M | 0.03% |
1,152,190
-16,000
| -1% | -$283K |
2013 Q2
48 quarters
|
|
697
Selective Insurance
SIGI
$5.02B
| $20.8M | 0.03% |
240,494
+186,300
| +344% | +$16.3M |
2023 Q3
7 quarters
|
|
698
Elevance Health
ELV
$89.5B
| $20.8M | 0.03% |
+53,573
| New | +$21.5M |
2025 Q2
0 quarters
|
|
699
Aramark
ARMK
$14.5B
| $20.8M | 0.03% |
497,200
+182,500
| +58% | +$6.78M |
2024 Q4
2 quarters
|
|
700
TAL Education Group
TAL
$7.13B
| $20.7M | 0.03% |
2,029,200
-14,600
| -0.7% | -$151K |
2022 Q1
13 quarters
|
|
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Renaissance Technologies's Q2 2025 Portfolio in Review
As of Q2 2025, Renaissance Technologies held 4,018 positions worth $75.2B, up 14% from $66.1B the previous quarter. Its ten largest holdings account for 12% of the portfolio.
Renaissance Technologies's Q2 2025 filing shows 612 new, 1,577 increased, 1,314 reduced and 496 closed positions. Its largest new stake was UnitedHealth: 1,352,129 shares worth $422M. The largest sale was Broadcom, an estimated $527M.
By sector, the portfolio is most concentrated in Technology at 20% of assets, up from 17% a quarter earlier, followed by Healthcare and Consumer Discretionary.
- Renaissance Technologies's largest Q2 2025 buy was UnitedHealth: 1,352,129 shares worth $422M.
- Renaissance Technologies added most to NVIDIA in Q2 2025, an estimated $798M increase.
- Renaissance Technologies's biggest Q2 2025 reduction was Broadcom, cutting an estimated $527M.
- Renaissance Technologies fully exited Advanced Micro Devices in Q2 2025, selling an estimated $328M.
- Renaissance Technologies's ten largest holdings make up 12% of its $75.2B portfolio in Q2 2025.
- Renaissance Technologies opened 612 new positions and closed 496 in Q2 2025.
- Renaissance Technologies's portfolio value rose 14% quarter-over-quarter to $75.2B.
Based on Renaissance Technologies's 13F filing for Q2 2025, filed 13 Aug 2025.