Jim Simons Renaissance Technologies
Jim Simons is the founder of Renaissance Technologies, one of the most successful quantitative hedge funds in the world. Before his career in finance, he served as a mathematics professor and made significant contributions to differential geometry. Simons applied his analytical expertise to develop sophisticated, algorithm-driven trading strategies, earning consistently high returns for investors.
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 | 15.8% |
| 3 | Consumer Discretionary | 12.38% |
| 4 | Financials | 11.53% |
| 5 | Industrials | 8.92% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
451
Travere Therapeutics
TVTX
$5.78B
| $36.9M | 0.05% |
2,495,114
-207,700
| -8% | -$3.44M |
|
452
Lucid Motors
LCID
$2.57B
| $36.8M | 0.05% |
1,745,135
+299,398
| +21% | +$7.17M |
|
|
TTAN
453
ServiceTitan Inc
TTAN
$8.51B
| $36.5M | 0.05% |
340,500
+314,100
| +1,190% | +$35.1M |
|
454
Teekay
TK
$1.03B
| $36.3M | 0.05% |
4,396,122
+239,747
| +6% | +$1.86M |
|
455
Riot Platforms
RIOT
$7.85B
| $36.2M | 0.05% |
+3,201,149
| New | +$27.2M |
|
456
International Flavors & Fragrances
IFF
$21.4B
| $35.9M | 0.05% |
487,827
-141,673
| -23% | -$10.7M |
|
|
SEZL
457
Sezzle
SEZL
$4.21B
| $35.8M | 0.05% |
+199,900
| New | +$17.7M |
|
|
AMED
458
DELISTED
Amedisys
AMED
| $35.8M | 0.05% |
364,098
+329,198
| +943% | +$31.1M |
|
|
SWTX
459
DELISTED
SpringWorks Therapeutics
SWTX
| $35.7M | 0.05% |
760,600
+574,700
| +309% | +$25.6M |
|
460
Moelis & Co
MC
$4.93B
| $35.7M | 0.05% |
572,144
+78,780
| +16% | +$4.42M |
|
461
Zeta Global
ZETA
$7.18B
| $35.5M | 0.05% |
2,290,410
-1,206,900
| -35% | -$16M |
|
462
Usana Health Sciences
USNA
$254M
| $35.3M | 0.05% |
1,154,830
+69,566
| +6% | +$1.98M |
|
|
WAY
463
Waystar Holding Corp
WAY
$4.72B
| $35.2M | 0.05% |
860,800
+187,100
| +28% | +$7.21M |
|
464
Wabtec
WAB
$50.1B
| $35.1M | 0.05% |
167,895
+9,695
| +6% | +$1.86M |
|
465
Guardant Health
GH
$22.1B
| $35.1M | 0.05% |
675,200
+58,700
| +10% | +$2.62M |
|
466
Alignment Healthcare
ALHC
$2.81B
| $35M | 0.05% |
2,497,700
+440,200
| +21% | +$7.09M |
|
467
Camden Property Trust
CPT
$10.9B
| $35M | 0.05% |
310,200
+196,902
| +174% | +$22.7M |
|
468
CenterPoint Energy
CNP
$26.7B
| $34.8M | 0.05% |
+947,146
| New | +$35.1M |
|
469
Snap-on
SNA
$21.1B
| $34.7M | 0.05% |
111,600
+39,100
| +54% | +$12.4M |
|
470
MetLife
MET
$61.4B
| $34.7M | 0.05% |
431,700
+248,100
| +135% | +$19.1M |
|
471
Best Buy
BBY
$17.5B
| $34.7M | 0.05% |
517,000
+471,500
| +1,036% | +$32M |
|
472
JPMorgan Income ETF
JPIE
$10.3B
| $34.7M | 0.05% |
748,430
+241,581
| +48% | +$11.1M |
|
473
Duke Energy
DUK
$96.3B
| $34.6M | 0.05% |
293,500
-62,550
| -18% | -$7.38M |
|
|
PPL
474
PPL Corp
PPL
$26.6B
| $34.6M | 0.05% |
1,020,772
-231,602
| -18% | -$8.06M |
|
475
Verizon
VZ
$195B
| $34.6M | 0.05% |
+799,363
| New | +$34.6M |
|
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Jim Simons's Q2 2025 Portfolio in Review
As of Q2 2025, Jim Simons 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.
Jim Simons'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.
- Jim Simons's largest Q2 2025 buy was UnitedHealth: 1,352,129 shares worth $422M.
- Jim Simons added most to NVIDIA in Q2 2025, an estimated $798M increase.
- Jim Simons's biggest Q2 2025 reduction was Broadcom, cutting an estimated $527M.
- Jim Simons fully exited Advanced Micro Devices in Q2 2025, selling an estimated $328M.
- Jim Simons's ten largest holdings make up 12% of its $75.2B portfolio in Q2 2025.
- Jim Simons opened 612 new positions and closed 496 in Q2 2025.
- Jim Simons'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.