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 | |
|---|---|---|---|---|---|---|
|
ADVM
2401
DELISTED
Adverum Biotechnologies
ADVM
| $1.23M | ﹤0.01% |
570,669
+411,100
| +258% | +$1.15M |
|
2402
Voyager Therapeutics
VYGR
$198M
| $1.22M | ﹤0.01% |
392,100
+271,900
| +226% | +$877K |
|
|
BRSP
2403
BrightSpire Capital
BRSP
$634M
| $1.22M | ﹤0.01% |
241,400
+11,500
| +5% | +$58.1K |
|
2404
Wabash National
WNC
$525M
| $1.22M | ﹤0.01% |
114,500
+98,100
| +598% | +$943K |
|
2405
FMC
FMC
$1.28B
| $1.21M | ﹤0.01% |
29,100
-31,600
| -52% | -$1.26M |
|
|
CMDB
2406
Costamare Bulkers Holdings
CMDB
$437M
| $1.21M | ﹤0.01% |
+139,546
| New | +$1.39M |
|
|
SNCY
2407
DELISTED
Sun Country Airlines
SNCY
| $1.2M | ﹤0.01% |
102,400
-135,900
| -57% | -$1.49M |
|
2408
CG Oncology
CGON
$6.55B
| $1.2M | ﹤0.01% |
+46,100
| New | +$1.11M |
|
2409
KVH Industries
KVHI
$144M
| $1.19M | ﹤0.01% |
224,015
-4,700
| -2% | -$24.2K |
|
2410
First US Bancshares
FUSB
$90.8M
| $1.19M | ﹤0.01% |
92,321
-2,900
| -3% | -$37.2K |
|
2411
Sprinklr
CXM
$1.62B
| $1.19M | ﹤0.01% |
+140,700
| New | +$1.13M |
|
2412
WisdomTree Trust WisdomTree US Quality Dividend Growth Fund
DGRW
$17.3B
| $1.19M | ﹤0.01% |
+14,200
| New | +$1.13M |
|
2413
Sensus Healthcare
SRTS
$48.1M
| $1.19M | ﹤0.01% |
250,134
-9,500
| -4% | -$44.5K |
|
|
AVNS
2414
DELISTED
Avanos Medical
AVNS
| $1.18M | ﹤0.01% |
96,800
+79,900
| +473% | +$1M |
|
2415
Hennessy Advisors
HNNA
$78.7M
| $1.18M | ﹤0.01% |
93,788
+500
| +0.5% | +$5.34K |
|
2416
AstroNova
ALOT
$226M
| $1.18M | ﹤0.01% |
101,842
+700
| +0.7% | +$6.22K |
|
2417
Flanigan's Enterprises
BDL
$87M
| $1.18M | ﹤0.01% |
33,993
-700
| -2% | -$19K |
|
2418
Bread Financial
BFH
$4.56B
| $1.18M | ﹤0.01% |
+20,642
| New | +$1.04M |
|
2419
H.B. Fuller
FUL
$3.33B
| $1.18M | ﹤0.01% |
19,600
-93,500
| -83% | -$5.16M |
|
2420
eHealth
EHTH
$40M
| $1.18M | ﹤0.01% |
270,400
-107,000
| -28% | -$537K |
|
2421
Schwab 1000 Index ETF
SCHK
$5.96B
| $1.17M | ﹤0.01% |
39,400
+2,500
| +7% | +$68.9K |
|
2422
T. Rowe Price Capital Appreciation Equity ETF
TCAF
$8.31B
| $1.17M | ﹤0.01% |
+33,200
| New | +$1.09M |
|
2423
Myomo
MYO
$61M
| $1.17M | ﹤0.01% |
541,405
+448,105
| +480% | +$1.62M |
|
2424
Rocky Brands
RCKY
$356M
| $1.16M | ﹤0.01% |
52,499
+15,564
| +42% | +$297K |
|
2425
CPI Card Group
PMTS
$327M
| $1.16M | ﹤0.01% |
49,000
+5,500
| +13% | +$130K |
|
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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.