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 | |
|---|---|---|---|---|---|---|
2476
SEACOR Marine Holdings
SMHI
$265M
| $1.08M | ﹤0.01% |
212,400
+42,100
| +25% | +$213K |
|
|
MTA
2477
Metalla Royalty & Streaming
MTA
$919M
| $1.08M | ﹤0.01% |
281,800
+76,300
| +37% | +$243K |
|
2478
iShares International Treasury Bond ETF
IGOV
$1.53B
| $1.08M | ﹤0.01% |
+25,100
| New | +$1.04M |
|
|
HSAI
2479
Hesai Group
HSAI
$2.84B
| $1.08M | ﹤0.01% |
49,200
-202,500
| -80% | -$3.56M |
|
2480
Cerus
CERS
$592M
| $1.08M | ﹤0.01% |
765,500
-603,900
| -44% | -$805K |
|
2481
DoubleVerify
DV
$2.04B
| $1.08M | ﹤0.01% |
+72,100
| New | +$988K |
|
2482
Bilibili
BILI
$7.24B
| $1.08M | ﹤0.01% |
+50,200
| New | +$924K |
|
2483
1stdibs.com
DIBS
$161M
| $1.07M | ﹤0.01% |
390,130
+127,730
| +49% | +$331K |
|
2484
State Street SPDR Portfolio S&P 1500 Composite Stock Market ETF
SPTM
$14.1B
| $1.07M | ﹤0.01% |
14,300
+6,700
| +88% | +$465K |
|
2485
First Bank
FRBA
$470M
| $1.07M | ﹤0.01% |
68,856
+4,200
| +6% | +$60.8K |
|
2486
Digimarc Corp
DMRC
$158M
| $1.06M | ﹤0.01% |
80,600
+68,800
| +583% | +$883K |
|
2487
First Trust Nasdaq-100 Select Equal Weight ETF
QQEW
$1.87B
| $1.06M | ﹤0.01% |
7,800
-5,500
| -41% | -$693K |
|
2488
Vanguard Morningstar Mega Cap Value ETF
MGV
$13.7B
| $1.06M | ﹤0.01% |
8,100
-14,700
| -64% | -$1.84M |
|
2489
Sanara MedTech
SMTI
$314M
| $1.06M | ﹤0.01% |
37,400
+3,100
| +9% | +$93K |
|
2490
Corbus Pharmaceuticals
CRBP
$197M
| $1.06M | ﹤0.01% |
153,539
-191,661
| -56% | -$1.39M |
|
2491
Cactus
WHD
$5.92B
| $1.05M | ﹤0.01% |
24,100
-104,800
| -81% | -$4.37M |
|
2492
Neumora Therapeutics
NMRA
$300M
| $1.05M | ﹤0.01% |
1,434,527
+174,997
| +14% | +$133K |
|
2493
Skillsoft
SKIL
$76.4M
| $1.05M | ﹤0.01% |
65,780
+1,916
| +3% | +$36.2K |
|
2494
OptimizeRx
OPRX
$161M
| $1.05M | ﹤0.01% |
+77,707
| New | +$850K |
|
2495
Transact Technologies
TACT
$53M
| $1.05M | ﹤0.01% |
285,737
| – | – |
|
2496
Vanguard Financials ETF
VFH
$14B
| $1.04M | ﹤0.01% |
+8,200
| New | +$978K |
|
2497
RGC Resources
RGCO
$225M
| $1.04M | ﹤0.01% |
46,633
+900
| +2% | +$19.1K |
|
2498
Schwab 5-10 Year Corporate Bond ETF
SCHI
$11.5B
| $1.04M | ﹤0.01% |
+45,800
| New | +$1.02M |
|
2499
Playboy Inc
PLBY
$151M
| $1.04M | ﹤0.01% |
643,127
+142,360
| +28% | +$183K |
|
2500
Hurco Companies Inc
HURC
$144M
| $1.04M | ﹤0.01% |
55,100
+1,600
| +3% | +$24.1K |
|
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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.