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 | |
|---|---|---|---|---|---|---|
2601
Aura Biosciences
AURA
$797M
| $823K | ﹤0.01% |
131,548
+28,248
| +27% | +$165K |
|
2602
First Trust Utilities AlphaDEX Fund
FXU
$835M
| $822K | ﹤0.01% |
+19,400
| New | +$806K |
|
2603
Lumentum
LITE
$81.4B
| $808K | ﹤0.01% |
8,500
-30,800
| -78% | -$2.19M |
|
2604
ReNew
RNW
$2.48B
| $807K | ﹤0.01% |
116,800
+82,200
| +238% | +$537K |
|
2605
Crown Crafts
CRWS
$30.1M
| $805K | ﹤0.01% |
280,330
-11,533
| -4% | -$35.7K |
|
2606
Universal Corp
UVV
$1.11B
| $804K | ﹤0.01% |
13,811
-18,500
| -57% | -$1.07M |
|
|
FVR
2607
FrontView REIT
FVR
$482M
| $804K | ﹤0.01% |
+67,000
| New | +$792K |
|
2608
ACNB Corp
ACNB
$657M
| $804K | ﹤0.01% |
18,756
+1,400
| +8% | +$58.3K |
|
2609
iShares S&P 500 Value ETF
IVE
$50.3B
| $801K | ﹤0.01% |
+4,100
| New | +$764K |
|
2610
Lesaka Technologies
LSAK
$407M
| $798K | ﹤0.01% |
177,800
-7,476
| -4% | -$32.4K |
|
2611
FT Vest Fund of Buffer ETFs
BUFR
$10.4B
| $798K | ﹤0.01% |
25,100
-3,100
| -11% | -$93.3K |
|
2612
Vanguard S&P Mid-Cap 400 ETF
IVOO
$3.96B
| $798K | ﹤0.01% |
7,600
-2,600
| -25% | -$258K |
|
2613
Caesarstone
CSTE
$118M
| $797K | ﹤0.01% |
404,662
+44,560
| +12% | +$101K |
|
|
UBFO
2614
DELISTED
United Security Bancshares
UBFO
| $796K | ﹤0.01% |
92,048
+7,000
| +8% | +$59.8K |
|
2615
Pennant Group
PNTG
$1.37B
| $791K | ﹤0.01% |
26,500
-31,400
| -54% | -$862K |
|
2616
Citizens
CIA
$202M
| $789K | ﹤0.01% |
225,994
+17,100
| +8% | +$66.8K |
|
|
DOYU
2617
DouYu International Holdings
DOYU
$142M
| $787K | ﹤0.01% |
121,438
-600
| -0.5% | -$4.06K |
|
2618
iShares S&P Small-Cap 600 Growth ETF
IJT
$8.48B
| $785K | ﹤0.01% |
+5,900
| New | +$739K |
|
|
GRDN
2619
Guardian Pharmacy Services
GRDN
$2.44B
| $782K | ﹤0.01% |
36,700
-67,365
| -65% | -$1.52M |
|
2620
Priority Technology Holdings
PRTH
$453M
| $780K | ﹤0.01% |
100,300
-79,300
| -44% | -$595K |
|
2621
State Street DoubleLine Total Return Tactical ETF
TOTL
$4B
| $780K | ﹤0.01% |
19,445
+745
| +4% | +$29.6K |
|
2622
Finance of America Companies
FOA
$205M
| $779K | ﹤0.01% |
33,387
-24,608
| -42% | -$518K |
|
2623
iShares Latin America 40 ETF
ILF
$3.71B
| $778K | ﹤0.01% |
+29,700
| New | +$738K |
|
2624
Digital Turbine
APPS
$1.54B
| $778K | ﹤0.01% |
+131,800
| New | +$542K |
|
2625
Pure Cycle
PCYO
$272M
| $777K | ﹤0.01% |
72,500
+35,700
| +97% | +$370K |
|
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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.