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 | |
|---|---|---|---|---|---|---|
2651
Oil States International
OIS
$544M
| $737K | ﹤0.01% |
137,500
-284,586
| -67% | -$1.26M |
|
|
MOFG
2652
DELISTED
MidWestOne Financial Group
MOFG
| $737K | ﹤0.01% |
25,600
+16,600
| +184% | +$469K |
|
2653
Greenfire Resources
GFR
$869M
| $736K | ﹤0.01% |
165,000
-7,900
| -5% | -$37K |
|
2654
Business First Bancshares
BFST
$1.04B
| $732K | ﹤0.01% |
29,700
-12,900
| -30% | -$303K |
|
|
SNCR
2655
DELISTED
Synchronoss Technologies
SNCR
| $732K | ﹤0.01% |
106,874
+3,900
| +4% | +$32.4K |
|
2656
Outdoor Holding Co
POWW
$263M
| $730K | ﹤0.01% |
570,300
-59,200
| -9% | -$93.9K |
|
|
TVRD
2657
Tvardi Therapeutics
TVRD
$23.9M
| $729K | ﹤0.01% |
31,234
+1,724
| +6% | +$40.8K |
|
|
RPTX
2658
DELISTED
Repare Therapeutics
RPTX
| $727K | ﹤0.01% |
522,859
+224,198
| +75% | +$292K |
|
2659
Cineverse
CNVS
$66.8M
| $726K | ﹤0.01% |
151,847
+67,700
| +80% | +$224K |
|
2660
Biote Corp
BTMD
$42.4M
| $725K | ﹤0.01% |
180,394
+21,800
| +14% | +$80.4K |
|
|
NOTV
2661
DELISTED
Inotiv
NOTV
| $724K | ﹤0.01% |
397,954
+213,890
| +116% | +$464K |
|
2662
Liberty Broadband Class A
LBRDA
$5.24B
| $724K | ﹤0.01% |
7,400
-65,200
| -90% | -$5.78M |
|
2663
iShares Russell 1000 Growth ETF
IWF
$128B
| $722K | ﹤0.01% |
+6,800
| New | +$650K |
|
|
DOG
2664
ProShares Short Dow30
DOG
$87.3M
| $721K | ﹤0.01% |
28,300
-25,300
| -47% | -$688K |
|
2665
JPMorgan BetaBuilders US Equity ETF
BBUS
$9.26B
| $716K | ﹤0.01% |
6,400
+2,100
| +49% | +$217K |
|
2666
JPMorgan International Research Enhanced Equity ETF
JIRE
$11.4B
| $715K | ﹤0.01% |
+10,100
| New | +$674K |
|
|
BRDG
2667
DELISTED
Bridge Investment Group
BRDG
| $715K | ﹤0.01% |
71,400
-38,900
| -35% | -$363K |
|
2668
Universal Electronics
UEIC
$68.3M
| $714K | ﹤0.01% |
107,823
-34,300
| -24% | -$210K |
|
2669
Burford Capital
BUR
$971M
| $710K | ﹤0.01% |
49,800
+26,800
| +117% | +$350K |
|
2670
Adicet Bio
ACET
$76.9M
| $704K | ﹤0.01% |
72,114
+21,445
| +42% | +$226K |
|
2671
Delek US
DK
$4.03B
| $703K | ﹤0.01% |
33,200
-87,169
| -72% | -$1.46M |
|
2672
Choiceone Financial
COFS
$513M
| $703K | ﹤0.01% |
24,500
-20,700
| -46% | -$588K |
|
2673
Stock Yards Bancorp
SYBT
$2.64B
| $703K | ﹤0.01% |
8,900
+5,100
| +134% | +$373K |
|
2674
Idaho Strategic Resources
IDR
$502M
| $700K | ﹤0.01% |
+53,500
| New | +$787K |
|
2675
2x Bitcoin ETF
BITX
$847M
| $697K | ﹤0.01% |
+12,900
| New | +$620K |
|
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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.