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 | |
|---|---|---|---|---|---|---|
1576
Franklin Resources
BEN
$17.2B
| $4.61M | 0.01% |
193,200
-479,897
| -71% | -$9.89M |
|
1577
iShares MSCI ACWI ex US ETF
ACWX
$12B
| $4.58M | 0.01% |
75,100
+56,100
| +295% | +$3.24M |
|
1578
Americold
COLD
$4.32B
| $4.57M | 0.01% |
274,800
-51,800
| -16% | -$939K |
|
|
EB
1579
DELISTED
Eventbrite
EB
| $4.56M | 0.01% |
1,731,996
+187,200
| +12% | +$431K |
|
1580
Quad
QUAD
$506M
| $4.54M | 0.01% |
804,400
+18,700
| +2% | +$101K |
|
|
NEXN
1581
Nexxen International
NEXN
$598M
| $4.54M | 0.01% |
436,400
-182,400
| -29% | -$1.85M |
|
1582
iMGP DBi Managed Futures Strategy ETF
DBMF
$4.2B
| $4.54M | 0.01% |
176,400
+137,800
| +357% | +$3.49M |
|
1583
JPMorgan BetaBuilders Japan ETF
BBJP
$19.2B
| $4.53M | 0.01% |
+73,400
| New | +$4.28M |
|
1584
Empire State Realty Trust
ESRT
$836M
| $4.53M | 0.01% |
560,000
+16,100
| +3% | +$123K |
|
1585
Community Health Systems
CYH
$419M
| $4.52M | 0.01% |
1,329,393
+654,200
| +97% | +$2.1M |
|
|
TBRG
1586
DELISTED
TruBridge
TBRG
| $4.52M | 0.01% |
+192,876
| New | +$4.73M |
|
1587
Marcus Corp
MCS
$929M
| $4.51M | 0.01% |
267,789
-121,800
| -31% | -$2.06M |
|
1588
Invesco S&P 500 Momentum ETF
SPMO
$22.3B
| $4.51M | 0.01% |
+40,100
| New | +$4M |
|
|
KBDC
1589
Kayne Anderson BDC
KBDC
$909M
| $4.49M | 0.01% |
294,500
-93,200
| -24% | -$1.47M |
|
1590
Ingles Markets
IMKTA
$1.68B
| $4.49M | 0.01% |
70,884
-23,900
| -25% | -$1.49M |
|
1591
Worthington Steel
WS
$1.94B
| $4.48M | 0.01% |
150,300
-1,700
| -1% | -$43.8K |
|
1592
Electromed
ELMD
$352M
| $4.45M | 0.01% |
202,204
+50,900
| +34% | +$1.11M |
|
1593
Atea Pharmaceuticals
AVIR
$406M
| $4.44M | 0.01% |
1,234,100
-44,300
| -3% | -$132K |
|
1594
Rigel Pharmaceuticals
RIGL
$762M
| $4.43M | 0.01% |
236,446
+35,300
| +18% | +$669K |
|
1595
iShares MSCI Emerging Markets ETF
EEM
$30.5B
| $4.43M | 0.01% |
+91,800
| New | +$4.13M |
|
1596
Viant Technology
DSP
$274M
| $4.43M | 0.01% |
334,700
-87,900
| -21% | -$1.2M |
|
|
HONE
1597
DELISTED
HarborOne Bancorp
HONE
| $4.42M | 0.01% |
378,300
-57,541
| -13% | -$629K |
|
1598
TechTarget
TTGT
$277M
| $4.41M | 0.01% |
568,100
+45,500
| +9% | +$362K |
|
1599
State Street SPDR Dow Jones Industrial Average ETF Trust
DIA
$48.3B
| $4.41M | 0.01% |
+10,000
| New | +$4.15M |
|
1600
First Bancorp
FBP
$4.49B
| $4.4M | 0.01% |
211,413
+180,600
| +586% | +$3.55M |
|
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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.