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 | |
|---|---|---|---|---|---|---|
2451
Advanced Drainage Systems
WMS
$11.3B
| $1.13M | ﹤0.01% |
+9,837
| New | +$1.1M |
|
2452
Tenaya Therapeutics
TNYA
$164M
| $1.13M | ﹤0.01% |
1,843,879
+302,154
| +20% | +$154K |
|
2453
iShares 20+ Year Treasury Bond BuyWrite Strategy ETF
TLTW
$1.82B
| $1.12M | ﹤0.01% |
48,500
+31,400
| +184% | +$722K |
|
2454
VanEck Preferred Securities ex Financials ETF
PFXF
$2.48B
| $1.12M | ﹤0.01% |
65,500
+50,000
| +323% | +$830K |
|
2455
WPP
WPP
$5.78B
| $1.12M | ﹤0.01% |
32,000
+4,900
| +18% | +$184K |
|
|
NNDM
2456
Nano Dimension
NNDM
$346M
| $1.12M | ﹤0.01% |
691,200
+477,200
| +223% | +$730K |
|
2457
Karooooo
KARO
$1.93B
| $1.12M | ﹤0.01% |
22,787
-5,690
| -20% | -$269K |
|
2458
Zillow
Z
$7.86B
| $1.11M | ﹤0.01% |
+15,914
| New | +$1.07M |
|
|
MBCN
2459
DELISTED
Middlefield Banc Corp
MBCN
| $1.11M | ﹤0.01% |
37,012
-100
| -0.3% | -$2.79K |
|
2460
ImmuCell
ICCC
$92.2M
| $1.11M | ﹤0.01% |
159,989
+26,000
| +19% | +$152K |
|
2461
SLB Ltd
SLB
$79.8B
| $1.11M | ﹤0.01% |
32,910
-458,600
| -93% | -$15.9M |
|
2462
Direxion Daily AAPL Bear 1X ETF
AAPD
$62.4M
| $1.11M | ﹤0.01% |
63,400
+52,700
| +493% | +$949K |
|
2463
Phinia Inc
PHIN
$2.76B
| $1.11M | ﹤0.01% |
24,900
+15,600
| +168% | +$658K |
|
|
AFBI
2464
DELISTED
Affinity Bancshares
AFBI
| $1.11M | ﹤0.01% |
60,148
-2,326
| -4% | -$42.4K |
|
2465
Red Rock Resorts
RRR
$3.77B
| $1.1M | ﹤0.01% |
21,200
-25,400
| -55% | -$1.16M |
|
2466
Perimeter Solutions
PRM
$5.54B
| $1.1M | ﹤0.01% |
79,000
-375,200
| -83% | -$4.33M |
|
2467
Arq
ARQ
$100M
| $1.1M | ﹤0.01% |
204,548
-54,652
| -21% | -$239K |
|
|
SELF
2468
Global Self Storage
SELF
$59.6M
| $1.09M | ﹤0.01% |
204,975
+43,400
| +27% | +$232K |
|
2469
Carter Bankshares
CARE
$759M
| $1.09M | ﹤0.01% |
63,000
+29,900
| +90% | +$473K |
|
2470
CEVA Inc
CEVA
$908M
| $1.09M | ﹤0.01% |
49,700
+34,200
| +221% | +$760K |
|
2471
Merchants Bancorp
MBIN
$2.53B
| $1.09M | ﹤0.01% |
33,000
+3,100
| +10% | +$100K |
|
|
KC
2472
Kingsoft Cloud Holdings
KC
$3.5B
| $1.09M | ﹤0.01% |
87,134
-740,300
| -89% | -$9.58M |
|
2473
iShares Russell 2000 Value ETF
IWN
$14.7B
| $1.09M | ﹤0.01% |
+6,900
| New | +$1.03M |
|
2474
Tilly's
TLYS
$122M
| $1.09M | ﹤0.01% |
787,812
-50,200
| -6% | -$69K |
|
2475
iShares iBoxx $ Investment Grade Corporate Bond ETF
LQD
$32.6B
| $1.09M | ﹤0.01% |
+9,900
| New | +$1.06M |
|
Similar funds
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.