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 | |
|---|---|---|---|---|---|---|
1751
Mission Produce
AVO
$1.15B
| $3.48M | ﹤0.01% |
297,000
+241,300
| +433% | +$2.61M |
|
1752
iShares MSCI Europe Financials ETF
EUFN
$4.3B
| $3.48M | ﹤0.01% |
110,000
+38,090
| +53% | +$1.15M |
|
1753
Marten Transport
MRTN
$1.24B
| $3.47M | ﹤0.01% |
+267,350
| New | +$3.52M |
|
1754
Certara
CERT
$1.24B
| $3.47M | ﹤0.01% |
+296,800
| New | +$3.51M |
|
1755
inTEST
INTT
$174M
| $3.47M | ﹤0.01% |
476,489
-27,352
| -5% | -$174K |
|
1756
Amneal Pharmaceuticals
AMRX
$6.02B
| $3.46M | ﹤0.01% |
428,000
-196,700
| -31% | -$1.48M |
|
|
VRE
1757
DELISTED
Veris Residential
VRE
| $3.46M | ﹤0.01% |
232,400
+114,600
| +97% | +$1.76M |
|
|
TERN
1758
DELISTED
Terns Pharmaceuticals
TERN
| $3.44M | ﹤0.01% |
922,534
-511,300
| -36% | -$1.6M |
|
1759
State Street SPDR Portfolio S&P 500 Value ETF
SPYV
$36.8B
| $3.43M | ﹤0.01% |
+65,600
| New | +$3.28M |
|
1760
Liberty Latin America Class C
LILAK
$1.65B
| $3.43M | ﹤0.01% |
607,090
+142,010
| +31% | +$696K |
|
1761
Nordic American Tanker
NAT
$1.4B
| $3.43M | ﹤0.01% |
1,305,000
+240,300
| +23% | +$627K |
|
1762
Byline Bancorp
BY
$1.78B
| $3.43M | ﹤0.01% |
128,300
-100
| -0.1% | -$2.57K |
|
1763
Seanergy Maritime Holdings
SHIP
$360M
| $3.42M | ﹤0.01% |
542,299
-159,901
| -23% | -$963K |
|
|
UDMY
1764
DELISTED
Udemy
UDMY
| $3.41M | ﹤0.01% |
485,101
+312,101
| +180% | +$2.15M |
|
1765
The Joint Corp
JYNT
$119M
| $3.4M | ﹤0.01% |
294,878
-8,400
| -3% | -$89.9K |
|
|
KW
1766
DELISTED
Kennedy-Wilson Holdings
KW
| $3.4M | ﹤0.01% |
499,800
+310,400
| +164% | +$2.07M |
|
1767
Ascent Industries
ACNT
$134M
| $3.38M | ﹤0.01% |
267,800
+107,800
| +67% | +$1.37M |
|
1768
ReposiTrak
TRAK
$158M
| $3.37M | ﹤0.01% |
171,563
+6,900
| +4% | +$145K |
|
1769
BCB Bancorp
BCBP
$163M
| $3.37M | ﹤0.01% |
400,194
+58,300
| +17% | +$494K |
|
1770
iShares MSCI Germany ETF
EWG
$1.67B
| $3.37M | ﹤0.01% |
79,600
-102,900
| -56% | -$4.11M |
|
|
LIF
1771
Life360
LIF
$4.09B
| $3.37M | ﹤0.01% |
51,600
+41,500
| +411% | +$2.13M |
|
1772
Primis Financial Corp
FRST
$413M
| $3.37M | ﹤0.01% |
310,313
-5,000
| -2% | -$46K |
|
1773
Penumbra
PEN
$12.9B
| $3.36M | ﹤0.01% |
+13,100
| New | +$3.57M |
|
1774
Gossamer Bio
GOSS
$83.3M
| $3.36M | ﹤0.01% |
2,732,294
+1,163,139
| +74% | +$1.27M |
|
1775
Franklin Covey
FC
$227M
| $3.36M | ﹤0.01% |
147,103
-1,100
| -0.7% | -$24.3K |
|
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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.