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 |
Alphabet (Google) Class A
GOOGL
|
+$546M |
| 2 |
Microsoft
MSFT
|
+$480M |
| 3 |
Alphabet (Google) Class C
GOOG
|
+$362M |
| 4 |
Meta Platforms (Facebook)
META
|
+$350M |
| 5 |
Coca-Cola
KO
|
+$266M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Robinhood
HOOD
|
+$1.04B |
| 2 |
Palantir
PLTR
|
+$800M |
| 3 |
Apple
AAPL
|
+$516M |
| 4 |
Netflix
NFLX
|
+$326M |
| 5 |
NVIDIA
NVDA
|
+$313M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 21.71% |
| 2 | Healthcare | 15.16% |
| 3 | Consumer Discretionary | 11.81% |
| 4 | Communication Services | 10.53% |
| 5 | Financials | 9.27% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
1801
South Plains Financial
SPFI
$858M
| $2.97M | ﹤0.01% |
76,900
+21,000
| +38% | +$820K |
|
|
ITRG
1802
Integra Resources
ITRG
$564M
| $2.97M | ﹤0.01% |
1,007,080
-499,100
| -33% | -$1M |
|
1803
BCB Bancorp
BCBP
$163M
| $2.97M | ﹤0.01% |
342,094
-58,100
| -15% | -$507K |
|
|
BTC
1804
Grayscale Bitcoin Mini Trust ETF
BTC
$3.33B
| $2.96M | ﹤0.01% |
58,460
+9,100
| +18% | +$462K |
|
1805
Personalis
PSNL
$1.5B
| $2.95M | ﹤0.01% |
453,043
-110,200
| -20% | -$627K |
|
1806
Vanguard Morningstar Total Stock Market ETF
VTI
$695B
| $2.95M | ﹤0.01% |
9,000
-1,600
| -15% | -$505K |
|
1807
Healthcare Services Group
HCSG
$1.48B
| $2.95M | ﹤0.01% |
175,364
-78,400
| -31% | -$1.17M |
|
1808
Dover
DOV
$27.9B
| $2.94M | ﹤0.01% |
+17,600
| New | +$3.16M |
|
1809
Monte Rosa Therapeutics
GLUE
$1.32B
| $2.93M | ﹤0.01% |
395,733
-219,367
| -36% | -$1.16M |
|
1810
ProShares Ultra S&P500
SSO
$8.47B
| $2.93M | ﹤0.01% |
52,200
+44,000
| +537% | +$2.3M |
|
1811
H.B. Fuller
FUL
$3.38B
| $2.92M | ﹤0.01% |
49,300
+29,700
| +152% | +$1.78M |
|
1812
Protalix BioTherapeutics
PLX
$179M
| $2.92M | ﹤0.01% |
1,315,400
-299,603
| -19% | -$488K |
|
1813
VanEck Bitcoin Trust
HODL
$1.05B
| $2.92M | ﹤0.01% |
90,100
-8,800
| -9% | -$285K |
|
1814
CION Investment
CION
$370M
| $2.92M | ﹤0.01% |
307,500
+8,800
| +3% | +$88.8K |
|
1815
iShares iBonds Dec 2028 Term Corporate ETF
IBDT
$4.07B
| $2.91M | ﹤0.01% |
114,200
-57,395
| -33% | -$1.46M |
|
1816
LG Display
LPL
$3.5B
| $2.91M | ﹤0.01% |
557,100
+513,500
| +1,178% | +$2.13M |
|
1817
Consumer Portfolio Services
CPSS
$205M
| $2.91M | ﹤0.01% |
385,158
-7,500
| -2% | -$64K |
|
1818
ReposiTrak
TRAK
$155M
| $2.91M | ﹤0.01% |
196,163
+24,600
| +14% | +$427K |
|
1819
M/I Homes
MHO
$3.85B
| $2.9M | ﹤0.01% |
20,100
-85,000
| -81% | -$11.5M |
|
1820
Lantronix
LTRX
$289M
| $2.9M | ﹤0.01% |
634,494
+4,800
| +0.8% | +$17.7K |
|
1821
Vaxcyte
PCVX
$8.64B
| $2.9M | ﹤0.01% |
80,477
-188,600
| -70% | -$6.25M |
|
1822
NBT Bancorp
NBTB
$2.79B
| $2.9M | ﹤0.01% |
69,373
-31,200
| -31% | -$1.34M |
|
1823
First Community Corp
FCCO
$323M
| $2.89M | ﹤0.01% |
102,561
-26,416
| -20% | -$699K |
|
1824
Grupo Aval
AVAL
$6.29B
| $2.89M | ﹤0.01% |
876,972
-59,300
| -6% | -$185K |
|
1825
Grayscale Bitcoin Trust
GBTC
$9.44B
| $2.89M | ﹤0.01% |
32,200
-47,900
| -60% | -$4.31M |
|
Similar funds
Jim Simons's Q3 2025 Portfolio in Review
As of Q3 2025, Jim Simons held 4,038 positions worth $75.8B, up 0.77% from $75.2B the previous quarter. Its ten largest holdings account for 11% of the portfolio.
Jim Simons withdrew a net $5.41B in Q3 2025, closing 581 positions and reducing 1,457 holdings. Its most notable exit was GE Aerospace, an estimated $235M position sold in full.
By sector, the portfolio is most concentrated in Technology at 22% of assets, up from 20% a quarter earlier, followed by Healthcare and Consumer Discretionary.
Against the trend, Jim Simons opened a new position in Alphabet (Google) Class C worth $419M.
- Jim Simons's largest Q3 2025 buy was Alphabet (Google) Class C: 1,720,002 shares worth $419M.
- Jim Simons added most to Alphabet (Google) Class A in Q3 2025, an estimated $546M increase.
- Jim Simons's biggest Q3 2025 reduction was Robinhood, cutting an estimated $1.04B.
- Jim Simons fully exited GE Aerospace in Q3 2025, selling an estimated $235M.
- Jim Simons's ten largest holdings make up 11% of its $75.8B portfolio in Q3 2025.
- Jim Simons opened 516 new positions and closed 581 in Q3 2025.
- Jim Simons's portfolio value rose 0.77% quarter-over-quarter to $75.8B.
Based on Renaissance Technologies's 13F filing for Q3 2025, filed 13 Nov 2025.