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 | |
|---|---|---|---|---|---|---|
1051
Medifast
MED
$130M
| $10.9M | 0.01% |
800,910
-12,400
| -2% | -$173K |
|
|
HPP
1052
Hudson Pacific Properties
HPP
$777M
| $10.9M | 0.01% |
566,601
+149,715
| +36% | +$2.82M |
|
1053
Jones Lang LaSalle
JLL
$17B
| $10.9M | 0.01% |
36,689
+11,600
| +46% | +$3.31M |
|
1054
Ironwood Pharmaceuticals
IRWD
$674M
| $10.9M | 0.01% |
8,352,173
-53,996
| -0.6% | -$55.9K |
|
1055
Fortrea Holdings
FTRE
$1.69B
| $10.9M | 0.01% |
1,295,000
+702,400
| +119% | +$5.38M |
|
1056
PIMCO Intermediate Municipal Bond Active Exchange-Traded Fund
MUNI
$3.12B
| $10.9M | 0.01% |
208,200
+84,200
| +68% | +$4.34M |
|
1057
Equity Residential
EQR
$24.2B
| $10.8M | 0.01% |
167,200
+43,086
| +35% | +$2.82M |
|
|
BAND
1058
Bandwidth Inc
BAND
$1.67B
| $10.8M | 0.01% |
648,900
-68,700
| -10% | -$1.06M |
|
1059
1st Source
SRCE
$2.13B
| $10.8M | 0.01% |
175,644
+11,730
| +7% | +$736K |
|
1060
Akebia Therapeutics
AKBA
$241M
| $10.8M | 0.01% |
3,952,727
-241,700
| -6% | -$804K |
|
1061
Helmerich & Payne
HP
$4.29B
| $10.8M | 0.01% |
488,100
+249,100
| +104% | +$4.59M |
|
1062
MediaAlpha
MAX
$813M
| $10.8M | 0.01% |
945,100
+172,800
| +22% | +$1.91M |
|
1063
iShares 0-5 Year Investment Grade Corporate Bond ETF
SLQD
$2.38B
| $10.7M | 0.01% |
211,300
-54,200
| -20% | -$2.74M |
|
1064
NETGEAR
NTGR
$658M
| $10.7M | 0.01% |
331,118
-78,837
| -19% | -$2.15M |
|
1065
Allot
ALLT
$377M
| $10.7M | 0.01% |
1,013,199
+42,900
| +4% | +$364K |
|
1066
Century Aluminum
CENX
$4.59B
| $10.7M | 0.01% |
365,099
+209,500
| +135% | +$4.75M |
|
1067
Douglas Elliman
DOUG
$183M
| $10.7M | 0.01% |
3,725,604
-297,554
| -7% | -$781K |
|
1068
Embotelladora Andina Series B
AKO.B
$4.89B
| $10.6M | 0.01% |
447,381
-7,800
| -2% | -$186K |
|
1069
Ultrapar
UGP
$6.55B
| $10.6M | 0.01% |
2,575,600
+160,900
| +7% | +$547K |
|
|
PAMT
1070
PAMT Corp
PAMT
$279M
| $10.6M | 0.01% |
926,002
-12,200
| -1% | -$155K |
|
1071
Schwab US TIPS ETF
SCHP
$16.2B
| $10.5M | 0.01% |
391,000
+333,600
| +581% | +$8.93M |
|
1072
KNOT Offshore Partners
KNOP
$362M
| $10.5M | 0.01% |
1,194,666
-51,892
| -4% | -$397K |
|
|
PGRE
1073
DELISTED
Paramount Group
PGRE
| $10.5M | 0.01% |
1,608,600
+492,800
| +44% | +$3.28M |
|
1074
Outfront Media
OUT
$5.29B
| $10.5M | 0.01% |
574,132
+8,211
| +1% | +$149K |
|
1075
Core Molding Technologies
CMT
$224M
| $10.5M | 0.01% |
511,247
+12,200
| +2% | +$227K |
|
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.