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 | |
|---|---|---|---|---|---|---|
1551
Vanguard Russell 1000 Value ETF
VONV
$22B
| $4.63M | 0.01% |
51,800
+22,100
| +74% | +$1.93M |
|
1552
Seanergy Maritime Holdings
SHIP
$363M
| $4.62M | 0.01% |
559,700
+17,401
| +3% | +$132K |
|
1553
Red Rock Resorts
RRR
$3.79B
| $4.62M | 0.01% |
75,700
+54,500
| +257% | +$3.21M |
|
1554
Chegg
CHGG
$88.3M
| $4.61M | 0.01% |
3,056,090
+618,790
| +25% | +$870K |
|
1555
Kelly Services Class A
KELYA
$556M
| $4.6M | 0.01% |
350,908
+233,000
| +198% | +$3.11M |
|
1556
BOK Financial
BOKF
$8.88B
| $4.6M | 0.01% |
41,277
-37,700
| -48% | -$4.03M |
|
1557
Clear Channel Outdoor Holdings
CCO
$1.19B
| $4.59M | 0.01% |
2,907,204
+1,938,760
| +200% | +$2.42M |
|
|
BTM
1558
DELISTED
Bitcoin Depot
BTM
| $4.59M | 0.01% |
195,104
+62,147
| +47% | +$1.95M |
|
1559
Emergent Biosolutions
EBS
$235M
| $4.57M | 0.01% |
518,247
-171,400
| -25% | -$1.33M |
|
1560
MannKind Corp
MNKD
$1.23B
| $4.57M | 0.01% |
850,797
-562,145
| -40% | -$2.47M |
|
1561
STAG Industrial
STAG
$7.09B
| $4.56M | 0.01% |
129,300
+91,500
| +242% | +$3.26M |
|
1562
Wyndham Hotels & Resorts
WH
$5.46B
| $4.56M | 0.01% |
57,100
-135,400
| -70% | -$11.7M |
|
1563
Franklin International Low Volatility High Dividend Index ETF
LVHI
$5.58B
| $4.56M | 0.01% |
131,221
+48,521
| +59% | +$1.65M |
|
1564
Bruker
BRKR
$8.76B
| $4.54M | 0.01% |
139,610
-36,200
| -21% | -$1.29M |
|
1565
XPO
XPO
$24.7B
| $4.53M | 0.01% |
35,020
-20,992
| -37% | -$2.72M |
|
|
ONL
1566
Orion Office REIT
ONL
$165M
| $4.51M | 0.01% |
1,671,600
-28,000
| -2% | -$74.9K |
|
1567
FS Bancorp
FSBW
$321M
| $4.51M | 0.01% |
112,985
-4,300
| -4% | -$177K |
|
1568
iQIYI
IQ
$1.3B
| $4.5M | 0.01% |
1,759,600
-3,598,100
| -67% | -$7.97M |
|
1569
IMAX
IMAX
$2.92B
| $4.5M | 0.01% |
137,400
+23,295
| +20% | +$660K |
|
1570
Westamerica Bancorp
WABC
$1.38B
| $4.48M | 0.01% |
89,531
-63,800
| -42% | -$3.16M |
|
1571
Kewaunee Scientific
KEQU
$105M
| $4.47M | 0.01% |
104,911
-4,100
| -4% | -$221K |
|
1572
Janus International
JBI
$693M
| $4.47M | 0.01% |
452,500
+419,800
| +1,284% | +$4.05M |
|
1573
Liberty Latin America Class A
LILA
$1.68B
| $4.43M | 0.01% |
787,226
+100,685
| +15% | +$504K |
|
1574
Editas Medicine
EDIT
$435M
| $4.43M | 0.01% |
1,277,400
+389,000
| +44% | +$1.09M |
|
|
HDV
1575
iShares Core High Dividend ETF
HDV
$15.1B
| $4.42M | 0.01% |
+180,500
| New | +$4.36M |
|
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.