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 | |
|---|---|---|---|---|---|---|
1326
Conduent
CNDT
$241M
| $6.58M | 0.01% |
2,348,900
+86,200
| +4% | +$233K |
|
1327
Gibraltar Industries
ROCK
$1.44B
| $6.57M | 0.01% |
104,600
-105,365
| -50% | -$6.59M |
|
1328
Invesco Variable Rate Preferred ETF
VRP
$3.01B
| $6.56M | 0.01% |
265,782
+1,623
| +0.6% | +$39.9K |
|
1329
Oshkosh
OSK
$9.48B
| $6.56M | 0.01% |
+50,600
| New | +$6.71M |
|
1330
WisdomTree Trust WisdomTree US Quality Dividend Growth Fund
DGRW
$17.3B
| $6.56M | 0.01% |
73,700
+59,500
| +419% | +$5.16M |
|
|
ZK
1331
DELISTED
Zeekr
ZK
| $6.54M | 0.01% |
214,700
+122,900
| +134% | +$3.56M |
|
1332
Vaalco Energy
EGY
$605M
| $6.52M | 0.01% |
1,622,144
+74,547
| +5% | +$288K |
|
1333
Casella Waste Systems
CWST
$5.81B
| $6.51M | 0.01% |
68,642
+49,642
| +261% | +$5M |
|
1334
Marcus Corp
MCS
$915M
| $6.51M | 0.01% |
419,489
+151,700
| +57% | +$2.43M |
|
|
UMH
1335
UMH Properties
UMH
$1.41B
| $6.49M | 0.01% |
437,000
+256,600
| +142% | +$4.11M |
|
1336
First Financial Corp
THFF
$977M
| $6.49M | 0.01% |
114,973
-3,800
| -3% | -$215K |
|
1337
InvenTrust Properties
IVT
$2.62B
| $6.45M | 0.01% |
225,500
-139,400
| -38% | -$3.95M |
|
1338
Old Republic International
ORI
$10.3B
| $6.43M | 0.01% |
151,385
+109,700
| +263% | +$4.23M |
|
|
NPKI
1339
NPK International
NPKI
$1.2B
| $6.43M | 0.01% |
568,341
-144,900
| -20% | -$1.41M |
|
1340
Innodata
INOD
$2.1B
| $6.42M | 0.01% |
83,354
-121,336
| -59% | -$6.13M |
|
1341
Tejon Ranch
TRC
$443M
| $6.42M | 0.01% |
401,648
+72,300
| +22% | +$1.26M |
|
1342
Goodyear
GT
$1.76B
| $6.42M | 0.01% |
857,654
-1,399,100
| -62% | -$13.2M |
|
1343
Flexsteel Industries
FLXS
$302M
| $6.41M | 0.01% |
138,400
-25,673
| -16% | -$1.06M |
|
1344
NNN REIT
NNN
$8.88B
| $6.41M | 0.01% |
+150,600
| New | +$6.39M |
|
|
GTY
1345
Getty Realty Corp
GTY
$2.07B
| $6.41M | 0.01% |
238,924
-61,300
| -20% | -$1.71M |
|
1346
Westwood Holdings Group
WHG
$187M
| $6.41M | 0.01% |
388,658
-13,000
| -3% | -$224K |
|
1347
Euroseas
ESEA
$512M
| $6.4M | 0.01% |
107,378
+9,400
| +10% | +$529K |
|
1348
Riskified
RSKD
$874M
| $6.39M | 0.01% |
1,364,400
+47,300
| +4% | +$233K |
|
|
DAWN
1349
DELISTED
Day One Biopharmaceuticals
DAWN
| $6.38M | 0.01% |
905,476
-95,064
| -10% | -$654K |
|
1350
Hallador Energy
HNRG
$764M
| $6.38M | 0.01% |
326,155
-259,387
| -44% | -$4.46M |
|
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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.