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 |
Costco
COST
|
+$616M |
| 2 |
Netflix
NFLX
|
+$481M |
| 3 |
Micron Technology
MU
|
+$416M |
| 4 |
Tesla
TSLA
|
+$416M |
| 5 |
Procter & Gamble
PG
|
+$322M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
NVIDIA
NVDA
|
+$885M |
| 2 |
Alphabet (Google) Class A
GOOGL
|
+$660M |
| 3 |
Alphabet (Google) Class C
GOOG
|
+$463M |
| 4 |
Applovin
APP
|
+$430M |
| 5 |
Meta Platforms (Facebook)
META
|
+$354M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 20.84% |
| 2 | Healthcare | 15.77% |
| 3 | Consumer Discretionary | 13.88% |
| 4 | Industrials | 9.94% |
| 5 | Financials | 8.79% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
1351
Village Farms International
VFF
$308M
| $4.63M | 0.01% |
1,268,566
-507,744
| -29% | -$1.77M |
|
1352
Evercore
EVR
$11.9B
| $4.63M | 0.01% |
13,600
+5,100
| +60% | +$1.64M |
|
1353
Century Aluminum
CENX
$4.69B
| $4.62M | 0.01% |
117,999
-247,100
| -68% | -$7.72M |
|
1354
SI-BONE Inc
SIBN
$852M
| $4.62M | 0.01% |
234,400
-265,300
| -53% | -$4.61M |
|
|
AAMI
1355
Acadian Asset Management
AAMI
$3.29B
| $4.62M | 0.01% |
98,328
+32,228
| +49% | +$1.49M |
|
1356
Ibotta
IBTA
$786M
| $4.62M | 0.01% |
203,308
+55,508
| +38% | +$1.5M |
|
1357
NetApp
NTAP
$40.2B
| $4.62M | 0.01% |
43,112
-135,568
| -76% | -$15.5M |
|
1358
Mama's Creations
MAMA
$812M
| $4.6M | 0.01% |
341,300
+20,200
| +6% | +$232K |
|
1359
iShares Gold Trust Micro
IAUM
$6.94B
| $4.58M | 0.01% |
106,600
-52,700
| -33% | -$2.18M |
|
1360
Wolverine World Wide
WWW
$1.7B
| $4.58M | 0.01% |
252,200
+207,600
| +465% | +$4.19M |
|
1361
Bioventus
BVS
$1.17B
| $4.58M | 0.01% |
615,100
-196,100
| -24% | -$1.41M |
|
1362
Sprout Social
SPT
$602M
| $4.57M | 0.01% |
405,562
+277,000
| +215% | +$2.99M |
|
1363
Installed Building Products
IBP
$6.49B
| $4.57M | 0.01% |
+17,620
| New | +$4.56M |
|
1364
Westamerica Bancorp
WABC
$1.39B
| $4.57M | 0.01% |
95,531
+6,000
| +7% | +$288K |
|
|
PPIH
1365
Perma-Pipe International
PPIH
$219M
| $4.56M | 0.01% |
150,293
-52,800
| -26% | -$1.45M |
|
1366
Global Net Lease
GNL
$1.87B
| $4.54M | 0.01% |
527,633
-515,000
| -49% | -$4.13M |
|
1367
Holley
HLLY
$373M
| $4.54M | 0.01% |
1,098,283
+585,363
| +114% | +$2.11M |
|
1368
FS Bancorp
FSBW
$326M
| $4.52M | 0.01% |
109,785
-3,200
| -3% | -$128K |
|
1369
Insmed
INSM
$27B
| $4.51M | 0.01% |
25,900
-326,987
| -93% | -$59.7M |
|
1370
iShares MSCI All Country Asia ex Japan ETF
AAXJ
$3.84B
| $4.5M | 0.01% |
+48,318
| New | +$4.49M |
|
|
NXRT
1371
NexPoint Residential Trust
NXRT
$637M
| $4.47M | 0.01% |
148,514
-30,699
| -17% | -$941K |
|
1372
Gencor Industries
GENC
$261M
| $4.46M | 0.01% |
343,974
-9,700
| -3% | -$130K |
|
1373
iShares Biotechnology ETF
IBB
$9.67B
| $4.46M | 0.01% |
26,400
-1,082
| -4% | -$176K |
|
1374
Liberty Broadband Class C
LBRDK
$5.29B
| $4.45M | 0.01% |
+91,475
| New | +$4.76M |
|
1375
Amdocs
DOX
$6.2B
| $4.44M | 0.01% |
55,100
-204,800
| -79% | -$16.5M |
|
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Jim Simons's Q4 2025 Portfolio in Review
As of Q4 2025, Jim Simons held 3,923 positions worth $64.5B, down 15% from $75.8B the previous quarter. Its ten largest holdings account for 12% of the portfolio.
Jim Simons withdrew a net $10.1B in Q4 2025, closing 737 positions and reducing 1,682 holdings. Its most notable exit was Meta Platforms (Facebook), an estimated $354M position sold in full.
By sector, the portfolio is most concentrated in Technology at 21% of assets, down from 22% a quarter earlier, followed by Healthcare and Consumer Discretionary.
Against the trend, Jim Simons opened a new position in ServiceNow worth $204M.
- Jim Simons's largest Q4 2025 buy was ServiceNow: 1,331,977 shares worth $204M.
- Jim Simons added most to Costco in Q4 2025, an estimated $616M increase.
- Jim Simons's biggest Q4 2025 reduction was NVIDIA, cutting an estimated $885M.
- Jim Simons fully exited Meta Platforms (Facebook) in Q4 2025, selling an estimated $354M.
- Jim Simons's ten largest holdings make up 12% of its $64.5B portfolio in Q4 2025.
- Jim Simons opened 466 new positions and closed 737 in Q4 2025.
- Jim Simons's portfolio value fell 15% quarter-over-quarter to $64.5B.
Based on Renaissance Technologies's 13F filing for Q4 2025, filed 12 Feb 2026.