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 |
Apple
AAPL
|
+$800M |
| 2 |
NVIDIA
NVDA
|
+$304M |
| 3 |
Broadcom
AVGO
|
+$261M |
| 4 |
Linde
LIN
|
+$237M |
| 5 |
JPMorgan Chase
JPM
|
+$208M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Costco
COST
|
+$656M |
| 2 |
Netflix
NFLX
|
+$632M |
| 3 |
Tesla
TSLA
|
+$474M |
| 4 |
Procter & Gamble
PG
|
+$428M |
| 5 |
Micron Technology
MU
|
+$332M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 22.04% |
| 2 | Healthcare | 15.35% |
| 3 | Industrials | 11.13% |
| 4 | Consumer Discretionary | 10.88% |
| 5 | Financials | 10.52% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
226
ITT
ITT
$19.4B
| $69M | 0.11% |
362,075
+273,675
| +310% | +$52.1M |
|
227
Celestica
CLS
$39.1B
| $69M | 0.11% |
+244,788
| New | +$71M |
|
228
IAMGOLD
IAG
$10.4B
| $68.6M | 0.11% |
3,645,515
+134,696
| +4% | +$2.67M |
|
229
Masco
MAS
$15B
| $68.5M | 0.11% |
1,134,114
+242,114
| +27% | +$16.4M |
|
230
Autodesk
ADSK
$53.1B
| $68.4M | 0.11% |
285,688
+244,360
| +591% | +$61.4M |
|
231
Thermo Fisher Scientific
TMO
$224B
| $68.3M | 0.11% |
+138,964
| New | +$75.4M |
|
232
Qualcomm
QCOM
$171B
| $68.3M | 0.11% |
+530,324
| New | +$77.4M |
|
233
FirstService
FSV
$6.3B
| $68.1M | 0.11% |
490,440
+452
| +0.1% | +$68.8K |
|
|
CUK
234
DELISTED
Carnival PLC
CUK
| $68.1M | 0.11% |
2,642,070
-261,900
| -9% | -$7.59M |
|
235
General Motors
GM
$78.4B
| $68M | 0.11% |
913,340
-1,015,779
| -53% | -$80.8M |
|
236
Lumen
LUMN
$6.58B
| $67.6M | 0.11% |
9,720,567
-322,700
| -3% | -$2.44M |
|
237
Bank of America
BAC
$448B
| $67.5M | 0.11% |
+1,384,787
| New | +$71.5M |
|
238
Carnival Corporation Ltd
CCL
$38B
| $67.2M | 0.11% |
2,598,300
-3,677,123
| -59% | -$107M |
|
239
Tapestry
TPR
$32.4B
| $67.2M | 0.11% |
476,494
-45,000
| -9% | -$6.38M |
|
240
Unilever
UL
$134B
| $67.1M | 0.11% |
+1,177,936
| New | +$79M |
|
241
Telkom Indonesia
TLK
$14.4B
| $67M | 0.1% |
3,586,414
-110,200
| -3% | -$2.25M |
|
242
Republic Services
RSG
$65.9B
| $66.8M | 0.1% |
305,161
-126,300
| -29% | -$27.7M |
|
243
Ventas
VTR
$44.6B
| $66.3M | 0.1% |
810,571
-205,190
| -20% | -$16.8M |
|
244
Markel Group
MKL
$22.8B
| $66.3M | 0.1% |
34,621
+8,590
| +33% | +$17.4M |
|
245
Eli Lilly
LLY
$1.08T
| $66M | 0.1% |
71,788
-94,059
| -57% | -$95.4M |
|
246
Johnson Controls International
JCI
$93.7B
| $65.9M | 0.1% |
+503,414
| New | +$65M |
|
247
Allstate
ALL
$66.3B
| $65.9M | 0.1% |
317,700
+63,700
| +25% | +$13.1M |
|
248
Sphere Entertainment
SPHR
$5.83B
| $65.7M | 0.1% |
559,935
+335,900
| +150% | +$35.1M |
|
249
Ametek
AME
$58.8B
| $65.6M | 0.1% |
306,150
+151,500
| +98% | +$33.7M |
|
250
Arrowhead Research
ARWR
$12.6B
| $65M | 0.1% |
+1,036,495
| New | +$65.6M |
|
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Jim Simons's Q1 2026 Portfolio in Review
As of Q1 2026, Jim Simons held 3,809 positions worth $63.9B, down 0.82% from $64.5B the previous quarter. Its ten largest holdings account for 11% of the portfolio.
Jim Simons's Q1 2026 filing shows 624 new, 1,320 increased, 1,262 reduced and 596 closed positions. Its largest new stake was Apple: 3,075,638 shares worth $781M. The largest sale was Costco, an estimated $656M.
By sector, the portfolio is most concentrated in Technology at 22% of assets, up from 21% a quarter earlier, followed by Healthcare and Industrials.
- Jim Simons's largest Q1 2026 buy was Apple: 3,075,638 shares worth $781M.
- Jim Simons added most to NVIDIA in Q1 2026, an estimated $304M increase.
- Jim Simons's biggest Q1 2026 reduction was Costco, cutting an estimated $656M.
- Jim Simons fully exited Procter & Gamble in Q1 2026, selling an estimated $428M.
- Jim Simons's ten largest holdings make up 11% of its $63.9B portfolio in Q1 2026.
- Jim Simons opened 624 new positions and closed 596 in Q1 2026.
- Jim Simons's portfolio value fell 0.82% quarter-over-quarter to $63.9B.
Based on Renaissance Technologies's 13F filing for Q1 2026, filed 14 May 2026.