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Jim Simons

Jim Simons Renaissance Technologies

AUM $63.9B
1-Year Est. Return 45.56%
 

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.

This Fund
S&P 500
This Quarter Est. Return
+1.01%
1 Year Est. Return
+45.56%
3 Year Est. Return
+129.95%
5 Year Est. Return
+153.6%
10 Year Est. Return
+738.31%
AUM
$66.1B
AUM Growth
-$1.48B
Cap. Flow
+$425M
Cap. Flow %
0.64%
Top 10 Hldgs %
10.65%
Holding
3,989
New
456
Increased
1,472
Reduced
1,441
Closed
583

Top Buys

Rank Stock Value
1
AVGO icon
Broadcom
AVGO
+$513M
2
GOOGL icon
Alphabet (Google) Class A
GOOGL
+$412M
3
META icon
Meta Platforms (Facebook)
META
+$354M
4
NOW icon
ServiceNow
NOW
+$262M
5
AAL icon
American Airlines Group
AAL
+$259M

Top Sells

Rank Stock Value
1
PLTR icon
Palantir
PLTR
+$571M
2
AAPL icon
Apple
AAPL
+$571M
3
NFLX icon
Netflix
NFLX
+$388M
4
NVDA icon
NVIDIA
NVDA
+$313M
5
TSM icon
TSMC
TSM
+$211M

Sector Composition

Rank Sector Weight
1 Technology 17.32%
2 Healthcare 15.28%
3 Consumer Discretionary 11.85%
4 Financials 11.11%
5 Industrials 8.48%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
YELP icon
476
Yelp
YELP
$1.28B
$31.6M 0.05%
853,100
+900
+0.1% +$33.9K
WFRD icon
477
Weatherford International
WFRD
$6.65B
$31.6M 0.05%
589,243
-224,700
-28% -$14.2M
SPIB icon
478
State Street SPDR Portfolio Intermediate Term Corporate Bond ETF
SPIB
$11.5B
$31.5M 0.05%
948,000
+515,700
+119% +$17M
CHE icon
479
Chemed
CHE
$7.07B
$31.4M 0.05%
51,100
+4,000
+8% +$2.27M
HTHT icon
480
Huazhu Hotels Group
HTHT
$12.7B
$31.3M 0.05%
846,375
-137,210
-14% -$4.75M
ICLR icon
481
Icon
ICLR
$12.9B
$31.3M 0.05%
178,924
+53,125
+42% +$10.3M
AI icon
482
C3.ai
AI
$1.57B
$31.1M 0.05%
1,478,436
+760,205
+106% +$21.6M
USFD icon
483
US Foods
USFD
$24B
$31.1M 0.05%
475,400
-136,600
-22% -$9.34M
ENPH icon
484
Enphase Energy
ENPH
$5.39B
$31M 0.05%
+500,144
New +$31.6M
HCKT icon
485
Hackett Group
HCKT
$278M
$31M 0.05%
1,060,546
+41,200
+4% +$1.24M
PYPL icon
486
PayPal
PYPL
$50.6B
$30.9M 0.05%
+473,930
New +$36.9M
PNW icon
487
Pinnacle West Capital
PNW
$12.2B
$30.8M 0.05%
323,400
-291,500
-47% -$26M
SKT icon
488
Tanger
SKT
$4.42B
$30.5M 0.05%
904,072
+85,400
+10% +$2.87M
LTH icon
489
Life Time Group Holdings
LTH
$9.79B
$30.4M 0.05%
1,006,900
+398,000
+65% +$11.7M
INSP icon
490
Inspire Medical Systems
INSP
$1.68B
$30.4M 0.05%
190,700
+54,000
+40% +$9.77M
UAA icon
491
Under Armour
UAA
$2.26B
$30M 0.05%
4,807,094
-30,706
-0.6% -$229K
TCOM icon
492
Trip.com Group
TCOM
$28.7B
$30M 0.05%
472,400
-375,912
-44% -$24.6M
PAYO icon
493
Payoneer
PAYO
$2.41B
$30M 0.05%
4,104,900
-1,021,400
-20% -$9.53M
BCPC
494
Balchem Corp
BCPC
$5.73B
$30M 0.05%
180,700
+9,800
+6% +$1.61M
ALB icon
495
Albemarle
ALB
$15.1B
$30M 0.05%
416,008
+355,208
+584% +$28.9M
BBSI icon
496
Barrett Business Services
BBSI
$756M
$29.9M 0.05%
726,600
-30,100
-4% -$1.25M
ARES icon
497
Ares Management
ARES
$32.1B
$29.9M 0.05%
203,700
+156,100
+328% +$27M
RGR icon
498
Sturm, Ruger & Co
RGR
$600M
$29.8M 0.05%
759,176
-16,400
-2% -$616K
ESGR
499
DELISTED
Enstar Group
ESGR
$29.8M 0.05%
89,572
+85,372
+2,033% +$28.1M
EBF icon
500
Ennis
EBF
$556M
$29.7M 0.05%
1,479,146
-500
-0% -$10.4K
18 19
20
21 22

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Jim Simons's Q1 2025 Portfolio in Review

As of Q1 2025, Jim Simons held 3,989 positions worth $66.1B, down 2.2% from $67.6B the previous quarter. Its ten largest holdings account for 11% of the portfolio.

Jim Simons's Q1 2025 filing shows 456 new, 1,472 increased, 1,441 reduced and 583 closed positions. Its largest new stake was ServiceNow: 1,361,505 shares worth $217M. The largest sale was Palantir, an estimated $571M.

By sector, the portfolio is most concentrated in Technology at 17% of assets, down from 21% a quarter earlier, followed by Healthcare and Consumer Discretionary.

  • Jim Simons's largest Q1 2025 buy was ServiceNow: 1,361,505 shares worth $217M.
  • Jim Simons added most to Broadcom in Q1 2025, an estimated $513M increase.
  • Jim Simons's biggest Q1 2025 reduction was Palantir, cutting an estimated $571M.
  • Jim Simons fully exited Nike in Q1 2025, selling an estimated $197M.
  • Jim Simons's ten largest holdings make up 11% of its $66.1B portfolio in Q1 2025.
  • Jim Simons opened 456 new positions and closed 583 in Q1 2025.
  • Jim Simons's portfolio value fell 2.2% quarter-over-quarter to $66.1B.

Based on Renaissance Technologies's 13F filing for Q1 2025, filed 14 May 2025.