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LMR Partners

LMR Partners Portfolio holdings

AUM $26.8B Turnover 48.2%
1-Year Est. Return 68.38%
This Fund
S&P 500
This Quarter Est. Return
+6.21%
1 Year Est. Return
+68.38%
3 Year Est. Return
+229.41%
5 Year Est. Return
+267.31%
10 Year Est. Return
+749.57%
AUM
$45.4B
AUM Growth
-$7.71B
Cap. Flow
-$1.43B
Cap. Flow %
-3.15%
Top 10 Hldgs %
59.32%
Holding
1,978
New
488
Increased
294
Reduced
243
Closed
561
Avg Time Held Equity + Options
0.6 years
Top 10 Avg Time Held Equity + Options
0.4 years
Top 20 Avg Time Held Equity + Options
0.5 years
Avg Time Held Equity only
0.6 years
Top 10 Avg Time Held Equity only
0.3 years
Top 20 Avg Time Held Equity only
0.5 years

Sector Composition

Rank Sector Weight
1 Miscellaneous 86.33%
2 Technology 4.15%
3 Healthcare 1.9%
4 Financials 1.88%
5 Communication Services 1.32%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow Held Since
SMTC icon
151
Semtech
SMTC
$12.8B
$25.3M 0.06%
329,121
-57,689
-15% -$4.74M
2024 Q4
5 quarters
ALB icon
152
CALL
Albemarle
ALB
$11.2B
$24.8M 0.05%
138,000
+13,000
+10% +$2.22M
2025 Q3
2 quarters
ALNY icon
153
Alnylam Pharmaceuticals
ALNY
$31B
$24.7M 0.05%
74,661
+15,639
+26% +$5.32M
2025 Q4
1 quarter
GNRC icon
154
CALL
Generac Holdings
GNRC
$11.4B
$24.7M 0.05%
126,200
+43,300
+52% +$8.31M
2025 Q4
1 quarter
QGEN icon
155
CALL
Qiagen
QGEN
$9.5B
$24.6M 0.05%
614,800
+64,800
+12% +$3.07M
2025 Q1
4 quarters
CRM icon
156
CALL
Salesforce
CRM
$199B
$24.5M 0.05%
+131,300
New +$27.2M
2026 Q1
0 quarters
ACLX icon
157
DELISTED
Arcellx
ACLX
$24.4M 0.05%
+212,495
New +$18.8M
2026 Q1
0 quarters
AAPL icon
158
PUT
Apple
AAPL
$5.01T
$24.4M 0.05%
96,000
-165,600
-63% -$43.1M
2023 Q2
11 quarters
AMAT icon
159
PUT
Applied Materials
AMAT
$324B
$24M 0.05%
70,300
+45,400
+182% +$15.3M
2023 Q4
9 quarters
MSFT icon
160
Microsoft
MSFT
$3.93T
$24M 0.05%
64,794
+38,294
+145% +$16M
2023 Q1
12 quarters
RCL icon
161
CALL
Royal Caribbean
RCL
$74.3B
$23.7M 0.05%
86,200
+83,800
+3,492% +$25M
2025 Q2
3 quarters
COST icon
162
PUT
Costco
COST
$438B
$23.6M 0.05%
+23,700
New +$23.1M
2026 Q1
0 quarters
ARM icon
163
PUT
Arm
ARM
$244B
$23.4M 0.05%
155,000
+70,700
+84% +$8.58M
2024 Q1
8 quarters
FLR icon
164
CALL
Fluor
FLR
$6.28B
$23.3M 0.05%
500,000
-50,000
-9% -$2.33M
2025 Q2
3 quarters
BMY icon
165
CALL
Bristol-Myers Squibb
BMY
$122B
$22.1M 0.05%
+364,600
New +$21.3M
2026 Q1
0 quarters
TLT icon
166
iShares 20+ Year Treasury Bond ETF
TLT
$49.7B
$22.1M 0.05%
+255,000
New +$22.4M
2026 Q1
0 quarters
WTRG icon
167
Essential Utilities
WTRG
$11.6B
$21.8M 0.05%
541,120
-18,412
-3% -$725K
2025 Q4
1 quarter
ECHO icon
168
PUT
EchoStar
ECHO
$24.7B
$21.5M 0.05%
183,800
-365,800
-67% -$42M
2025 Q2
3 quarters
JBL icon
169
Jabil
JBL
$29.1B
$21.5M 0.05%
80,983
-104,313
-56% -$26.3M
2025 Q4
1 quarter
IGV icon
170
iShares Expanded Tech-Software Sector ETF
IGV
$13.9B
$21.4M 0.05%
+267,609
New +$23.7M
2026 Q1
0 quarters
LLYVA icon
171
Liberty Live Group Series A
LLYVA
$8.7B
$21.4M 0.05%
233,632
– –
2023 Q3
10 quarters
BTSG icon
172
BrightSpring Health Services
BTSG
$12B
$21.3M 0.05%
+501,029
New +$20.2M
2026 Q1
0 quarters
CUB icon
173
Lionheart Holdings
CUB
$285M
$21.3M 0.05%
1,980,000
– –
2024 Q4
5 quarters
BIIB icon
174
Biogen
BIIB
$34.3B
$21.3M 0.05%
116,131
+107,501
+1,246% +$19.8M
2025 Q4
1 quarter
LPAA icon
175
Launch One Acquisition Corp
LPAA
$82.1M
$21.2M 0.05%
1,980,000
– –
2024 Q4
5 quarters

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LMR Partners's Q1 2026 Portfolio in Review

As of Q1 2026, LMR Partners held 1,978 positions worth $45.4B, down 15% from $53.1B the previous quarter. Its ten largest holdings account for 59% of the portfolio.

LMR Partners withdrew a net $1.43B in Q1 2026, closing 561 positions and reducing 243 holdings. Its most notable exit was iShares National Muni Bond ETF, an estimated $161M position sold in full.

By sector, the portfolio is most concentrated in Miscellaneous at 86% of assets, down from 89% a quarter earlier, followed by Technology and Healthcare.

Against the trend, LMR Partners opened a new position in Penumbra worth $97.1M.

  • LMR Partners's largest Q1 2026 buy was Penumbra: 295,708 shares worth $97.1M.
  • LMR Partners added most to State Street SPDR S&P 500 ETF Trust in Q1 2026, an estimated $191M increase.
  • LMR Partners's biggest Q1 2026 reduction was NVIDIA, cutting an estimated $144M.
  • LMR Partners fully exited iShares National Muni Bond ETF in Q1 2026, selling an estimated $161M.
  • LMR Partners's ten largest holdings make up 59% of its $45.4B portfolio in Q1 2026.
  • LMR Partners opened 488 new positions and closed 561 in Q1 2026.
  • LMR Partners's portfolio value fell 15% quarter-over-quarter to $45.4B.

Based on LMR Partners's 13F filing for Q1 2026, filed 15 May 2026.