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Mariner

Mariner Portfolio holdings

AUM $95.2B Turnover 23.58%
1-Year Est. Return 32.92%
This Fund
S&P 500
This Quarter Est. Return
+19.43%
1 Year Est. Return
+32.92%
3 Year Est. Return
+93.86%
5 Year Est. Return
+109.77%
10 Year Est. Return
+319.92%
AUM
$95.2B
AUM Growth
+$9.5B
Cap. Flow
-$1.86B
Cap. Flow %
-1.95%
Top 10 Hldgs %
27.89%
Holding
4,003
New
458
Increased
1,438
Reduced
1,530
Closed
486
Avg Time Held
3.2 years
Top 10 Avg Time Held
4.4 years
Top 20 Avg Time Held
5.5 years

Sector Composition

Rank Sector Weight
1 Miscellaneous 40.96%
2 Technology 24.61%
3 Financials 7.71%
4 Healthcare 5.25%
5 Industrials 5.02%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow Held Since
HIO icon
3351
Western Asset High Income Opportunity Fund
HIO
$306M
$86.7K ﹤0.01%
23,824
-4,013
-14% -$14.6K
2023 Q3
11 quarters
GALT icon
3352
Galectin Therapeutics
GALT
$322M
$85.8K ﹤0.01%
18,500
-1,312
-7% -$3.4K
2022 Q3
15 quarters
ASLE icon
3353
AerSale
ASLE
$223M
$85.6K ﹤0.01%
+13,539
New +$88.5K
2026 Q2
0 quarters
DNN icon
3354
Denison Mines
DNN
$1.96B
$85K ﹤0.01%
27,771
+1,250
+5% +$4.36K
2022 Q3
15 quarters
MITT icon
3355
TPG Mortgage Investment Trust
MITT
$173M
$84.8K ﹤0.01%
+10,707
New +$83.6K
2026 Q2
0 quarters
BLDP icon
3356
Ballard Power Systems
BLDP
$516M
$84.4K ﹤0.01%
21,707
-1,099
-5% -$4.48K
2022 Q3
15 quarters
CION icon
3357
CION Investment
CION
$319M
$81.7K ﹤0.01%
13,115
-663
-5% -$4.63K
2021 Q4
18 quarters
RCEL icon
3358
Avita Medical
RCEL
$480M
$81.1K ﹤0.01%
+19,634
New +$84.7K
2026 Q2
0 quarters
SERV icon
3359
Serve Robotics
SERV
$241M
$80.7K ﹤0.01%
+12,268
New +$102K
2026 Q2
0 quarters
PTLO icon
3360
Portillo's
PTLO
$305M
$80.1K ﹤0.01%
16,900
+4,432
+36% +$21.5K
2025 Q4
2 quarters
SSII icon
3361
SS Innovations International
SSII
$451M
$79.7K ﹤0.01%
19,211
+554
+3% +$2.25K
2025 Q2
4 quarters
PAL icon
3362
Proficient Auto Logistics
PAL
$76M
$78.1K ﹤0.01%
11,467
+9
+0.1% +$60
2026 Q1
1 quarter
DHY
3363
UBS Asset Management High Yield Credit Fund
DHY
$222M
$77.2K ﹤0.01%
4,339
+1,000
+30% +$17.8K
2025 Q1
5 quarters
DOUG icon
3364
Douglas Elliman
DOUG
$145M
$76.5K ﹤0.01%
43,244
+30,050
+228% +$53.9K
2026 Q1
1 quarter
NAGE icon
3365
Niagen Bioscience
NAGE
$192M
$75.9K ﹤0.01%
23,773
-25,225
-51% -$102K
2025 Q2
4 quarters
OPK icon
3366
Opko Health
OPK
$1.22B
$75.7K ﹤0.01%
50,486
+11,140
+28% +$14.2K
2025 Q1
5 quarters
LAB icon
3367
Standard BioTools
LAB
$239M
$75.3K ﹤0.01%
91,537
+44,380
+94% +$41.9K
2025 Q1
5 quarters
HAIN icon
3368
Hain Celestial
HAIN
$13.7M
$75K ﹤0.01%
133,872
+86,469
+182% +$64.2K
2025 Q2
4 quarters
EHTH icon
3369
eHealth
EHTH
$17M
$74.7K ﹤0.01%
50,180
+18,669
+59% +$31.3K
2026 Q1
1 quarter
CHRS icon
3370
Coherus Oncology
CHRS
$156M
$73K ﹤0.01%
52,167
+25,428
+95% +$41.5K
2025 Q4
2 quarters
LZM icon
3371
Lifezone Metals
LZM
$312M
$72K ﹤0.01%
+18,549
New +$86.6K
2026 Q2
0 quarters
DSM icon
3372
BNY Mellon Strategic Municipal Bond Fund
DSM
$262M
$71.8K ﹤0.01%
11,676
+85
+0.7% +$517
2023 Q4
10 quarters
OGI icon
3373
Organigram Holdings
OGI
$134M
$71.6K ﹤0.01%
70,173
-1,805
-3% -$2.2K
2025 Q1
5 quarters
UROY
3374
Uranium Royalty Corp
UROY
$1.31B
$70K ﹤0.01%
+25,183
New +$88.3K
2026 Q2
0 quarters
HRZN icon
3375
Horizon Technology Finance
HRZN
$265M
$69.8K ﹤0.01%
+14,760
New +$63.8K
2026 Q2
0 quarters

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Mariner's Q2 2026 Portfolio in Review

As of Q2 2026, Mariner held 4,003 positions worth $95.2B, up 11% from $85.7B the previous quarter. Its ten largest holdings account for 28% of the portfolio.

Mariner's Q2 2026 filing shows 458 new, 1,438 increased, 1,530 reduced and 486 closed positions. Its largest new stake was Honeywell Aerospace: 217,569 shares worth $48.1M. The largest sale was ProShares Ultra Semiconductors, an estimated $318M.

By sector, the portfolio is most concentrated in Miscellaneous at 41% of assets, down from 43% a quarter earlier, followed by Technology and Financials.

  • Mariner's largest Q2 2026 buy was Honeywell Aerospace: 217,569 shares worth $48.1M.
  • Mariner added most to Micron Technology in Q2 2026, an estimated $318M increase.
  • Mariner's biggest Q2 2026 reduction was ProShares Ultra Semiconductors, cutting an estimated $318M.
  • Mariner fully exited Fidelity Fundamental Large Cap Core ETF in Q2 2026, selling an estimated $52.7M.
  • Mariner's ten largest holdings make up 28% of its $95.2B portfolio in Q2 2026.
  • Mariner opened 458 new positions and closed 486 in Q2 2026.
  • Mariner's portfolio value rose 11% quarter-over-quarter to $95.2B.

Based on Mariner's 13F filing for Q2 2026, filed 13 Aug 2026.