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Mariner

Mariner Portfolio holdings

AUM $95.2B
1-Year Est. Return 32.92%
This Fund
S&P 500
This Quarter Est. Return
-0.96%
1 Year Est. Return
+32.92%
3 Year Est. Return
+93.86%
5 Year Est. Return
+109.77%
10 Year Est. Return
+331.38%
AUM
$85.7B
AUM Growth
+$1.66B
Cap. Flow
+$4.07B
Cap. Flow %
4.75%
Top 10 Hldgs %
27.24%
Holding
3,909
New
385
Increased
1,802
Reduced
1,276
Closed
364

Sector Composition

Rank Sector Weight
1 Technology 21.37%
2 Financials 7.66%
3 Healthcare 5.22%
4 Consumer Discretionary 5.2%
5 Industrials 4.64%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
TECK icon
1926
Teck Resources
TECK
$31.2B
$1.06M ﹤0.01%
20,462
+2,995
+17% +$160K
CMRE icon
1927
Costamare
CMRE
$1.77B
$1.05M ﹤0.01%
62,383
-23,286
-27% -$387K
WABC icon
1928
Westamerica Bancorp
WABC
$1.38B
$1.05M ﹤0.01%
20,193
+2,381
+13% +$121K
SGHC icon
1929
SGHC Ltd
SGHC
$6.76B
$1.05M ﹤0.01%
97,091
+3,818
+4% +$39K
ARKB icon
1930
ARK 21Shares Bitcoin ETF
ARKB
$2.4B
$1.05M ﹤0.01%
46,624
+2,934
+7% +$74.4K
CPER icon
1931
United States Copper Index Fund
CPER
$774M
$1.05M ﹤0.01%
+30,423
New +$1.09M
ACIW icon
1932
ACI Worldwide
ACIW
$5.4B
$1.05M ﹤0.01%
25,499
+5,922
+30% +$249K
AMBA icon
1933
Ambarella
AMBA
$3.6B
$1.04M ﹤0.01%
20,304
+12,927
+175% +$806K
FLO icon
1934
Flowers Foods
FLO
$1.59B
$1.04M ﹤0.01%
128,060
-29,078
-19% -$292K
FELE icon
1935
Franklin Electric
FELE
$4.68B
$1.04M ﹤0.01%
11,335
-1,488
-12% -$146K
NBBK icon
1936
NB Bancorp
NBBK
$1.01B
$1.04M ﹤0.01%
49,495
+13,129
+36% +$276K
GAM
1937
General American Investors Company
GAM
$1.61B
$1.04M ﹤0.01%
17,796
+2,490
+16% +$150K
KMPR icon
1938
Kemper
KMPR
$1.62B
$1.04M ﹤0.01%
33,919
-34,849
-51% -$1.19M
DRTS icon
1939
Alpha Tau Medical
DRTS
$1.32B
$1.04M ﹤0.01%
146,396
+21,231
+17% +$150K
SUNB
1940
Sunbelt Rentals Holdings
SUNB
$34.8B
$1.03M ﹤0.01%
+15,904
New +$1.12M
APPN icon
1941
Appian
APPN
$2.54B
$1.03M ﹤0.01%
42,874
+18,736
+78% +$509K
Q
1942
Qnity Electronics Inc
Q
$29.8B
$1.03M ﹤0.01%
8,988
-36,318
-80% -$3.86M
UA icon
1943
Under Armour Class C
UA
$2.26B
$1.03M ﹤0.01%
178,300
+4,628
+3% +$29.2K
DIOD icon
1944
Diodes
DIOD
$4.77B
$1.03M ﹤0.01%
15,132
+3,535
+30% +$223K
SAIL
1945
SailPoint Inc
SAIL
$11.1B
$1.03M ﹤0.01%
77,867
+48,855
+168% +$763K
PBF icon
1946
PBF Energy
PBF
$8.52B
$1.03M ﹤0.01%
21,629
+6,673
+45% +$250K
AMX icon
1947
America Movil
AMX
$70.3B
$1.03M ﹤0.01%
40,431
+2,432
+6% +$55.5K
GBDC icon
1948
Golub Capital BDC
GBDC
$3.44B
$1.03M ﹤0.01%
81,243
-20,052
-20% -$257K
SUSC icon
1949
iShares ESG Aware USD Corporate Bond ETF
SUSC
$1.29B
$1.03M ﹤0.01%
44,419
+14,613
+49% +$342K
AAL icon
1950
American Airlines Group
AAL
$9.82B
$1.03M ﹤0.01%
95,601
-41,270
-30% -$547K

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Mariner's Q1 2026 Portfolio in Review

As of Q1 2026, Mariner held 3,909 positions worth $85.7B, up 2% from $84B the previous quarter. Its ten largest holdings account for 27% of the portfolio.

Mariner deployed $4.07B of net new capital in Q1 2026, opening 385 new positions and adding to 1,802 existing holdings. Its largest new stake was BNY Mellon Dynamic Value ETF: 960,263 shares worth $28.5M.

By sector, the portfolio is most concentrated in Technology at 21% of assets, down from 23% a quarter earlier, followed by Financials and Healthcare.

On the sell side, the largest reduction was iShares 7-10 Year Treasury Bond ETF, an estimated $179M trimmed.

  • Mariner's largest Q1 2026 buy was BNY Mellon Dynamic Value ETF: 960,263 shares worth $28.5M.
  • Mariner added most to Apollo Global Management in Q1 2026, an estimated $274M increase.
  • Mariner's biggest Q1 2026 reduction was iShares 7-10 Year Treasury Bond ETF, cutting an estimated $179M.
  • Mariner fully exited Exact Sciences in Q1 2026, selling an estimated $11.1M.
  • Mariner's ten largest holdings make up 27% of its $85.7B portfolio in Q1 2026.
  • Mariner opened 385 new positions and closed 364 in Q1 2026.
  • Mariner's portfolio value rose 2% quarter-over-quarter to $85.7B.

Based on Mariner's 13F filing for Q1 2026, filed 13 May 2026.