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Mariner Portfolio holdings
AUM
$85.7B
1-Year Est. Return
24.21%
This Fund
S&P 500
This Quarter
Est. Return
-2.31%
1 Year Est. Return
+24.21%
3 Year Est. Return
+74.24%
5 Year Est. Return
+87.67%
10 Year Est. Return
+269.13%
AUM
$60.1B
AUM Growth
+$549M
(+0.92%)
Cap. Flow
+$2.9B
Cap. Flow
% of AUM
4.83%
Top 10 Holdings %
Top 10 Hldgs %
25.35%
Holding
3,637
New
259
Increased
1,894
Reduced
1,172
Closed
208
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
Apollo Global Management
APO
|
+$271M |
| 2 |
Berkshire Hathaway Class A
BRK.A
|
+$174M |
| 3 |
iShares Core S&P 500 ETF
IVV
|
+$139M |
| 4 |
iShares Core US Aggregate Bond ETF
AGG
|
+$124M |
| 5 |
Progressive
PGR
|
+$101M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Tesla
TSLA
|
+$247M |
| 2 |
Prudential Financial
PRU
|
+$113M |
| 3 |
Adobe
ADBE
|
+$107M |
| 4 |
Advanced Micro Devices
AMD
|
+$102M |
| 5 |
Textron
TXT
|
+$78.6M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 18.21% |
| 2 | Financials | 8.47% |
| 3 | Healthcare | 5.72% |
| 4 | Consumer Discretionary | 5.15% |
| 5 | Communication Services | 4.28% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
3401
Chegg
CHGG
$108M
| $9.96K | ﹤0.01% |
15,577
+1,032
| +7% | +$1.28K |
|
3402
Kopin
KOPN
$663M
| $9.32K | ﹤0.01% |
10,000
-14,566
| -59% | -$21.4K |
|
3403
Blink Charging
BLNK
$75.2M
| $9.21K | ﹤0.01% |
+10,036
| New | +$11.6K |
|
3404
GoPro
GPRO
$116M
| $9.19K | ﹤0.01% |
+13,869
| New | +$12.2K |
|
3405
Nauticus Robotics
KITT
$5.27M
| $9.19K | ﹤0.01% |
+139
| New | +$16.4K |
|
3406
Super League Enterprise
SLE
$4.28M
| $8.99K | ﹤0.01% |
+80
| New | +$19.2K |
|
3407
Nektar Therapeutics
NKTR
$2.39B
| $8.94K | ﹤0.01% |
+877
| New | +$11.5K |
|
|
KG
3408
Kestrel Group
KG
$71.3M
| $8.75K | ﹤0.01% |
767
+2
| +0.3% | +$38 |
|
|
ORGN
3409
DELISTED
Origin Materials
ORGN
| $8.25K | ﹤0.01% |
415
-1,005
| -71% | -$27.6K |
|
|
MRSN
3410
DELISTED
Mersana Therapeutics
MRSN
| $7.14K | ﹤0.01% |
+830
| New | +$12.8K |
|
3411
Atossa Therapeutics
ATOS
$22.8M
| $6.8K | ﹤0.01% |
+674
| New | +$8.18K |
|
3412
Village Farms International
VFF
$235M
| $6.78K | ﹤0.01% |
11,200
| – | – |
|
3413
Lineage Cell Therapeutics
LCTX
$257M
| $6.43K | ﹤0.01% |
14,236
-606
| -4% | -$355 |
|
3414
AEye
LIDR
$52.3M
| $5.7K | ﹤0.01% |
10,000
-3
| -0% | -$3 |
|
3415
X4 Pharmaceuticals
XFOR
$363M
| $4.79K | ﹤0.01% |
+676
| New | +$9.31K |
|
3416
Passage Bio
PASG
$15.9M
| $4.21K | ﹤0.01% |
+597
| New | +$6.45K |
|
3417
Sphere 3D
ANY
$14.6M
| $3.99K | ﹤0.01% |
1,000
-227
| -19% | -$1.68K |
|
|
HYFT
3418
MindWalk Holdings
HYFT
$63.5M
| $3.77K | ﹤0.01% |
10,000
| – | – |
|
3419
Solid Power Inc Warrant
SLDPW
$8.98M
| $1.73K | ﹤0.01% |
10,166
+166
| +2% | +$38 |
|
|
AIIOW
3420
Robo.ai Inc Warrant
AIIOW
$404K
| $500 | ﹤0.01% |
20,000
| – | – |
|
3421
ACM Research
ACMR
$5.83B
| – | – |
-24,239
| Closed | -$366K |
|
3422
Adient
ADNT
$1.6B
| – | – |
-10,157
| Closed | -$175K |
|
3423
Aehr Test Systems
AEHR
$2.48B
| – | – |
-10,812
| Closed | -$180K |
|
3424
AGCO
AGCO
$8.78B
| – | – |
-2,432
| Closed | -$227K |
|
3425
AAR Corp
AIR
$5.15B
| – | – |
-3,349
| Closed | -$205K |
|
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Mariner's Q1 2025 Portfolio in Review
As of Q1 2025, Mariner held 3,637 positions worth $60.1B, up 0.92% from $59.6B the previous quarter. Its ten largest holdings account for 25% of the portfolio.
Mariner deployed $2.9B of net new capital in Q1 2025, opening 259 new positions and adding to 1,894 existing holdings. Its largest new stake was VanEck IG Floating Rate ETF: 512,742 shares worth $13.1M.
By sector, the portfolio is most concentrated in Technology at 18% of assets, down from 20% a quarter earlier, followed by Financials and Healthcare.
On the sell side, the largest reduction was Tesla, an estimated $247M trimmed.
- Mariner's largest Q1 2025 buy was VanEck IG Floating Rate ETF: 512,742 shares worth $13.1M.
- Mariner added most to Apollo Global Management in Q1 2025, an estimated $271M increase.
- Mariner's biggest Q1 2025 reduction was Tesla, cutting an estimated $247M.
- Mariner fully exited CrossFirst Bankshares, Inc. Common Stock in Q1 2025, selling an estimated $4.6M.
- Mariner's ten largest holdings make up 25% of its $60.1B portfolio in Q1 2025.
- Mariner opened 259 new positions and closed 208 in Q1 2025.
- Mariner's portfolio value rose 0.92% quarter-over-quarter to $60.1B.
Based on Mariner's 13F filing for Q1 2025, filed 15 May 2025.