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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
+9.26%
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
$77.4B
AUM Growth
+$8.11B
(+12%)
Cap. Flow
+$3.32B
Cap. Flow
% of AUM
4.29%
Top 10 Holdings %
Top 10 Hldgs %
28.04%
Holding
3,806
New
339
Increased
1,836
Reduced
1,278
Closed
264
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
ProShares Ultra Semiconductors
USD
|
+$770M |
| 2 |
NVIDIA
NVDA
|
+$373M |
| 3 |
Meta Platforms (Facebook)
META
|
+$179M |
| 4 |
Teledyne Technologies
TDY
|
+$167M |
| 5 |
Apple
AAPL
|
+$155M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Take-Two Interactive
TTWO
|
+$189M |
| 2 |
lululemon athletica
LULU
|
+$80.3M |
| 3 |
iShares 0-1 Year Treasury Bond ETF
SHV
|
+$79.8M |
| 4 |
Arch Capital
ACGL
|
+$42.3M |
| 5 |
Advanced Micro Devices
AMD
|
+$38.4M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 22.54% |
| 2 | Financials | 7.9% |
| 3 | Consumer Discretionary | 5.38% |
| 4 | Communication Services | 4.83% |
| 5 | Healthcare | 4.73% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
3251
Columbus McKinnon
CMCO
$465M
| $160K | ﹤0.01% |
11,137
+766
| +7% | +$11.5K |
|
|
IFN
3252
Aberdeen India Fund
IFN
$488M
| $160K | ﹤0.01% |
+10,897
| New | +$169K |
|
3253
Emergent Biosolutions
EBS
$375M
| $158K | ﹤0.01% |
17,967
+7,871
| +78% | +$61.2K |
|
3254
Barings BDC
BBDC
$862M
| $158K | ﹤0.01% |
17,984
-11,379
| -39% | -$107K |
|
|
BTQ
3255
BTQ Technologies Corp
BTQ
$479M
| $157K | ﹤0.01% |
+22,735
| New | +$140K |
|
|
CRF
3256
Cornerstone Total Return Fund
CRF
$1.14B
| $157K | ﹤0.01% |
19,557
+484
| +3% | +$3.81K |
|
3257
Zegna
ZGN
$3.84B
| $157K | ﹤0.01% |
+16,601
| New | +$144K |
|
3258
Aurinia Pharmaceuticals
AUPH
$1.97B
| $157K | ﹤0.01% |
+14,173
| New | +$155K |
|
3259
RE/MAX Holdings
RMAX
$200M
| $156K | ﹤0.01% |
16,583
+4,088
| +33% | +$36.1K |
|
3260
Organogenesis Holdings
ORGO
$308M
| $156K | ﹤0.01% |
36,962
-10,556
| -22% | -$49.1K |
|
3261
Aldeyra Therapeutics
ALDX
$91.7M
| $156K | ﹤0.01% |
29,846
+7,433
| +33% | +$38.8K |
|
3262
Goldman Sachs BDC
GSBD
$975M
| $156K | ﹤0.01% |
15,309
-1,375
| -8% | -$15.6K |
|
3263
Viavi Solutions
VIAV
$9.75B
| $155K | ﹤0.01% |
+12,244
| New | +$135K |
|
|
SBI
3264
Western Asset Intermediate Muni Fund
SBI
$109M
| $155K | ﹤0.01% |
19,618
| – | – |
|
3265
Taboola.com
TBLA
$1.32B
| $155K | ﹤0.01% |
45,310
-755
| -2% | -$2.58K |
|
|
AWP
3266
abrdn Global Premier Properties Fund
AWP
$377M
| $154K | ﹤0.01% |
12,955
-109
| -0.8% | -$1.28K |
|
3267
Cosan
CSAN
$2.96B
| $154K | ﹤0.01% |
33,495
-46,769
| -58% | -$216K |
|
|
ARDT
3268
Ardent Health
ARDT
$1.53B
| $153K | ﹤0.01% |
11,558
-1,511
| -12% | -$18.9K |
|
|
DHLX
3269
Diamond Hill Large Cap Concentrated ETF
DHLX
$89.5M
| $153K | ﹤0.01% |
+11,687
| New | +$153K |
|
|
FLD
3270
Fold Holdings
FLD
$22.9M
| $152K | ﹤0.01% |
+39,480
| New | +$155K |
|
|
CIO
3271
DELISTED
City Office REIT
CIO
| $152K | ﹤0.01% |
21,878
+646
| +3% | +$4.26K |
|
|
CCRN
3272
DELISTED
Cross Country Healthcare
CCRN
| $152K | ﹤0.01% |
+10,712
| New | +$141K |
|
3273
Telecom Argentina
TEO
$5.89B
| $151K | ﹤0.01% |
20,750
-3,420
| -14% | -$29.6K |
|
|
NEXN
3274
Nexxen International
NEXN
$547M
| $150K | ﹤0.01% |
16,266
+567
| +4% | +$5.62K |
|
|
SNBR
3275
DELISTED
Sleep Number
SNBR
| $150K | ﹤0.01% |
21,339
-15,532
| -42% | -$136K |
|
Similar funds
Mariner's Q3 2025 Portfolio in Review
As of Q3 2025, Mariner held 3,806 positions worth $77.4B, up 12% from $69.3B the previous quarter. Its ten largest holdings account for 28% of the portfolio.
Mariner deployed $3.32B of net new capital in Q3 2025, opening 339 new positions and adding to 1,836 existing holdings. Its largest new stake was ProShares Ultra Semiconductors: 17,808,292 shares worth $8.97M.
By sector, the portfolio is most concentrated in Technology at 23% of assets, up from 21% a quarter earlier, followed by Financials and Consumer Discretionary.
On the sell side, the largest reduction was Take-Two Interactive, an estimated $189M trimmed.
- Mariner's largest Q3 2025 buy was ProShares Ultra Semiconductors: 17,808,292 shares worth $8.97M.
- Mariner added most to NVIDIA in Q3 2025, an estimated $373M increase.
- Mariner's biggest Q3 2025 reduction was Take-Two Interactive, cutting an estimated $189M.
- Mariner fully exited Hess in Q3 2025, selling an estimated $5.21M.
- Mariner's ten largest holdings make up 28% of its $77.4B portfolio in Q3 2025.
- Mariner opened 339 new positions and closed 264 in Q3 2025.
- Mariner's portfolio value rose 12% quarter-over-quarter to $77.4B.
Based on Mariner's 13F filing for Q3 2025, filed 14 Nov 2025.