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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 | |
|---|---|---|---|---|---|---|
551
Mercado Libre
MELI
$91.3B
| $12.4M | 0.02% |
5,325
-1,099
| -17% | -$2.64M |
|
552
iShares ESG Aware MSCI USA ETF
ESGU
$17.6B
| $12.4M | 0.02% |
85,311
-2,391
| -3% | -$335K |
|
|
553
Arch Capital
ACGL
$36.1B
| $12.4M | 0.02% |
136,896
-471,866
| -78% | -$42.3M |
|
554
Cooper Companies
COO
$13.7B
| $12.4M | 0.02% |
180,620
+5,268
| +3% | +$373K |
|
555
Monster Beverage
MNST
$91.4B
| $12.3M | 0.02% |
183,397
-24,753
| -12% | -$1.55M |
|
556
Idexx Laboratories
IDXX
$42.9B
| $12.3M | 0.02% |
19,303
+636
| +3% | +$386K |
|
557
Cheniere Energy
LNG
$56.5B
| $12.3M | 0.02% |
52,290
+4,552
| +10% | +$1.07M |
|
558
Booz Allen Hamilton
BAH
$8.7B
| $12.3M | 0.02% |
122,674
+18,385
| +18% | +$1.97M |
|
559
SoFi Technologies
SOFI
$21.1B
| $12.2M | 0.02% |
462,572
+32,966
| +8% | +$782K |
|
560
iShares MSCI ACWI ETF
ACWI
$32.6B
| $12.2M | 0.02% |
88,185
+7,126
| +9% | +$947K |
|
561
iShares ESG Aware US Aggregate Bond ETF
EAGG
$4.96B
| $12.2M | 0.02% |
253,303
+1,465
| +0.6% | +$69.7K |
|
562
TotalEnergies
TTE
$193B
| $12.2M | 0.02% |
203,683
-17,316
| -8% | -$1.07M |
|
563
WisdomTree US Value Fund
WTV
$3.11B
| $12.2M | 0.02% |
133,575
+3,888
| +3% | +$346K |
|
564
Chipotle Mexican Grill
CMG
$40.8B
| $12.2M | 0.02% |
310,091
-70,224
| -18% | -$3.16M |
|
565
Brookfield
BN
$102B
| $12.1M | 0.02% |
265,704
-5,519
| -2% | -$245K |
|
566
Ford
F
$57.3B
| $12.1M | 0.02% |
1,009,872
+119,004
| +13% | +$1.37M |
|
567
BP
BP
$113B
| $12M | 0.02% |
349,436
-18,950
| -5% | -$635K |
|
568
Alnylam Pharmaceuticals
ALNY
$36.3B
| $12M | 0.02% |
26,332
+11,259
| +75% | +$4.58M |
|
569
Listed Funds Trust Roundhill Magnificent Seven ETF
MAGS
$3.91B
| $12M | 0.02% |
184,790
+4,670
| +3% | +$279K |
|
570
Vanguard Short-Term Inflation-Protected Securities Index Fund
VTIP
$19.1B
| $12M | 0.02% |
236,134
+2,194
| +0.9% | +$110K |
|
571
iShares MSCI EAFE Small-Cap ETF
SCZ
$13.5B
| $11.9M | 0.02% |
155,491
-225,741
| -59% | -$16.9M |
|
572
Digital Realty Trust
DLR
$73.7B
| $11.9M | 0.02% |
68,956
+4,605
| +7% | +$787K |
|
573
W.W. Grainger
GWW
$65.3B
| $11.9M | 0.02% |
12,500
-1,685
| -12% | -$1.69M |
|
574
Lennar Class A
LEN
$20.4B
| $11.9M | 0.02% |
94,130
-3,737
| -4% | -$464K |
|
575
Airbnb
ABNB
$83.7B
| $11.9M | 0.02% |
97,662
+31,209
| +47% | +$4.04M |
|
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.