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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 | |
|---|---|---|---|---|---|---|
76
Linde
LIN
$237B
| $184M | 0.24% |
387,445
+29,975
| +8% | +$14.2M |
|
77
TJX Companies
TJX
$171B
| $183M | 0.24% |
1,268,527
-121,863
| -9% | -$16.2M |
|
78
Vanguard Real Estate ETF
VNQ
$39.9B
| $182M | 0.24% |
1,991,438
+5,174
| +0.3% | +$469K |
|
|
79
Teledyne Technologies
TDY
$30.3B
| $181M | 0.23% |
309,556
+305,337
| +7,237% | +$167M |
|
80
Williams Companies
WMB
$91.2B
| $181M | 0.23% |
2,857,627
+176
| +0% | +$10.3K |
|
81
iShares Core Dividend Growth ETF
DGRO
$42.5B
| $180M | 0.23% |
2,643,106
-173,242
| -6% | -$11.4M |
|
82
Vanguard Tax-Exempt Bond Index Fund
VTEB
$45.1B
| $177M | 0.23% |
3,542,195
+283,756
| +9% | +$13.9M |
|
83
Vanguard Large-Cap ETF
VV
$51.8B
| $177M | 0.23% |
573,964
+48,695
| +9% | +$14.4M |
|
84
KLA
KLAC
$275B
| $175M | 0.23% |
1,623,620
+15,450
| +1% | +$1.44M |
|
85
Trane Technologies
TT
$106B
| $175M | 0.23% |
413,981
+14,535
| +4% | +$6.21M |
|
|
DFUS
86
Dimensional US Equity ETF
DFUS
$20.7B
| $171M | 0.22% |
2,362,710
+375,178
| +19% | +$26.1M |
|
|
SPYM
87
State Street SPDR Portfolio S&P 500 ETF
SPYM
$158B
| $167M | 0.22% |
2,136,786
+12,966
| +0.6% | +$978K |
|
88
iShares Russell Mid-Cap ETF
IWR
$56.7B
| $167M | 0.22% |
1,733,034
-2,245
| -0.1% | -$213K |
|
89
Leidos
LDOS
$14.3B
| $167M | 0.22% |
884,315
+38,150
| +5% | +$6.64M |
|
90
iShares Core S&P Total US Stock Market ETF
ITOT
$93.2B
| $163M | 0.21% |
1,119,988
+5,682
| +0.5% | +$797K |
|
91
Cisco
CSCO
$448B
| $161M | 0.21% |
2,354,612
+52,689
| +2% | +$3.59M |
|
92
Progressive
PGR
$124B
| $159M | 0.21% |
644,636
+47,248
| +8% | +$11.6M |
|
93
iShares Russell 2000 ETF
IWM
$81.1B
| $159M | 0.21% |
656,707
+29,522
| +5% | +$6.77M |
|
94
SPDR Gold Trust
GLD
$131B
| $159M | 0.21% |
446,766
-9,215
| -2% | -$2.94M |
|
95
State Street Technology Select Sector SPDR ETF
XLK
$115B
| $158M | 0.2% |
1,120,010
+27,124
| +2% | +$3.59M |
|
96
Aecom
ACM
$9.06B
| $155M | 0.2% |
1,191,021
+38,699
| +3% | +$4.67M |
|
97
TSMC
TSM
$2.1T
| $152M | 0.2% |
545,078
+127,612
| +31% | +$31.2M |
|
98
AT&T
T
$165B
| $152M | 0.2% |
5,381,621
+288,120
| +6% | +$8.18M |
|
99
Texas Instruments
TXN
$256B
| $151M | 0.2% |
821,889
+45,089
| +6% | +$8.82M |
|
100
Phillips 66
PSX
$83.4B
| $147M | 0.19% |
1,081,027
+38,893
| +4% | +$4.98M |
|
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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.