GP
Gridiron Partners, LLC — 13F Portfolio Breakdown & Top Holdings (Q2 2026)
Gridiron Partners, LLCCIK: 0001910867
Sector-focusedMomentum followerQuality / disciplined sizing
Total reported value
$190.5M
Reporting period: 2026-06-30 · Number of holdings: 51
Gridiron Partners, LLC disclosed 51 holdings in its latest 13F filing for the period ending 2026-06-30, with total reported value of $190.5M and a quarterly turnover rate of 27.5%.
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Personality snowflake
- Concentration
- 62.43
- Portfolio Stability
- 27.46
- Momentum
- 100
- Sector conviction
- 100
- Diversification
- 100
- Sizing Uniformity
- 73.36
Gridiron Partners, LLC's disclosed holdings carry a Herfindahl concentration index of 0.156 — mathematically equivalent to about 6 equally-sized positions, well below its 51 actual disclosed holdings. That gap points to a strategy built around a small core of high-conviction bets rather than broad diversification.
Position sizes vary widely across the portfolio (a coefficient of variation of 2.66), with a handful of outsized bets alongside many smaller positions.
Recent activity leans toward adding more aggressively to already-large existing positions than to newly initiated ones (a 3.4 percentage-point tilt) — a pattern consistent with a momentum-following approach.
Sector classification currently covers about 2% of this portfolio's disclosed value; the remainder includes holdings (e.g. unmapped tickers, options, or other security types) not yet covered by our sector mapping.
Source and citation information
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Recent moves
View source Form 13F filing on SEC.govAdd XEFRX
+524.8% $3.9M
Add EMB
+100.5% $4.2M
Add VVR
+518.4% $2.9M
Trim NMZ
-68.2% -$2.2M
New buy GOF
Add DBL
+123.9% $2.7M
Holdings Map
New buyAddUnchangedTrim
Top 10 holdings by weight
Full holdings list this quarter
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | AGG | Ishares Core U.s. Aggregate | ETF-Other | 27.13% | -1.14% | +12.04% | |
| 2 | BND | Vanguard Total Bond Market | ETF-Other | 25.35% | -1.09% | +11.94% | |
| 3 | SPY | Ss Spdr S&p 500 ETF Trust-us | ETF-Large Cap & Growth | 9.60% | -0.11% | +0.18% | |
| 4 | VTI | Vanguard Total Stock Mkt ETF | ETF-Other | 5.35% | -0.04% | +0.20% | |
| 5 | EMB | Ishares Jp Morgan Usd Emergi | ETF-Other | 4.30% | +1.87% | +100.52% | |
| 6 | PML | Pimco Municipal Income Fd Ii | Stock-Other | 3.32% | +0.37% | +30.37% | |
| 7 | DBL | Doubleline Opport Credit | Stock-Other | 2.62% | +1.24% | +123.94% | |
| 8 | XEFRX | Eaton Vance Sr Fltg Rate Tr | Stock-Other | 2.41% | +1.96% | +524.76% | |
| 9 | VVR | Invesco Senior Income Trust | Stock-Other | 1.85% | +1.48% | +518.38% | |
| 10 | IWM | Ishares Russell 2000 ETF | ETF-Small Cap | 1.48% | +0.07% | +0.19% | |
| 11 | XFFCX | Flaherty & Crumrine Pref Inc | Stock-Other | 1.46% | +0.18% | +25.97% | |
| 12 | LEO | Bny Mellon Strategic Muni | Stock-Other | 1.37% | +0.06% | +18.84% | |
| 13 | GOF | Guggenheim Strategic Opport | Stock-Other | 1.30% | +1.30% | NEW | |
| 14 | MDY | State Street Spdr S&p Midcap | ETF-Other | 1.15% | -0.03% | — | |
| 15 | VEA | Vanguard Ftse Developed ETF | ETF-Other | 1.01% | -0.05% | +0.27% | |
| 16 | VWO | Vanguard Ftse Emerging Marke | ETF-Emerging Markets | 0.97% | -0.05% | — | |
| 17 | PSF | Cohen & Steers Select Prefer | Stock-Other | 0.89% | +0.49% | +147.43% | |
| 18 | VXUS | Vanguard Total Intl Stock | ETF-Other | 0.87% | -0.05% | +0.21% | |
| 19 | MSFT | Microsoft CORP | Stock-Tech | 0.84% | -0.12% | — | |
| 20 | DSL | Doubleline Income Solutions | Stock-Other | 0.56% | +0.40% | +300.64% | |
| 21 | NMZ | Nuveen Muni Hi Inc Opport | Stock-Other | 0.56% | -1.47% | -68.23% | |
| 22 | BTT | Blackrock 2030 Muni Trgt Trm | Stock-Other | 0.55% | -0.38% | -32.23% | |
| 23 | VCSH | Vanguard S/t CORP Bond ETF | ETF-Corp Bonds | 0.45% | -0.08% | — | |
| 24 | BLW | Blackrock LTD Durat Inc Tr | Stock-Other | 0.41% | +0.41% | NEW | |
| 25 | BSV | Vanguard Short-term Bond ETF | ETF-Other | 0.41% | -0.07% | +0.48% | |
| 26 | KKR | Kkr & Co Inc | Stock-Financials | 0.37% | -0.07% | — | |
| 27 | BX | Blackstone Inc | Stock-Financials | 0.28% | -0.03% | — | |
| 28 | FPF | First Tr Interm Dur & Inc | Stock-Other | 0.25% | +0.04% | +37.29% | |
| 29 | DLY | Doubleline Yield Opport | Stock-Other | 0.24% | — | +15.21% | |
| 30 | FAX | Abrdn Asia-pacific Income | Stock-Other | 0.23% | — | +13.94% | |
| 31 | XNEAX | Nuveen Amt-fr Qlty Muni Inc | Stock-Other | 0.19% | -0.77% | -77.39% | |
| 32 | NMCO | Nuveen Municipal Credit Opp | Stock-Other | 0.18% | -0.45% | -67.94% | |
| 33 | SABA | Saba Capital Income & Opp Ii | Stock-Other | 0.17% | -0.03% | +3.95% | |
| 34 | PPG | Ppg Industries Inc | Stock-Materials | 0.17% | -0.01% | — | |
| 35 | NZF | Nuveen Municipal Credit Inc | Stock-Other | 0.16% | -1.06% | -85.24% | |
| 36 | VGM | Invesco Trust For Investmen | Stock-Other | 0.15% | -0.63% | -79.16% | |
| 37 | INTC | Intel CORP | Stock-Tech | 0.15% | +0.15% | NEW | |
| 38 | VMO | Invesco Municipal Opport | Stock-Other | 0.14% | -0.32% | -65.27% | |
| 39 | BBN | Blackrock Taxable Muni Bnd | Stock-Other | 0.14% | -0.13% | -40.26% | |
| 40 | NVG | Nuveen Amt-fr Muni Crdt | Stock-Other | 0.14% | -1.11% | -87.70% | |
| 41 | PDO | Pimco Dynamic Income Opport | Stock-Other | 0.10% | -0.11% | -43.25% | |
| 42 | NBB | Nuveen Taxable Municipal Inc | Stock-Other | 0.09% | -0.06% | -28.07% | |
| 43 | IIM | Invesco Value Municipal Inco | Stock-Other | 0.09% | -0.10% | -46.67% | |
| 44 | RA | Brookfield Real Assets Incom | Stock-Other | 0.09% | -0.11% | -48.57% | |
| 45 | BRW | Saba Capital Income & Opport | Stock-Other | 0.09% | -0.14% | -53.10% | |
| 46 | JPC | Nuveen Prefered & Income Opp | Stock-Other | 0.09% | -0.11% | -51.51% | |
| 47 | TEI | Templeton Emrg Mkts Inc | Stock-Other | 0.06% | -0.03% | -31.47% | |
| 48 | EVN | Eaton Vance Muni Inc Tr | Stock-Other | 0.06% | -0.15% | -68.84% | |
| 49 | BGT | Blackrock Fltng Rt Inc Tr | Stock-Other | 0.06% | +0.06% | NEW | |
| 50 | PFN | Pimco Income Strategy Fd Ii | Stock-Other | 0.04% | -0.01% | +10.47% |
1–50 of 51
Portfolio Performance
Performance for Q3 2026
+0.3%
Performance Last 4 Quarters
+5.1%
- Stdev
- +6.4%
- Beta
- +0.42
- Alpha
- -0.9%
- Max Drawdown
- -3%
- Annualized Perf
- +7.7%
- Batting Avg vs S&P
- +29.6%
- Sortino
- +1.92
- Stutzer
- +0.34
- Treynor
- +0.18
- Sterling
- +0.6
- Calmar
- +2.62
- Information Ratio
- -1.55
- Tracking Error
- +8.1%
- Stdev Down
- +4%
- Winning Months %
- +74.1%
- Losing Months %
- +25.9%
- Best 12 Months
- +9.9%
- Worst 12 Months
- +4.6%
- Efficiency Ratio
- +0.39
- Sharpe
- +1.21
- Stdev Sectors
- +18.4%
- Skewness
- -0.86
- Kurtosis
- -0.58
- Upside Potential
- +3.54
Reported value over time
Sector allocation
Sector allocation over time
Quarterly history
Holding changes this quarter
Gridiron Partners, LLC's most significant position changes for 2026-06-30: New buy: Guggenheim Strategic Opport (GOF); New buy: Blackrock LTD Durat Inc Tr (BLW); New buy: Intel CORP (INTC); New buy: Blackrock Fltng Rt Inc Tr (BGT); Add: Eaton Vance Sr Fltg Rate Tr (XEFRX) — shares +524.76%.
1–50 of 51
* This report is exclusively curated by the AlphaSMO team. AlphaSMO is the web's most authoritative 13F / Inside Trader database, delivering precise insider trading and institutional holdings insights.
Filing History
FAQ
What is Gridiron Partners, LLC and what type of investor is it?
Gridiron Partners, LLC is an investment manager that files SEC Form 13F quarterly, disclosing its U.S. public equity holdings to regulators. As of the most recent reporting period (2026-06-30), the firm manages a tracked equity portfolio valued at approximately $190.5M, spread across 51 disclosed positions.
What are Gridiron Partners, LLC's largest equity positions?
Based on the latest 13F filing, Gridiron Partners, LLC's top holdings by market value are:
1. Ishares Core U.s. Aggregate (AGG) — $51.7M (27.1%)
2. Vanguard Total Bond Market (BND) — $48.3M (25.4%)
3. Ss Spdr S&p 500 ETF Trust-us (SPY) — $18.3M (9.6%)
4. Vanguard Total Stock Mkt ETF (VTI) — $10.2M (5.3%)
5. Ishares Jp Morgan Usd Emergi (EMB) — $8.2M (4.3%)
What changes did Gridiron Partners, LLC make in its most recent portfolio filing?
In the latest reported quarter, Gridiron Partners, LLC made 43 notable position adjustments: 4 new positions were initiated, 22 existing holdings were added to, 17 positions were partially reduced, and 0 were completely exited. The largest of these moves: New buy: Guggenheim Strategic Opport (GOF); New buy: Blackrock LTD Durat Inc Tr (BLW); New buy: Intel CORP (INTC); New buy: Blackrock Fltng Rt Inc Tr (BGT); Add: Eaton Vance Sr Fltg Rate Tr (XEFRX) — shares +524.76%
What sectors does Gridiron Partners, LLC focus on?
Gridiron Partners, LLC is concentrated in the following sectors based on its current disclosed equity portfolio:
• Information Technology: 54.5%
• Financials: 35.9%
• Materials: 9.6%
Investment Profile
Gridiron Partners, LLC returned an annualized 7.7% over the trailing 27 months — underperforming the S&P 500 by 0.9 points — based on a reconstructed track record of its disclosed 13F positions, with a beta of 0.42 (less volatile than the market) and a 30% quarterly batting average against the index.
Its portfolio is moderately concentrated and moderately active, with 54.5% of the portfolio concentrated in Information Technology.
Its turnover score has risen from 0 to 27 over the past 4 quarters — a shift toward more active trading.
It has added to its EMB position over the past two quarters (+$7.2M, now $8.2M), while trimming NMZ over the same stretch (-$3.4M, still holding $1.1M).
Peer Institutions
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GW
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BT
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HW
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Developer Access
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