Madison Avenue Partners, LP
CIK 1801265 · View on SEC EDGAR ↗
- Portfolio value
- $2.3B
- Positions
- 25
- As of
- June 30, 2026
#1,377 of 9,443 by 13F value · top 14.6%
Portfolio value QoQ: +1.0% 13F does not disclose cash
- Top 10 holdings weight
- 77.08%
- Top 25 holdings weight
- 100.00%
- Positions above 1%
- 18
- Effective number of positions
- 14.1
Based on 13F long-equity holdings only (cash, bonds, shorts not disclosed)
Turnover Q2 2026: 28.7% Est. buys $663,434,804 · sells $1,790,703,257
Median holding: 2.0 quarters Tracked Q4 2024–Q2 2026 · 45.5% still held
- New positions
- 7
- Increased
- 7
- Decreased
- 8
- Closed
- 9
On this page
- Performance vs S&P How this manager's 13F portfolio performed against the S&P 500.
- Sector breakdown How the portfolio splits across market sectors.
- Portfolio Every stock this institution reports holding, from its latest 13F.
- High-conviction bets The holdings this manager is most concentrated in.
- Biggest new bets Brand-new positions opened in the latest quarter.
- Top moves The biggest position increases and decreases this quarter.
- Exited positions Positions the manager fully sold out of last quarter.
Performance vs S&P 500
Annualized: +125.6% · S&P 500: +18.0%
Approximates a buy-and-hold portfolio built from quarterly SEC 13F snapshots. Excludes cash, short positions, options/derivatives, and non-13(f) securities — reflects the disclosed long-equity book only, not total fund AUM. SEC filing lag is up to 45 days; this is not a real-time-copyable timing.
Priceable coverage: 97.0% · Options excluded: 0.0%
Sector breakdown
Healthcare
30.7%
Real Estate
12.8%
Diversified Consumer Services
12.1%
Consumer Staples
11.8%
Financials
9.4%
Retail
9.4%
Industrials
4.0%
Communication Services
3.4%
Telecommunication
1.7%
Technology
0.9%
Paper & Forest
0.7%
Other/Unmapped
3.0%
Full portfolio 25 positions
| Type | Streak | 8Q trend | |||||
|---|---|---|---|---|---|---|---|
| GHC Graham Holdings Company Common Stock | $281,209,363 | 12.11% | 246,368 | $21,304,194 | Up ×1 | ||
| INVH Invitation Homes Inc. Common Stock | $251,809,685 | 10.84% | 8,335,309 | Up ×1 | |||
| MKL Markel Group Inc. Common Stock | $219,371,848 | 9.44% | 112,325 | $51,146,150 | Up ×1 | ||
| CPNG Coupang, Inc. Class A Common Stock | $216,381,477 | 9.31% | 12,457,195 | $39,596,313 | Up ×1 | ||
| MICC The Magnum Ice Cream Company N.V. Ordinary Shares | $189,640,027 | 8.16% | 10,892,592 | $18,529,368 | Down ×1 | ||
| TBPH Theravance Biopharma, Inc. - Ordinary Shares | $156,608,284 | 6.74% | 9,212,252 | $2,242,319 | Down ×1 | ||
| SOLV Solventum Corporation Common Stock | $134,335,200 | 5.78% | 1,741,221 | $11,849,639 | Down ×6 | ||
| STAA STAAR Surgical Company - Common Stock | $119,802,210 | 5.16% | 4,175,748 | $74,142,831 | Up ×1 | ||
| INDV Indivior Pharmaceuticals, Inc. - Common Stock | $117,935,319 | 5.08% | 2,874,368 | $-13,590,819 | Down ×2 | ||
| GLPG Galapagos NV - American Depositary Shares | $103,365,254 | 4.45% | 3,447,807 | $29,409,884 | Up ×4 | ||
| GMED Globus Medical, Inc. Class A Common Stock | $73,891,416 | 3.18% | 935,216 | $12,073,684 | Up ×1 | ||
| Unknown issuer (CUSIP: G22845104) | $68,829,407 | 2.96% | 4,222,663 | Up ×1 | |||
| BTI British American Tobacco Industries, p.l.c. Common Stock ADR | $64,434,332 | 2.77% | 1,043,302 | $-1,272,324 | Down ×2 | ||
| STGW Stagwell Inc. - Class A Common Stock | $59,546,412 | 2.56% | 8,014,322 | $9,136,327 | |||
| SANM Sanmina Corporation - Common Stock | $47,660,532 | 2.05% | 188,322 | Up ×1 | |||
| PRIM Primoris Services Corporation Common Stock | $45,799,189 | 1.97% | 462,058 | Up ×1 | |||
| AD Array Digital Infrastructure, Inc. Common Shares | $40,229,128 | 1.73% | 1,109,463 | Up ×1 | |||
| AIV Apartment Investment and Management Company Common Stock | $36,753,723 | 1.58% | 12,374,991 | $-13,612,490 | |||
| SNDK Sandisk Corporation - Common Stock | $22,050,634 | 0.95% | 9,698 | $-371,231,179 | Down ×4 | ||
| TPB Turning Point Brands, Inc. Common Stock | $21,017,869 | 0.90% | 247,823 | $-482,010 | Up ×1 | ||
| SBGI Sinclair, Inc. - Class A Common Stock | $19,714,448 | 0.85% | 1,383,470 | $647,565 | Down ×1 | ||
| MAGN Magnera Corporation Common Stock | $15,299,276 | 0.66% | 1,302,066 | $172,518 | Down ×4 | ||
| MRP Millrose Properties, Inc. Class A Common Stock | $8,968,753 | 0.39% | 298,461 | ||||
| KROS Keros Therapeutics, Inc. - common stock | $6,704,438 | 0.29% | 626,583 | $-213,038 | |||
| MNRO Monro, Inc. - Common Stock | $1,641,978 | 0.07% | 95,966 | Up ×1 | |||
| No matches | |||||||
Conviction holdings
Positions increased for 3+ consecutive quarters.
Share counts are as reported in 13F filings (not split-adjusted)
| Security | Value | % of portfolio | Streak |
|---|---|---|---|
| GLPG | $103,365,254 | 4.45% | up ×4 |
Biggest new bets
New positions opened this quarter, largest first.
Top movers (QoQ)
| Security | Action | Shares Δ | Value Δ |
|---|---|---|---|
| STAA | Bought more | +1.7M | +$74.1M |
| MKL | Bought more | +24K | +$51.1M |
| CPNG | Bought more | +3.1M | +$39.6M |
| GLPG | Bought more | +983K | +$29.4M |
| GHC | Bought more | +539 | +$21.3M |
| MICC | Trimmed | -553K | +$18.5M |
| AIV | Price move only | +0 | -$13.6M |
| INDV | Trimmed | -1.4M | -$13.6M |
| GMED | Bought more | +218K | +$12.1M |
| SOLV | Trimmed | -135K | +$11.8M |
1 position hidden (data completeness check)
Exited positions
Includes corporate events (mergers, delistings) — not all exits are sells
Closed positions reflect 13F reporting changes; for index managers these are often mechanical (delisting, M&A, index rebalancing), not active decisions.
| Security | Quarter | Shares before | Value before | Price since exit |
|---|---|---|---|---|
| ICLR | June 30, 2026 | 1,282,838 | $141,958,853 | -0.6% |
| SOLS | March 31, 2026 | 2,782,460 | $135,171,907 | -25.0% |
| MOH | June 30, 2026 | 633,877 | $84,495,804 | -13.3% |
| EDR | March 31, 2025 | 2,397,658 | $75,022,719 | No longer tracked |
| UNF | March 31, 2026 | 303,844 | $58,611,508 | 15.1% |
| SAGE | Sept. 30, 2025 | 6,077,065 | $55,422,833 | No longer tracked |
| PCG | June 30, 2025 | 2,950,000 | $50,681,000 | 28.3% |
| NWSA | Dec. 31, 2025 | 1,453,322 | $44,631,519 | 15.0% |
| AIV | Dec. 31, 2025 | 3,617,314 | $28,685,300 | -56.0% |
| INVX | Sept. 30, 2025 | 1,767,997 | $27,616,113 | 59.1% |
| WLY | June 30, 2026 | 678,417 | $25,847,688 | 6.5% |
| PRMB | June 30, 2026 | 1,321,942 | $24,892,168 | -5.4% |
| MRP | Sept. 30, 2025 | 825,804 | $23,543,672 | -8.8% |
| CRGX | Sept. 30, 2025 | 4,193,626 | $17,277,739 | No longer tracked |
| DNOW | June 30, 2026 | 1,365,067 | $16,257,948 | 19.9% |
| CTRI | Dec. 31, 2025 | 693,136 | $14,673,689 | -13.7% |
| CNNE | Sept. 30, 2025 | 674,250 | $14,058,113 | -17.4% |
| CBC | June 30, 2026 | 444,933 | $10,656,145 | 5.7% |
| SLRN | June 30, 2025 | 4,142,640 | $10,232,321 | No longer tracked |
| PAR | June 30, 2026 | 447,878 | $5,970,214 | 9.0% |
| WK | March 31, 2026 | 59,946 | $5,170,343 | 23.5% |
| NNI | Dec. 31, 2025 | 31,535 | $3,953,858 | -4.2% |
| ARVN | Sept. 30, 2025 | 500,000 | $3,680,000 | 7.2% |
| TSVT | June 30, 2025 | 579,895 | $2,864,681 | No longer tracked |
| PLRX | Sept. 30, 2025 | 2,230,012 | $2,586,814 | -24.3% |
| ALMS | Dec. 31, 2025 | 417,777 | $1,666,930 | 132.2% |
| FSP | June 30, 2026 | 1,080,132 | $717,748 | No longer tracked |
| CMCO | Sept. 30, 2025 | 45,961 | $701,824 | 22.8% |
| SN | June 30, 2026 | 6,152 | $651,497 | 18.6% |
| OVID | Sept. 30, 2025 | 1,311,362 | $432,618 | 115.4% |
| ACHC | June 30, 2025 | 9,486 | $287,616 | 18.0% |