Madison Avenue Partners, LP
In its 13F for Q3 2024 (holdings as of September 30, 2024, filed November 14, 2024), Madison Avenue Partners, LP reported 25 stock positions worth $1.1 billion. Its top holding was Solventum (SOLV) at 18.3% of the portfolio, followed by Graham Class B (GHC, 17.9%) and Liberty Broadband-C (LBRDK, 12.2%). Compared with Q2 2024, it opened 7 new positions, sold out of 2, added to 6 and reduced 6. The biggest buy was a new position in Liberty Broadband-C (LBRDK) and the biggest sale Sharkninja (SN, shares −99%).
- Most Recent 13F
- Q2 2026
- Location
- NEW YORK, NY
- CIK
- 0001801265
- Portfolio Value
- $1.1B (Q3 2024)
- SEC Filing
- 0001801265-24-000012 ↗ filed Nov 14, 2024
Holdings Value
Holdings 25 stocks · $1.1B
| SOLV Solventum Corp. | 18.28% | 2,827,672 | $197.1M | Add +14.7% |
| GHC Graham Holdings Co. Class B | 17.93% | 235,271 | $193.3M | Add +0.8% |
| LBRDK Liberty Broadband-C | 12.16% | 1,696,584 | $131.1M | New |
| WLY Wiley (john) & Sons Class A | 10.25% | 2,290,206 | $110.5M | Add +40.5% |
| GMED Globus Medical Inc. Class A | 7.54% | 1,137,050 | $81.3M | Reduce -19.7% |
| TBPH Theravance Biopharma Inc. | 7.11% | 9,511,150 | $76.7M | Add +11.8% |
| STGW Stagwell Inc. | 4.65% | 7,147,662 | $50.2M | No change |
| QDEL Quidelortho Corp. | 4.37% | 1,033,382 | $47.1M | Reduce -31.0% |
| INDV Indivior Ltd. | 3.58% | 3,960,772 | $38.6M | Add +1672.7% |
| NNI Nelnet Inc. Class A | 3.05% | 290,213 | $32.9M | No change |
| DCO Ducommun Inc. | 2.22% | 363,729 | $23.9M | Reduce -4.9% |
| EDR Endeavor Group Hold Class A | 1.93% | 730,260 | $20.9M | New |
| INVX Innovex International Inc. | 1.39% | 1,024,467 | $15.0M | New |
| TSVT 2SEVENTY Bio Inc. | 1.12% | 2,563,222 | $12.1M | No change |
| NWSA News Corp. Class A | 1.06% | 428,040 | $11.4M | No change |
| AMTM Amentum Holdings Inc. | 1.03% | 383,218 | $11.1M | New |
| RVNC Revance Therapeutics Inc. | 0.65% | 1,353,321 | $7.0M | New |
| FSP Franklin Street Properties C | 0.54% | 3,291,443 | $5.8M | No change |
| OVID Ovid Therapeutics Inc. | 0.45% | 4,116,773 | $4.9M | Add +0.8% |
| MODVQ Modivcare Inc. | 0.35% | 261,511 | $3.7M | New |
| NWS News Corp. Class B | 0.14% | 52,534 | $1.5M | No change |
| CEE Central and Eastern Europe F | 0.08% | 79,400 | $851K | Reduce -76.4% |
| SN Sharkninja Inc. | 0.06% | 6,152 | $669K | Reduce -99.2% |
| TALK Talkspace Inc. | 0.05% | 257,238 | $538K | New |
| ZIMV Zimvie Inc. | 0.00% | 1,771 | $28K | Reduce -99.3% |
Portfolio Sells Q2 2024 → Q3 2024
| SN Sharkninja Inc. | Reduce -99.2% | 0.06% | −6.79 |
| GMED Globus Medical Inc. Class A | Reduce -19.7% | 7.54% | −4.71 |
| QDEL Quidelortho Corp. | Reduce -31.0% | 4.37% | −1.91 |
| ATMU Atmus Filtration Technologie | Sold out | 0.00% | −1.51 |
| ZIMV Zimvie Inc. | Reduce -99.3% | 0.00% | −0.62 |
| DCO Ducommun Inc. | Reduce -4.9% | 2.22% | −0.58 |
| CEE Central and Eastern Europe F | Reduce -76.4% | 0.08% | −0.38 |
| MCHB Mechanics Bancorp Class A | Sold out | 0.00% | −0.35 |
Portfolio Buys Q2 2024 → Q3 2024
| LBRDK Liberty Broadband-C | New | 12.16% | +12.16 |
| INDV Indivior Ltd. | Add +1672.7% | 3.58% | +3.13 |
| EDR Endeavor Group Hold Class A | New | 1.93% | +1.93 |
| WLY Wiley (john) & Sons Class A | Add +40.5% | 10.25% | +1.86 |
| SOLV Solventum Corp. | Add +14.7% | 18.28% | +1.82 |
| INVX Innovex International Inc. | New | 1.39% | +1.39 |
| AMTM Amentum Holdings Inc. | New | 1.03% | +1.03 |
| RVNC Revance Therapeutics Inc. | New | 0.65% | +0.65 |
| MODVQ Modivcare Inc. | New | 0.35% | +0.35 |
| OVID Ovid Therapeutics Inc. | Add +0.8% | 0.45% | +0.05 |
| TALK Talkspace Inc. | New | 0.05% | +0.05 |
| TBPH Theravance Biopharma Inc. | Add +11.8% | 7.11% | −2.01 |
| GHC Graham Holdings Co. Class B | Add +0.8% | 17.93% | −2.71 |
All Filings
| Quarter | Positions | 13F Reported Value | Top Holdings |
|---|---|---|---|
| Q2 2026 | 25 | $2.3B | GHC, INVH, MKL, CPNG, MICC |
| Q1 2026 | 27 | $2.3B | SNDK, GHC, CPNG, MICC, MKL |
| Q4 2025 | 23 | $2.3B | SNDK, GHC, GMED, INDV, MKL |
| Q3 2025 | 20 | $1.7B | GHC, SNDK, MKL, INDV, GMED |
| Q2 2025 | 26 | $1.5B | GHC, SOLV, MKL, SNDK, INDV |
| Q1 2025 | 22 | $1.2B | GHC, SOLV, MKL, WLY, TBPH |
| Q4 2024 | 15 | $944.4M | GHC, SOLV, WLY, TBPH, ACHC |
| Q3 2024 | 25 | $1.1B | SOLV, GHC, LBRDK, WLY, GMED |
| Q2 2024 | 20 | $791.6M | GHC, SOLV, GMED, TBPH, WLY |
| Q1 2024 | 18 | $619.9M | GHC, SN, TBPH, WLY, HES |