Brooktree Capital Management
In its 13F for Q1 2026 (holdings as of March 31, 2026, filed May 6, 2026), Brooktree Capital Management reported 44 stock positions worth $126.1 million. Its top holding was Interactive Brokers Gro Class A (IBKR) at 14.5% of the portfolio, followed by Rimini Street (RMNI, 10.3%) and People (PPLI, 10.0%). Compared with Q4 2025, it opened 4 new positions, sold out of 1, added to 9 and reduced 15. The biggest buy was Wix.com (WIX, shares +2271%) and the biggest sale Thryv (THRY, shares −32%).
- Most Recent 13F
- Q2 2026
- Location
- Grand Rapids, MI
- CIK
- 0001021296
- Portfolio Value
- $126.1M (Q1 2026)
- SEC Filing
- 0000905729-26-000096 ↗ filed May 6, 2026
Holdings Value
Holdings 44 stocks · $126.1M
| IBKR Interactive Brokers Gro Class A | 14.48% | 272,252 | $18.3M | Reduce -32.1% |
| RMNI Rimini Street Inc. | 10.30% | 3,958,685 | $13.0M | Add +3.2% |
| PPLI People Inc. filed as IAC INC | 9.98% | 314,448 | $12.6M | Reduce -2.0% |
| PAR Par Technology Corp. | 9.11% | 862,391 | $11.5M | Add +121.5% |
| BRK.B Berkshire Hathaway Inc. Class B | 7.12% | 18,748 | $9.0M | Reduce -14.5% |
| BFH Bread Financial Holdings Inc. | 5.85% | 98,534 | $7.4M | Reduce -39.2% |
| QCOM Qualcomm Inc. | 5.37% | 52,544 | $6.8M | Add +0.8% |
| WIX Wix.com Ltd. | 3.44% | 48,160 | $4.3M | Add +2271.3% |
| FISV Fiserv Inc. | 2.97% | 67,058 | $3.7M | Add +67.4% |
| JNJ Johnson & Johnson | 2.89% | 14,903 | $3.6M | Reduce -50.1% |
| EXTR Extreme Networks Inc. | 2.66% | 222,688 | $3.4M | Add +0.3% |
| DXCM Dexcom Inc. | 2.50% | 50,278 | $3.2M | Add +12.6% |
| PFE Pfizer Inc. | 2.26% | 101,435 | $2.8M | Reduce -15.8% |
| THRY Thryv Holdings Inc. | 2.01% | 923,611 | $2.5M | Reduce -32.0% |
| RKT Rocket Cos Inc. Class A | 1.75% | 154,988 | $2.2M | Add +6.4% |
| NET Cloudflare Inc. Class A | 1.68% | 10,286 | $2.1M | Add +611.8% |
| XOM Exxon Mobil Corp. | 1.36% | 10,076 | $1.7M | No change |
| GTLB Gitlab Inc. Class A | 1.09% | 63,471 | $1.4M | New |
| NOW ServiceNow Inc. | 1.03% | 12,481 | $1.3M | New |
| MSFT Microsoft Corp. | 1.02% | 3,463 | $1.3M | Reduce -24.4% |
| IYW iShares Ustechnology ETF | 0.93% | 6,476 | $1.2M | No change |
| WST West Pharmaceutical Services | 0.87% | 4,372 | $1.1M | Reduce -15.3% |
| DXC DXC Technology Co. | 0.86% | 86,703 | $1.1M | Reduce -16.1% |
| GD General Dynamics Corp. | 0.86% | 3,144 | $1.1M | Reduce -54.2% |
| ABBV Abbvie Inc. | 0.85% | 4,958 | $1.1M | No change |
| SYK Stryker Corp. | 0.70% | 2,693 | $885K | No change |
| LLY Eli Lilly & Co. | 0.58% | 794 | $730K | Reduce -61.4% |
| MCD McDonald's Corp. | 0.53% | 2,168 | $674K | Reduce -5.6% |
| JPM JPMorgan Chase & Co. | 0.47% | 2,000 | $588K | No change |
| GOOGL Alphabet Inc. Class A | 0.46% | 2,000 | $575K | No change |
| GOOG Alphabet Inc. Class C | 0.45% | 2,000 | $574K | No change |
| ABT Abbott Laboratories | 0.41% | 4,984 | $512K | Reduce -2.3% |
| ROP Roper Technologies Inc. | 0.39% | 1,405 | $497K | New |
| AAPL Apple Inc. | 0.38% | 1,882 | $478K | Reduce -13.5% |
| PEP Pepsico Inc. | 0.36% | 2,950 | $458K | No change |
| AMGN Amgen Inc. | 0.28% | 1,000 | $352K | No change |
| BNY Bank of New York Mellon Corp. filed as BANK NEW YORK MELLON CORP | 0.27% | 2,860 | $339K | No change |
| HD Home Depot Inc. | 0.26% | 1,015 | $334K | No change |
| KO The Coca-Cola Co. | 0.24% | 4,000 | $304K | No change |
| EMR Emerson Electric Co. | 0.21% | 2,000 | $262K | No change |
| CLBT Cellebrite Di Ltd. | 0.20% | 18,028 | $248K | New |
| AMZN Amazon.com Inc. | 0.19% | 1,177 | $245K | No change |
| CL Colgate-Palmolive Co. | 0.19% | 2,850 | $243K | No change |
| PG The Procter & Gamble Co. | 0.18% | 1,600 | $231K | No change |
Portfolio Sells Q4 2025 → Q1 2026
| THRY Thryv Holdings Inc. | Reduce -32.0% | 2.01% | −3.46 |
| IBKR Interactive Brokers Gro Class A | Reduce -32.1% | 14.48% | −2.67 |
| BFH Bread Financial Holdings Inc. | Reduce -39.2% | 5.85% | −2.13 |
| JNJ Johnson & Johnson | Reduce -50.1% | 2.89% | −1.23 |
| LLY Eli Lilly & Co. | Reduce -61.4% | 0.58% | −0.89 |
| GD General Dynamics Corp. | Reduce -54.2% | 0.86% | −0.68 |
| MSFT Microsoft Corp. | Reduce -24.4% | 1.02% | −0.46 |
| BRK.B Berkshire Hathaway Inc. Class B | Reduce -14.5% | 7.12% | −0.20 |
| DXC DXC Technology Co. | Reduce -16.1% | 0.86% | −0.14 |
| KMB Kimberly-Clark Corp. | Sold out | 0.00% | −0.13 |
| WST West Pharmaceutical Services | Reduce -15.3% | 0.87% | −0.08 |
| ABT Abbott Laboratories | Reduce -2.3% | 0.41% | −0.02 |
| AAPL Apple Inc. | Reduce -13.5% | 0.38% | −0.01 |
| MCD McDonald's Corp. | Reduce -5.6% | 0.53% | +0.07 |
| PFE Pfizer Inc. | Reduce -15.8% | 2.26% | +0.26 |
| PPLI People Inc. | Reduce -2.0% | 9.98% | +1.63 |
Portfolio Buys Q4 2025 → Q1 2026
| WIX Wix.com Ltd. | Add +2271.3% | 3.44% | +3.30 |
| NET Cloudflare Inc. Class A | Add +611.8% | 1.68% | +1.49 |
| FISV Fiserv Inc. | Add +67.4% | 2.97% | +1.18 |
| GTLB Gitlab Inc. Class A | New | 1.09% | +1.09 |
| NOW ServiceNow Inc. | New | 1.03% | +1.03 |
| DXCM Dexcom Inc. | Add +12.6% | 2.50% | +0.53 |
| ROP Roper Technologies Inc. | New | 0.39% | +0.39 |
| RMNI Rimini Street Inc. | Add +3.2% | 10.30% | +0.39 |
| EXTR Extreme Networks Inc. | Add +0.3% | 2.66% | +0.20 |
| CLBT Cellebrite Di Ltd. | New | 0.20% | +0.20 |
| RKT Rocket Cos Inc. Class A | Add +6.4% | 1.75% | −0.12 |
| PAR Par Technology Corp. | Add +121.5% | 9.11% | −0.28 |
| QCOM Qualcomm Inc. | Add +0.8% | 5.37% | −0.57 |
All Filings
| Quarter | Positions | 13F Reported Value | Top Holdings |
|---|---|---|---|
| Q2 2026 | 44 | $153.2M | IBKR, RMNI, PAR, PPLI, BFH |
| Q1 2026 | 44 | $126.1M | IBKR, RMNI, PPLI, PAR, BRK.B |
| Q4 2025 | 41 | $150.3M | IBKR, RMNI, PAR, PPLI, BFH |
| Q3 2025 | 42 | $157.4M | IBKR, RMNI, PAR, BRK.B, THRY |
| Q2 2025 | 41 | $152.9M | IBKR, PAR, RMNI, BRK.B, PPLI |
| Q1 2025 | 24 | $133.3M | IBKR, PAR, RMNI, IACVV, BRK.B |
| Q4 2024 | 22 | $134.8M | PAR, IBKR, RMNI, FISV, BFH |
| Q3 2024 | 25 | $123.1M | IBKR, PAR, BRK.B, PPLI, FISV |
| Q2 2024 | 23 | $116.9M | IBKR, PAR, RMNI, BRK.B, QCOM |
| Q1 2024 | 24 | $129.7M | IBKR, PAR, BRK.B, PPLI, THRY |