Ranked by reported Q2 2026 13F market value
Share of total reported institutional value in APXT held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | ADAGE CAPITAL PARTNERS GP, L.L.C. | 2.3M | $22.6M | 0.0% | 1.205% | 0.03% |
| 2 | HIGHBRIDGE CAPITAL MANAGEMENT LLC | 1.8M | $18.1M | — | 0.966% | 0.44% |
| 3 | Hudson Bay Capital Management LP | 1.5M | $15.1M | 0.0% | 0.804% | 0.04% |
| 4 | WOLVERINE ASSET MANAGEMENT LLC | 1.4M | $14.3M | +44.6% | 0.764% | 0.13% |
| 5 | Karpus Management, Inc. | 1.3M | $12.6M | +7.7% | 0.671% | 0.36% |
| 6 | Alberta Investment Management Corp | 1.1M | $11.1M | — | 0.589% | 0.06% |
| 7 | D. E. Shaw & Co., Inc. | 1.0M | $10.4M | 0.0% | 0.554% | 0.00% |
| 8 | Westchester Capital Management, LLC | 1.0M | $10.1M | 0.0% | 0.536% | 0.49% |
| 9 | Lineage Point Capital LP | 959K | $9.6M | 0.0% | 0.514% | 1.98% |
| 10 | LINDEN ADVISORS LP | 850K | $8.5M | 0.0% | 0.455% | 0.04% |
| 11 | TENOR CAPITAL MANAGEMENT Co., L.P. | 850K | $8.5M | 0.0% | 0.455% | 0.12% |
| 12 | Magnetar Financial LLC | 850K | $8.5M | 0.0% | 0.455% | 0.08% |
| 13 | HighTower Advisors, LLC | 813K | $8.2M | -15.0% | 0.436% | 0.01% |
| 14 | AQR Arbitrage LLC | 793K | $8.0M | +1.8% | 0.425% | 0.11% |
| 15 | Polar Asset Management Partners Inc. | 750K | $7.5M | 0.0% | 0.402% | 0.12% |
| 16 | Verition Fund Management LLC | 690K | $6.9M | 0.0% | 0.370% | 0.02% |
| 17 | Radcliffe Capital Management, L.P. | 675K | $6.8M | 0.0% | 0.362% | 0.52% |
| 18 | First Trust Capital Management L.P. | 655K | $6.6M | 0.0% | 0.351% | 0.38% |
| 19 | Crossingbridge Advisors, LLC | 625K | $6.3M | +31.6% | 0.335% | 1.11% |
| 20 | MILLENNIUM MANAGEMENT LLC | 616K | $6.2M | +2.5% | 0.330% | 0.00% |
| 21 | Harraden Circle Investments, LLC | 600K | $6.0M | — | 0.321% | 0.77% |
| 22 | ARISTEIA CAPITAL, L.L.C. | 550K | $5.5M | 0.0% | 0.295% | 0.07% |
| 23 | TWO SIGMA INVESTMENTS, LP | 544K | $5.5M | 0.0% | 0.291% | 0.00% |
| 24 | METEORA CAPITAL, LLC | 536K | $5.4M | -80.1% | 0.287% | 0.45% |
| 25 | PICTON MAHONEY ASSET MANAGEMENT | 500K | $5.0M | 0.0% | 0.268% | 0.04% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in APXT — a direct measure of their conviction.
Filings activity in APXT during Q2 2026, grouped by how each filer changed its position.
8 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q2 2026 | 62 | +15% | 16.38% | +0.65 pp | $292M | +5.1% |
| Q1 2026 | 54 | +17% | 15.73% | +1.63 pp | $277M | +12% |
| Q4 2025 | 46 | +44% | 14.10% | +10.95 pp | $247M | +245% |
| Q2 2021 | 32 | 14% | 3.15% | +0.82 pp | $72M | +50% |
| Q1 2021 | 37 | 29% | 2.33% | 1.12 pp | $48M | 50% |
| Q4 2020 | 52 | 17% | 3.45% | 9.74 pp | $95M | 63% |
| Q3 2020 | 63 | +34% | 13.19% | +1.25 pp | $261M | +14% |
| Q2 2020 | 47 | — | 11.94% | — | $229M | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying APXT stock.
Based on Q2 2026 13F filings, institutional ownership of Apex Treasury Corporation Class A stands at 16.4%, held across 62 reporting institutions.
ADAGE CAPITAL PARTNERS GP, L.L.C. is the largest reported institutional holder of APXT, with approximately 2,250,000 shares worth $0.02B as of Q2 2026.
Yes — 2 widely-followed marquee investors appear among the top 25 institutional holders of APXT, including MILLENNIUM MANAGEMENT LLC, TWO SIGMA INVESTMENTS, LP.
Our composite Smart Money Score for APXT is 71 out of 100 (Bullish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
9 institutions opened new positions in APXT during Q2 2026, while 2 fully exited. 44 added to existing positions and 8 trimmed.
APXT institutional ownership rose by 0.65 percentage points quarter-over-quarter, with a net change of +8 holders.
The top 10 institutions account for 45.4% of all reported 13F value in APXT, and the top 25 account for 80.1%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
Apex Treasury Corporation Class A (APXT) Institutional Ownership