UPB
Upstream Bio, Inc. · Healthcare · Biotechnology
Momentum-inputs (vergelijkbare managers):
breedte van houders -9.1% ·
aandelenstroom +1.7% ·
netto nieuwe posities -10.0%
— formule
Geconcentreerde accumulatie — stijgende aandelen bij minder houders
Alle eigendomscijfers: uitsluitend gevolgde 13F-managers, posities in gewone aandelen, rapportageperiode Q2 2025
| Kwartaal | Houders | Δ | Aandelen | Gerapporteerde waarde | Nieuw | Uitstappen |
|---|---|---|---|---|---|---|
| Q2 2026 | 66 | +3 | 29.87M | $206.85M | +14 | −10 |
| Q1 2026 | 64 | +3 | 24.32M | $219.33M | +14 | −12 |
| Q4 2025 | 62 | +3 | 27.51M | $746.80M | +4 | — |
| Q3 2025 | 14 | +2 | 17.53M | $329.70M | +2 | −1 |
| Q2 2025 | 10 | -1 | 15.87M | $174.20M | +1 | −2 |
| Q1 2025 | 8 | +1 | 3.40M | $20.78M | +3 | −2 |
| Q4 2024 | 7 | +6 | 3.71M | $60.61M | +6 | — |
| # | Manager | Aandelen | Δ aandelen | Waarde | Hun gewicht | Gehouden | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Fidelity (FMR) ✦ | 7.94M | — | $87.15M | 0.0% | n/c | 1 | SEC ↗ |
| 2 | Fidelity (FMR) ✦ | 7.94M | — | $87.15M | 0.0% | n/c | 1 | SEC ↗ |
| 3 | Fidelity (FMR) ✦ | 7.94M | — | $87.15M | 0.0% | n/c | 1 | SEC ↗ |
| 4 | Fidelity (FMR) ✦ | 7.94M | — | $87.15M | 0.0% | n/c | 1 | SEC ↗ |
| 5 | Fidelity (FMR) ✦ | 7.94M | — | $87.15M | 0.0% | n/c | 1 | SEC ↗ |
| 6 | The Vanguard Group ✦ (passief) | 2.17M | — | $23.84M | 0.0% | n/c | 1 | SEC ↗ |
| 7 | The Vanguard Group ✦ (passief) | 2.17M | — | $23.84M | 0.0% | n/c | 1 | SEC ↗ |
| 8 | The Vanguard Group ✦ (passief) | 2.17M | — | $23.84M | 0.0% | n/c | 1 | SEC ↗ |
| 9 | BlackRock ✦ (passief) | 2.10M | — | $23.02M | 0.0% | n/c | 1 | SEC ↗ |
| 10 | BlackRock ✦ (passief) | 2.10M | — | $23.02M | 0.0% | n/c | 1 | SEC ↗ |
| 11 | BlackRock ✦ (passief) | 2.10M | — | $23.02M | 0.0% | n/c | 1 | SEC ↗ |
| 12 | BlackRock ✦ (passief) | 2.10M | — | $23.02M | 0.0% | n/c | 1 | SEC ↗ |
| 13 | BlackRock ✦ (passief) | 2.10M | — | $23.02M | 0.0% | n/c | 1 | SEC ↗ |
| 14 | BlackRock ✦ (passief) | 2.10M | — | $23.02M | 0.0% | n/c | 1 | SEC ↗ |
| 15 | BlackRock ✦ (passief) | 2.10M | — | $23.02M | 0.0% | n/c | 1 | SEC ↗ |
| 16 | Wellington Management ✦ | 1.23M | -6.7% | $13.45M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 17 | Wellington Management ✦ | 1.23M | -6.7% | $13.45M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 18 | Norges Bank ✦ (passief) | 969.92K | 0.0% | $10.65M | 0.0% | Held | 3 | SEC ↗ |
| 19 | Geode Capital Management ✦ (passief) | 646.63K | +57.5% | $7.10M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 20 | Geode Capital Management ✦ (passief) | 646.63K | +57.5% | $7.10M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 21 | State Street Global Advisors ✦ (passief) | 481.38K | +62.9% | $5.29M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 22 | Marshall Wace ✦ | 290.53K | -4.7% | $3.19M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 23 | AQR Capital Management ✦ | 29.75K | +58.1% | $326,677 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 24 | AQR Capital Management ✦ | 29.75K | +58.1% | $326,677 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 25 | AQR Capital Management ✦ | 29.75K | +58.1% | $326,677 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 26 | AQR Capital Management ✦ | 29.75K | +58.1% | $326,677 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 27 | AQR Capital Management ✦ | 29.75K | +58.1% | $326,677 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 28 | T. Rowe Price ✦ | 17.45K | Nieuw | $192,000 | 0.0% | New | 1 | SEC ↗ |
"Hun gewicht" = het aandeel van de positie in de gerapporteerde 13F-aandelenwaarde van die beheerder — de overtuigingsmaatstaf. ✦ = gecureerde beheerder.
Nieuwe kopers
| T. Rowe Price | $192,000 | 0.0% |
Verlaten
| Millennium Management | $378,192 | was 0.0% |
| Two Sigma Investments | $133,349 | was 0.0% |
Volledige marktcontext: over ALLE 13F-indieners (SEC gestructureerde data, Q1 2026): 140 houders, 44.42M aandelen, $399.81M gerapporteerd. Dit betreft een andere, oudere periode dan de bovenstaande cijfers van het gevolgde universum; beide worden nooit gecombineerd.
Wat de gevolgde houders van dit effect verder het vaakst bezitten — aantallen gedeeld eigendom, geen fundamentele relaties.