Security record · archived quarter
OGN
Organon & Co. · Healthcare · Drug Manufacturers - General
15Tracked holders
+2Δ holders
101.45MShares held
$982.02MReported value
+3New positions
−1Exits
Momentum inputs (comparable managers):
holder breadth +15.4% ·
share flow +16.8% ·
net new positions +13.3%
— formula
Broad accumulation — rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2025
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 112 | -5 | 127.57M | $1.69B | +9 | −13 |
| Q1 2026 | 119 | +3 | 138.29M | $828.86M | +8 | −6 |
| Q4 2025 | 116 | 0 | 159.06M | $1.14B | +2 | −1 |
| Q3 2025 | 19 | +2 | 102.90M | $1.10B | +2 | −1 |
| Q2 2025 | 15 | +2 | 101.45M | $982.02M | +3 | −1 |
| Q1 2025 | 10 | -1 | 22.51M | $334.60M | — | −1 |
| Q4 2024 | 11 | -3 | 17.81M | $265.62M | — | −3 |
| Q3 2024 | 13 | +3 | 12.85M | $245.79M | +4 | −1 |
| Q2 2024 | 10 | — | 11.89M | $246.22M | — | — |
Who holds it · Q2 2025
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | The Vanguard Group ✦ (passive) | 32.28M | — | $312.45M | 0.0% | n/c | 1 | SEC ↗ |
| 2 | The Vanguard Group ✦ (passive) | 32.28M | — | $312.45M | 0.0% | n/c | 1 | SEC ↗ |
| 3 | The Vanguard Group ✦ (passive) | 32.28M | — | $312.45M | 0.0% | n/c | 1 | SEC ↗ |
| 4 | The Vanguard Group ✦ (passive) | 32.28M | — | $312.45M | 0.0% | n/c | 1 | SEC ↗ |
| 5 | The Vanguard Group ✦ (passive) | 32.28M | — | $312.45M | 0.0% | n/c | 1 | SEC ↗ |
| 6 | The Vanguard Group ✦ (passive) | 32.28M | — | $312.45M | 0.0% | n/c | 1 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 31.14M | — | $301.46M | 0.0% | n/c | 1 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 31.14M | — | $301.46M | 0.0% | n/c | 1 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 31.14M | — | $301.46M | 0.0% | n/c | 1 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 31.14M | — | $301.46M | 0.0% | n/c | 1 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 31.14M | — | $301.46M | 0.0% | n/c | 1 | SEC ↗ |
| 12 | BlackRock ✦ (passive) | 31.14M | — | $301.46M | 0.0% | n/c | 1 | SEC ↗ |
| 13 | BlackRock ✦ (passive) | 31.14M | — | $301.46M | 0.0% | n/c | 1 | SEC ↗ |
| 14 | BlackRock ✦ (passive) | 31.14M | — | $301.46M | 0.0% | n/c | 1 | SEC ↗ |
| 15 | BlackRock ✦ (passive) | 31.14M | — | $301.46M | 0.0% | n/c | 1 | SEC ↗ |
| 16 | BlackRock ✦ (passive) | 31.14M | — | $301.46M | 0.0% | n/c | 1 | SEC ↗ |
| 17 | BlackRock ✦ (passive) | 31.14M | — | $301.46M | 0.0% | n/c | 1 | SEC ↗ |
| 18 | BlackRock ✦ (passive) | 31.14M | — | $301.46M | 0.0% | n/c | 1 | SEC ↗ |
| 19 | BlackRock ✦ (passive) | 31.14M | — | $301.46M | 0.0% | n/c | 1 | SEC ↗ |
| 20 | BlackRock ✦ (passive) | 31.14M | — | $301.46M | 0.0% | n/c | 1 | SEC ↗ |
| 21 | BlackRock ✦ (passive) | 31.14M | — | $301.46M | 0.0% | n/c | 1 | SEC ↗ |
| 22 | BlackRock ✦ (passive) | 31.14M | — | $301.46M | 0.0% | n/c | 1 | SEC ↗ |
| 23 | State Street Global Advisors ✦ (passive) | 9.52M | +6.0% | $92.16M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 24 | Millennium Management ✦ | 9.09M | +829.7% | $88.00M | 0.1% | ▲ Add | 5 | SEC ↗ |
| 25 | Citadel Advisors ✦ | 5.46M | +36.3% | $52.88M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 26 | Citadel Advisors ✦ | 5.46M | +36.3% | $52.88M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 27 | Geode Capital Management ✦ (passive) | 4.40M | -2.7% | $42.56M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 28 | Geode Capital Management ✦ (passive) | 4.40M | -2.7% | $42.56M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 29 | AQR Capital Management ✦ | 3.25M | +136.1% | $31.51M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 30 | AQR Capital Management ✦ | 3.25M | +136.1% | $31.51M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 31 | AQR Capital Management ✦ | 3.25M | +136.1% | $31.51M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 32 | AQR Capital Management ✦ | 3.25M | +136.1% | $31.51M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 33 | Gotham Asset Management ✦ | 2.71M | +93.2% | $26.19M | 0.2% | ▲ Add | 5 | SEC ↗ |
| 34 | Norges Bank ✦ (passive) | 2.04M | +112.0% | $19.78M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 35 | Fidelity (FMR) ✦ | 924.60K | — | $8.95M | 0.0% | n/c | 1 | SEC ↗ |
| 36 | Fidelity (FMR) ✦ | 924.60K | — | $8.95M | 0.0% | n/c | 1 | SEC ↗ |
| 37 | Fidelity (FMR) ✦ | 924.60K | — | $8.95M | 0.0% | n/c | 1 | SEC ↗ |
| 38 | T. Rowe Price ✦ | 193.99K | +4.0% | $1.88M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 39 | T. Rowe Price ✦ | 193.99K | +4.0% | $1.88M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 40 | Bridgewater Associates ✦ | 188.44K | +175.9% | $1.82M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 41 | Two Sigma Investments ✦ | 156.40K | New | $1.51M | 0.0% | New | 1 | SEC ↗ |
| 42 | Marshall Wace ✦ | 79.18K | New | $766,481 | 0.0% | New | 1 | SEC ↗ |
| 43 | Marshall Wace ✦ | 79.18K | New | $766,481 | 0.0% | New | 1 | SEC ↗ |
| 44 | GAMCO Investors ✦ | 12.30K | New | $119,045 | 0.0% | New | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Two Sigma Investments | $1.51M | 0.0% |
| Marshall Wace | $766,481 | 0.0% |
| Marshall Wace | $766,481 | 0.0% |
| GAMCO Investors | $119,045 | 0.0% |
Exited
| Wellington Management | $464,017 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 604 holders, 199.08M shares, $1.18B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
Frequently co-owned
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Aug 14
SC 13G — Pentwater Capital Management LP
Jul 31
SC 13G/A — VANGUARD PORTFOLIO MANAGEMENT LLC
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q2 2025 ·
Methodology ·
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