LANTHEUS HLDGS INC (LNTH): Ownership & Insider Activity
Hedge funds and institutional managers reporting a position in LNTH · Health Care. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.
Reported Holders
25
13F filers
Aggregate Value
$1.2B
Across holders
Last Price
$100.80
2026-08-24
Sector
Health Care
GICS
Quarterly fund activity15 increased8 reduced1 exited
Full exits: RENAISSANCE TECHNOLOGIES LLC
| Manager⇅ | Type⇅ | Shares⇅ | Market Value▼ | % of Total⇅ | % of Portfolio⇅ | Action⇅ | QoQ Change⇅ | Quarter⇅ |
|---|---|---|---|---|---|---|---|---|
| FARALLON CAPITAL MANAGEMENT LLC CIK 0000909661 | Hedge Fund | 5.58M | $619.4M | 51.6% | 2.9% | Unchanged | +$0 | Q2 2026 |
| CITADEL ADVISORS LLC CIK 0001423053 | Hedge Fund | 1.38M | $152.7M | 12.7% | 0.0% | Added | +$121.1M | Q2 2026 |
| MARSHALL WACE, LLP CIK 0001318757 | Hedge Fund | 774K | $85.9M | 7.1% | 0.1% | Added | +$84.6M | Q2 2026 |
| Point72 Asset Management, L.P. CIK 0001603466 | Hedge Fund | 630K | $69.9M | 5.8% | 0.1% | Reduced | +$69.3M | Q2 2026 |
| Holocene Advisors, LP CIK 0001700574 | Hedge Fund | 547K | $60.7M | 5.1% | 0.1% | Added | — | Q2 2026 |
| MILLENNIUM MANAGEMENT LLC CIK 0001273087 | Hedge Fund | 336K | $37.3M | 3.1% | 0.0% | Added | +$9.0M | Q2 2026 |
| BRIGADE CAPITAL MANAGEMENT, LP CIK 0001421306 | Hedge Fund | 329K | $36.5M | 3.0% | 6.8% | Reduced | +$25.4M | Q2 2026 |
| BALYASNY ASSET MANAGEMENT LLC CIK 0001218710 | Hedge Fund | 278K | $30.8M | 2.6% | 0.0% | Reduced | $-29.0M | Q2 2026 |
| AQR CAPITAL MANAGEMENT LLC CIK 0001167557 | Hedge Fund | 261K | $28.6M | 2.4% | 0.0% | Added | +$28.5M | Q2 2026 |
| ADAGE CAPITAL PARTNERS GP, L.L.C. CIK 0001165408 | Hedge Fund | 247K | $27.4M | 2.3% | 0.0% | Reduced | $-11.1M | Q2 2026 |
Unchanged
Hedge Fund
$619.4M· 51.6% of total· 2.9% port· 5.58M sh· +$0 QoQ· Q2 2026
Added
Hedge Fund
$152.7M· 12.7% of total· 0.0% port· 1.38M sh· +$121.1M QoQ· Q2 2026
Added
Hedge Fund
$85.9M· 7.1% of total· 0.1% port· 774K sh· +$84.6M QoQ· Q2 2026
Reduced
Hedge Fund
$69.9M· 5.8% of total· 0.1% port· 630K sh· +$69.3M QoQ· Q2 2026
Added
Hedge Fund
$60.7M· 5.1% of total· 0.1% port· 547K sh· — QoQ· Q2 2026
Added
Hedge Fund
$37.3M· 3.1% of total· 0.0% port· 336K sh· +$9.0M QoQ· Q2 2026
Reduced
Hedge Fund
$36.5M· 3.0% of total· 6.8% port· 329K sh· +$25.4M QoQ· Q2 2026
Reduced
Hedge Fund
$30.8M· 2.6% of total· 0.0% port· 278K sh· $-29.0M QoQ· Q2 2026
Added
Hedge Fund
$28.6M· 2.4% of total· 0.0% port· 261K sh· +$28.5M QoQ· Q2 2026
Reduced
Hedge Fund
$27.4M· 2.3% of total· 0.0% port· 247K sh· $-11.1M QoQ· Q2 2026
Added
Hedge Fund
$16.6M· 1.4% of total· 0.1% port· 150K sh· — QoQ· Q2 2026
Added
Hedge Fund
$7.3M· 0.6% of total· 0.0% port· 66K sh· +$2.5M QoQ· Q2 2026
Reduced
Hedge Fund
$6.1M· 0.5% of total· 0.0% port· 55K sh· +$164K QoQ· Q2 2026
Unchanged
Hedge Fund
$4.7M· 0.4% of total· 0.0% port· 42K sh· +$0 QoQ· Q2 2026
Reduced
Hedge Fund
$3.0M· 0.3% of total· 0.0% port· 27K sh· $-12.1M QoQ· Q2 2026
Added
Hedge Fund
$3.0M· 0.2% of total· 0.0% port· 27K sh· — QoQ· Q2 2026
Added
Hedge Fund
$2.7M· 0.2% of total· 0.0% port· 24K sh· +$85K QoQ· Q2 2026
Added
Hedge Fund
$2.4M· 0.2% of total· 0.0% port· 22K sh· — QoQ· Q2 2026
Reduced
Hedge Fund
$1.7M· 0.1% of total· 0.0% port· 15K sh· $-5.0M QoQ· Q2 2026
Added
Hedge Fund
$1.6M· 0.1% of total· 0.0% port· 15K sh· — QoQ· Q2 2026
Added
Hedge Fund
$1.1M· 0.1% of total· 0.0% port· 10K sh· — QoQ· Q2 2026
Added
Institutional Manager
$888K· 0.1% of total· 0.0% port· 8K sh· — QoQ· Q2 2026
Added
Hedge Fund
$485K· 0.0% of total· 0.0% port· 4K sh· — QoQ· Q2 2026
Added
Hedge Fund
$377K· 0.0% of total· 0.0% port· 3K sh· — QoQ· Q2 2026
Reduced
Hedge Fund
$296K· 0.0% of total· 0.0% port· 3K sh· $-108K QoQ· Q2 2026
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