SCHEIN HENRY INC (HSIC): Ownership & Insider Activity
Hedge funds and institutional managers reporting a position in HSIC · Health Care. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.
Reported Holders
24
13F filers
Aggregate Value
$482.3M
Across holders
Last Price
$89.51
2026-08-24
Sector
Health Care
GICS
Quarterly fund activity13 increased9 reduced4 exited
| Manager⇅ | Type⇅ | Shares⇅ | Market Value▼ | % of Total⇅ | % of Portfolio⇅ | Action⇅ | QoQ Change⇅ | Quarter⇅ |
|---|---|---|---|---|---|---|---|---|
| CITADEL ADVISORS LLC CIK 0001423053 | Hedge Fund | 2.92M | $244.0M | 50.6% | 0.0% | Added | +$243.1M | Q2 2026 |
| PZENA INVESTMENT MANAGEMENT LLC CIK 0001027796 | Institutional Manager | 861K | $71.9M | 14.9% | 0.2% | Reduced | $-2.2M | Q2 2026 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP CIK 0001164508 | Hedge Fund | 431K | $36.0M | 7.5% | 0.0% | Added | +$22.4M | Q2 2026 |
| GAMCO INVESTORS, INC. ET AL CIK 0000807249 | Institutional Manager | 366K | $30.5M | 6.3% | 0.3% | Added | +$391K | Q2 2026 |
| BALYASNY ASSET MANAGEMENT LLC CIK 0001218710 | Hedge Fund | 232K | $19.4M | 4.0% | 0.0% | Added | — | Q2 2026 |
| Woodline Partners LP CIK 0001784547 | Hedge Fund | 187K | $15.6M | 3.2% | 0.0% | Added | — | Q2 2026 |
| JUPITER ASSET MANAGEMENT LTD CIK 0001215838 | Hedge Fund | 134K | $11.2M | 2.3% | 0.1% | Added | — | Q2 2026 |
| Holocene Advisors, LP CIK 0001700574 | Hedge Fund | 122K | $10.2M | 2.1% | 0.0% | Added | — | Q2 2026 |
| LAKEWOOD CAPITAL MANAGEMENT, LP CIK 0001424381 | Hedge Fund | 97K | $8.1M | 1.7% | 0.4% | Reduced | $-13.8M | Q2 2026 |
| Man Group plc CIK 0001637460 | Hedge Fund | 95K | $8.0M | 1.7% | 0.0% | Reduced | $-761K | Q2 2026 |
Added
Hedge Fund
$244.0M· 50.6% of total· 0.0% port· 2.92M sh· +$243.1M QoQ· Q2 2026
Reduced
Institutional Manager
$71.9M· 14.9% of total· 0.2% port· 861K sh· $-2.2M QoQ· Q2 2026
Added
Hedge Fund
$36.0M· 7.5% of total· 0.0% port· 431K sh· +$22.4M QoQ· Q2 2026
Added
Institutional Manager
$30.5M· 6.3% of total· 0.3% port· 366K sh· +$391K QoQ· Q2 2026
Added
Hedge Fund
$19.4M· 4.0% of total· 0.0% port· 232K sh· — QoQ· Q2 2026
Added
Hedge Fund
$15.6M· 3.2% of total· 0.0% port· 187K sh· — QoQ· Q2 2026
Added
Hedge Fund
$11.2M· 2.3% of total· 0.1% port· 134K sh· — QoQ· Q2 2026
Added
Hedge Fund
$10.2M· 2.1% of total· 0.0% port· 122K sh· — QoQ· Q2 2026
Reduced
Hedge Fund
$8.1M· 1.7% of total· 0.4% port· 97K sh· $-13.8M QoQ· Q2 2026
Reduced
Hedge Fund
$8.0M· 1.7% of total· 0.0% port· 95K sh· $-761K QoQ· Q2 2026
Added
Hedge Fund
$5.4M· 1.1% of total· 0.0% port· 64K sh· — QoQ· Q2 2026
Added
Hedge Fund
$4.9M· 1.0% of total· 0.0% port· 59K sh· +$2.2M QoQ· Q2 2026
Added
Hedge Fund
$3.1M· 0.7% of total· 0.0% port· 38K sh· — QoQ· Q2 2026
Reduced
Hedge Fund
$3.1M· 0.6% of total· 0.0% port· 37K sh· $-40.3M QoQ· Q2 2026
Reduced
Hedge Fund
$2.8M· 0.6% of total· 0.0% port· 33K sh· +$2.6M QoQ· Q2 2026
Reduced
Hedge Fund
$2.0M· 0.4% of total· 0.0% port· 24K sh· $-1.5M QoQ· Q2 2026
Reduced
Hedge Fund
$1.7M· 0.4% of total· 0.0% port· 21K sh· $-4.3M QoQ· Q2 2026
Unchanged
Hedge Fund
$1.4M· 0.3% of total· 0.1% port· 17K sh· +$0 QoQ· Q2 2026
Added
Hedge Fund
$1.1M· 0.2% of total· 0.0% port· 13K sh· +$769K QoQ· Q2 2026
Reduced
Hedge Fund
$806K· 0.2% of total· 0.0% port· 10K sh· $-1.1M QoQ· Q2 2026
Unchanged
Hedge Fund
$415K· 0.1% of total· 0.0% port· 5K sh· $-438K QoQ· Q2 2026
Reduced
Hedge Fund
$321K· 0.1% of total· 0.0% port· 4K sh· $-13.5M QoQ· Q2 2026
Added
Hedge Fund
$299K· 0.1% of total· 0.0% port· 4K sh· — QoQ· Q2 2026
Added
Hedge Fund
$4K· 0.0% of total· 0.0% port· 51 sh· $-280K QoQ· Q2 2026
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