REPLIGEN CORP (RGEN): Institutional Ownership
Hedge funds and institutional managers reporting a position in RGEN · Health Care. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.
Reported Holders
25
13F filers
Aggregate Value
$611.9M
Across holders
Last Price
$147.01
2026-06-26
Sector
Health Care
GICS
Holder activity14 new6 added4 reduced
| Manager⇅ | Type⇅ | Shares⇅ | Market Value▼ | % of Total⇅ | % of Portfolio⇅ | Action⇅ | QoQ Change⇅ | Quarter⇅ |
|---|---|---|---|---|---|---|---|---|
| MAVERICK CAPITAL LTD CIK 0000934639 | Hedge Fund | 1.52M | $178.9M | 29.2% | 2.1% | New | — | Q1 2026 |
| SANDS CAPITAL MANAGEMENT, LLC CIK 0001020066 | Institutional Manager | 1.25M | $155.6M | 25.4% | 0.4% | New | — | Q2 2025 |
| Holocene Advisors, LP CIK 0001700574 | Hedge Fund | 709K | $83.5M | 13.6% | 0.2% | Reduced | $-29.7M | Q1 2026 |
| Walleye Capital LLC CIK 0001758720 | Hedge Fund | 417K | $68.3M | 11.2% | 0.2% | New | — | Q4 2025 |
| PRIMECAP MANAGEMENT CO/CA/ CIK 0000763212 | Institutional Manager | 235K | $27.7M | 4.5% | 0.0% | Added | +$5.7M | Q1 2026 |
| MOORE CAPITAL MANAGEMENT, LP CIK 0001448574 | Hedge Fund | 150K | $24.6M | 4.0% | 0.4% | New | — | Q4 2025 |
| BALYASNY ASSET MANAGEMENT LLC CIK 0001218710 | Hedge Fund | 125K | $14.8M | 2.4% | 0.0% | Added | +$1.2M | Q1 2026 |
| RENAISSANCE TECHNOLOGIES LLC CIK 0001037389 | Hedge Fund | 109K | $14.6M | 2.4% | 0.0% | Added | +$5.8M | Q3 2025 |
| Hudson Bay Capital Management LP CIK 0001393825 | Hedge Fund | 93K | $10.9M | 1.8% | 0.0% | Added | +$8.5M | Q1 2026 |
| STEADFAST CAPITAL MANAGEMENT LP CIK 0001214822 | Hedge Fund | 45K | $7.4M | 1.2% | 0.1% | New | — | Q4 2025 |
| ExodusPoint Capital Management, LP CIK 0001736225 | Hedge Fund | 40K | $4.7M | 0.8% | 0.0% | New | — | Q1 2026 |
| Eisler Capital (UK) Ltd. CIK 0001849486 | Hedge Fund | 21K | $3.8M | 0.6% | 0.0% | New | — | Q1 2024 |
| Gotham Asset Management, LLC CIK 0001510387 | Hedge Fund | 29K | $3.4M | 0.6% | 0.0% | Reduced | $-2.6M | Q1 2026 |
| CITADEL ADVISORS LLC CIK 0001423053 | Hedge Fund | 23K | $2.7M | 0.4% | 0.0% | Added | +$1.3M | Q1 2026 |
| Schonfeld Strategic Advisors LLC CIK 0001665241 | Hedge Fund | 16K | $2.2M | 0.4% | 0.0% | New | — | Q3 2025 |
| Brevan Howard Capital Management LP CIK 0001512857 | Hedge Fund | 11K | $1.9M | 0.3% | 0.0% | New | — | Q4 2025 |
| Verition Fund Management LLC CIK 0001454027 | Hedge Fund | 13K | $1.8M | 0.3% | 0.0% | New | — | Q3 2025 |
| TWO SIGMA INVESTMENTS, LP CIK 0001179392 | Hedge Fund | 8K | $1.4M | 0.2% | 0.0% | Reduced | $-14.2M | Q4 2025 |
| Man Group plc CIK 0001637460 | Hedge Fund | 11K | $1.3M | 0.2% | 0.0% | New | — | Q1 2026 |
| Bridgewater Associates, LP CIK 0001350694 | Hedge Fund | 8K | $1.3M | 0.2% | 0.0% | Reduced | $-4.2M | Q4 2025 |
New
Hedge Fund
$178.9M· 29.2% of total· 2.1% port· 1.52M sh· — QoQ· Q1 2026
New
Institutional Manager
$155.6M· 25.4% of total· 0.4% port· 1.25M sh· — QoQ· Q2 2025
Reduced
Hedge Fund
$83.5M· 13.6% of total· 0.2% port· 709K sh· $-29.7M QoQ· Q1 2026
New
Hedge Fund
$68.3M· 11.2% of total· 0.2% port· 417K sh· — QoQ· Q4 2025
Added
Institutional Manager
$27.7M· 4.5% of total· 0.0% port· 235K sh· +$5.7M QoQ· Q1 2026
New
Hedge Fund
$24.6M· 4.0% of total· 0.4% port· 150K sh· — QoQ· Q4 2025
Added
Hedge Fund
$14.8M· 2.4% of total· 0.0% port· 125K sh· +$1.2M QoQ· Q1 2026
Added
Hedge Fund
$14.6M· 2.4% of total· 0.0% port· 109K sh· +$5.8M QoQ· Q3 2025
Added
Hedge Fund
$10.9M· 1.8% of total· 0.0% port· 93K sh· +$8.5M QoQ· Q1 2026
New
Hedge Fund
$7.4M· 1.2% of total· 0.1% port· 45K sh· — QoQ· Q4 2025
New
Hedge Fund
$4.7M· 0.8% of total· 0.0% port· 40K sh· — QoQ· Q1 2026
New
Hedge Fund
$3.8M· 0.6% of total· 0.0% port· 21K sh· — QoQ· Q1 2024
Reduced
Hedge Fund
$3.4M· 0.6% of total· 0.0% port· 29K sh· $-2.6M QoQ· Q1 2026
Added
Hedge Fund
$2.7M· 0.4% of total· 0.0% port· 23K sh· +$1.3M QoQ· Q1 2026
New
Hedge Fund
$2.2M· 0.4% of total· 0.0% port· 16K sh· — QoQ· Q3 2025
New
Hedge Fund
$1.9M· 0.3% of total· 0.0% port· 11K sh· — QoQ· Q4 2025
New
Hedge Fund
$1.8M· 0.3% of total· 0.0% port· 13K sh· — QoQ· Q3 2025
Reduced
Hedge Fund
$1.4M· 0.2% of total· 0.0% port· 8K sh· $-14.2M QoQ· Q4 2025
New
Hedge Fund
$1.3M· 0.2% of total· 0.0% port· 11K sh· — QoQ· Q1 2026
Reduced
Hedge Fund
$1.3M· 0.2% of total· 0.0% port· 8K sh· $-4.2M QoQ· Q4 2025
New
Hedge Fund
$668K· 0.1% of total· 0.0% port· 5K sh· — QoQ· Q3 2025
New
Hedge Fund
$213K· 0.0% of total· 0.0% port· 1K sh· — QoQ· Q4 2025
New
Hedge Fund
$141K· 0.0% of total· 0.0% port· 858 sh· — QoQ· Q4 2025
Added
Hedge Fund
$11K· 0.0% of total· 0.0% port· 97 sh· +$8K QoQ· Q1 2026
Unchanged
Hedge Fund
$1K· 0.0% of total· 0.0% port· 12 sh· +$0 QoQ· Q1 2026
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