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Security record · archived quarter

RGEN

Repligen Corporation · Healthcare · Medical - Instruments & Supplies

180.30 -0.8% mkt cap $10.18B quote delayed (FMP) · as of Aug 26 20:08 UTC — separate from filing data below

Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024
12Tracked holders
0Δ holders
12.86MShares held
$1.85BReported value
+1New positions
−1Exits
Rising Conviction score 53/100 2 quarters of rising tracked shares ●●○○○○ How these are computed → Explain this at the Research Desk →

Momentum inputs (comparable managers): holder breadth 0.0% · share flow +17.1% · net new positions 0.0%formula

All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q4 2024

Ownership over time
QuarterHoldersΔSharesReported valueNewExits
Q2 2026 126 +8 40.16M $5.47B +16 −7
Q1 2026 120 -2 41.26M $4.90B +8 −11
Q4 2025 122 -3 43.70M $7.16B +1 −3
Q3 2025 21 +2 26.22M $3.51B +3 −2
Q2 2025 17 +1 26.68M $3.32B +2 −1
Q1 2025 13 +1 13.27M $1.69B +1
Q4 2024 12 0 12.86M $1.85B +1 −1
Q3 2024 11 -3 9.29M $1.38B −3
Q2 2024 14 8.37M $1.05B
Holder count
Who holds it · Q4 2024
#ManagerSharesΔ sharesValueTheir weightHeld
1 T. Rowe Price 7.14M +11.6% $1.03B 0.1% ▲ Add 3 SEC ↗
2 T. Rowe Price 7.14M +11.6% $1.03B 0.1% ▲ Add 3 SEC ↗
3 State Street Global Advisors (passive) 1.69M $243.43M 0.0% n/c 1 SEC ↗
4 Citadel Advisors 1.18M +128.7% $169.78M 0.2% ▲ Add 3 SEC ↗
5 Citadel Advisors 1.18M +128.7% $169.78M 0.2% ▲ Add 3 SEC ↗
6 Geode Capital Management (passive) 944.08K +0.2% $135.93M 0.0% ▲ Add 3 SEC ↗
7 Geode Capital Management (passive) 944.08K +0.2% $135.93M 0.0% ▲ Add 3 SEC ↗
8 Point72 Asset Management 918.62K +183.2% $132.23M 0.4% ▲ Add 3 SEC ↗
9 Marshall Wace 412.24K +73.8% $59.34M 0.1% ▲ Add 3 SEC ↗
10 Marshall Wace 412.24K +73.8% $59.34M 0.1% ▲ Add 3 SEC ↗
11 Marshall Wace 412.24K +73.8% $59.34M 0.1% ▲ Add 3 SEC ↗
12 Two Sigma Investments 359.04K -17.7% $51.68M 0.1% ▼ Trim 3 SEC ↗
13 Norges Bank (passive) 166.97K +18.9% $24.03M 0.0% ▲ Add 3 SEC ↗
14 PRIMECAP Management 30.86K -43.6% $4.44M 0.0% ▼ Trim 3 SEC ↗
15 Millennium Management 9.33K -92.2% $1.34M 0.0% ▼ Trim 3 SEC ↗
16 Gotham Asset Management 6.70K -78.5% $964,686 0.0% ▼ Trim 3 SEC ↗
17 D. E. Shaw & Co. 5.06K New $728,192 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

D. E. Shaw & Co. $728,192 0.0%

Exited

Adage Capital Partners $14.88M was 0.0%

Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 436 holders, 65.14M shares, $6.86B 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.

Insider transactions

Open-market purchases (P)

No open-market insider purchases in our coverage window.

Open-market sales (S)

Aug 20 Loeillot Olivier

Officer, Director · 5.43K sh · $976,680

Awards, exercises and tax withholding are never counted as buys or sales here. Methodology

Beneficial ownership
Aug 14 SC 13G/A — PRICE T ROWE ASSOCIATES INC /MD/

View original SEC filing ↗

Jul 31 SC 13G — VANGUARD CAPITAL MANAGEMENT LLC

View original SEC filing ↗

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: Q4 2024 · Methodology · Get this via the API