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Repligen Corp. 13F holders

Of the 44 funds followed here, 8 reported a position in Repligen Corp. in a 13F for the quarter ended 30 June 2026. The largest: FMR LLC, 3.3 million shares worth $453.9 million, 0.0% of its reported book. New this quarter: Duquesne Family Office, Two Sigma Investments.

FundSharesValueOf its bookChange on the quarterStatusQuarter endedFiling
FMR LLC3,326,690$453.9 million0.0%+439,904added30 June 202613F
Geode Capital Management1,062,476$145.0 million0.0%-1,981trimmed30 June 202613F
Norges Bank575,226$78.5 million0.0%held30 June 202613F
Citadel Advisors427,109$58.3 million0.0%-734,372trimmed30 June 202613F
Point72 Asset Management166,157$22.7 million0.0%-403,317trimmed30 June 202613F
Duquesne Family Office77,400$10.6 million0.2%+77,400new30 June 202613F
Millennium Management27,000$3.7 million0.0%-9,461trimmed30 June 202613F
Two Sigma Investments9,901$1.4 million0.0%+9,901new30 June 202613F
Value is what the fund reported.
Read moreChange is shares against the fund's previous 13F; a fund with one filing read shows no change. 13Fs cover long US positions of managers above $100 million and are filed up to 45 days after the quarter.

Schedule 13D and 13G filed on the name, last twelve months

FiledScheduleWhoHoldingOf the classEvent dateRule or purposeFiling
7 October 202613G/AFmr Llc and 3 others7.4 million13.0%30 September 2026passive, institutional (13d-1(b))EDGAR
14 August 202613G/AT. Rowe Price Associates, Inc. and 1 other1.8 million3.1%30 June 2026passive, institutional (13d-1(b))EDGAR
31 July 202613GVanguard Capital Management and 1 other2.8 million5.0%30 June 2026passive, institutional (13d-1(b))EDGAR
27 March 202613G/AThe Vanguard Group and 1 other00.0%13 March 2026passive, institutional (13d-1(b))EDGAR
17 February 202613G/AT. Rowe Price Associates, Inc. and 1 other4.6 million8.2%31 December 2025passive, institutional (13d-1(b))EDGAR
13 February 202613G/ARoy T. Eddleman Living Trust and 5 others2.7 million4.8%31 December 2025passive, under 20% (13d-1(c))EDGAR
5 February 202613GFmr Llc and 3 others2.9 million5.1%31 December 2025passive, institutional (13d-1(b))EDGAR
A Schedule 13D is filed by anyone who crosses 5% of a class with intent to influence; a 13G by a passive holder.
Read moreAmendments (/A) report a change, including an exit to zero. Holding and percentage are as the filer stated them on the cover page; the purpose is the filer's own words, cut short.

Fails to deliver

Settlement dateShares failedPriceFile
11 September 2026321$164.68SEC
9 September 20262$168.53SEC
4 September 20269$169.61SEC
1 September 202661$180.98SEC
25 August 20261,553$181.62SEC
24 August 202616,628$181.13SEC
21 August 20264,812$180.29SEC
19 August 202633$166.15SEC
17 August 2026492$166.83SEC
13 August 202652$165.70SEC
10 August 202615$163.90SEC
7 August 2026234$159.44SEC
4 August 20266,257$147.06SEC
3 August 20261,376$141.01SEC
Shares that failed to deliver at settlement, per day, from the SEC's half-month files, which arrive about two weeks after the period.
Read moreLargest in the window: 16,628 on 24 August 2026. A fail is an operational fact about settlement, not a position.

Source

Each fund's 13F-HR on EDGAR, linked per row; positions matched to RGEN by CUSIP from the SEC's own fails-to-deliver files; Schedule 13D and 13G from the company's own filing index, each read to confirm the company is the issuer named.

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