Vault-13

SAREPTA THERAPEUTICS INC SRPT

COM · Common Stock · CUSIP 803607100 · ISIN US8036071004

Biopharmaceutical company

376 institutional holders
84,191,82484.2m shares reported held*
95.9% of all shares outstanding*
$9.3bnreported value*

* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($37.7m this quarter). Holder counts are more reliable. Shares outstanding: 87.8m as of 2022-10-28, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $110.54. Options: 28 managers hold calls ($269.5m notional), 22 hold puts ($160.2m).

Biggest calls

SUSQUEHANNA INTERNATIONAL GROUP, LLP — $37.3m337.8k shares
CITADEL ADVISORS LLC — $37.0m334.8k shares
GROUP ONE TRADING LLC — $32.7m296.2k shares
PURA VIDA INVESTMENTS, LLC — $22.1m200.0k shares
JANE STREET GROUP, LLC — $21.0m189.9k shares
Caption Management, LLC — $19.6m177.4k shares
PEAK6 Investments LLC — $18.7m169.4k shares
SIMPLEX TRADING, LLC — $9.7m88.1k shares
Ikarian Capital, LLC — $9.4m85.2k shares
Jefferies Group LLC — $7.2m65.5k shares

Biggest puts

Balyasny Asset Management L.P. — $42.0m379.6k shares
Caption Management, LLC — $26.3m238.2k shares
WOLVERINE ASSET MANAGEMENT LLC — $12.9m116.8k shares
Jefferies Group LLC — $12.7m115.0k shares
CAAS CAPITAL MANAGEMENT LP — $10.2m92.0k shares
Walleye Trading LLC — $9.5m85.6k shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP — $9.4m84.6k shares
CITADEL ADVISORS LLC — $9.0m81.6k shares
GROUP ONE TRADING LLC — $8.1m73.5k shares
JANE STREET GROUP, LLC — $5.3m48.3k shares

Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.

Major shareholders (over 5%)

Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.

HolderStakeChangeShares Last filed
BlackRock, Inc. 13G · institution +3.2 pts · filed 2026-07-30 15.8% +3.2 pts 16.6m≈ $299.1m 2026-07-30
STATE STREET CORP 13G · institution +3.0 pts · filed 2026-08-07 8.4% +3.0 pts 8.9m≈ $160.2m 2026-08-07
VANGUARD PORTFOLIO MANAGEMENT LLC 13G · institution +1.6 pts · filed 2026-07-31 8.1% +1.6 pts 8.5m≈ $152.7m 2026-07-31
VANGUARD CAPITAL MANAGEMENT LLC 13G · institution new · filed 2026-04-30 5.1% new 5.4m≈ $96.5m 2026-04-30
AQR CAPITAL MANAGEMENT LLC 13G · institution -2.7 pts · filed 2026-08-13 5.0% -2.7 pts 5.3m≈ $95.8m 2026-08-13

Fell to 5% or below in the last year: VANGUARD GROUP INC (0.0%, 2026-03-27; now reported by VANGUARD PORTFOLIO MANAGEMENT LLC), D. E. SHAW & CO, L.P. (1.9%, 2025-11-14)

Insider purchases and sales in Q3 2022

Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.

Officers and directors buying vs selling

Number of people, by quarter (10% owners not included)

BuyingSelling
202Q4 20: 0 buyingQ4 20: 0 sellingQ1 21: 0 buyingQ1 21: 0 sellingQ1 21Q2 21: 0 buyingQ2 21: 0 sellingQ3 21: 0 buyingQ3 21: 0 sellingQ3 21Q4 21: 2 buyingQ4 21: 0 sellingQ1 22: 0 buyingQ1 22: 0 sellingQ1 22Q2 22: 0 buyingQ2 22: 0 sellingQ3 22: 1 buyingQ3 22: 0 sellingQ3 22
Numbers
QuarterBuyingBoughtSellingSoldSold under a plan
Q4 20200—0——
Q1 20210—0——
Q2 20210—0——
Q3 20210—0——
Q4 20212$2.3m0——
Q1 20220—0——
Q2 20220—0——
Q3 20221$11.0m0——
DateInsiderTradeSharesPrice ValueTheir holding
2022-09-14 Chambers Michael Andrew Director Bought 57,100 $104.43 $6.0m57.1k shares +112%
2022-08-19 Chambers Michael Andrew Director Bought 46,170 $108.28 $5.0m46.2k shares +941%

Their holding: how much the trade added to or took from the insider's holding (direct, or the trust or fund named). The same trade is sometimes reported by more than one insider, such as a fund and the director who represents it; totals count it once. A value is left blank where the reported price is far from the market price (usually a typo).

Holders, Q3 2022

#ManagerLocationShares Value% of their portfolioChangeShares change
1 JANUS HENDERSON GROUP PLC 0.54% of their portfolio LONDON, X0 12,955,97813.0m $1.4bn $1.4bn 0.54% —
2 VANGUARD GROUP INC 0.03% of their portfolio Valley Forge, PA 8,085,5178.1m $893.8m $893.8m 0.03% —
3 BlackRock Inc. 0.02% of their portfolio New York, NY 5,337,3045.3m $590.0m $590.0m 0.02% —
4 Avoro Capital Advisors LLC 6.48% of their portfolio NEW YORK, NY 3,175,0003.2m $351.0m $351.0m 6.48% —
5 EcoR1 Capital, LLC 9.79% of their portfolio San Francisco, CA 2,999,4533.0m $331.6m $331.6m 9.79% —
6 WELLINGTON MANAGEMENT GROUP LLP 0.06% of their portfolio Boston, MA 2,558,8692.6m $282.9m $282.9m 0.06% —
7 FMR LLC 0.03% of their portfolio BOSTON, MA 2,549,8282.5m $281.9m $281.9m 0.03% —
8 SANDS CAPITAL MANAGEMENT, LLC 1.03% of their portfolio ARLINGTON, VA 2,482,3752.5m $274.4m $274.4m 1.03% —
9 STATE STREET CORP 0.01% of their portfolio BOSTON, MA 1,934,9831.9m $213.9m $213.9m 0.01% —
10 Bank of New York Mellon Corp 0.05% of their portfolio NEW YORK, NY 1,882,9981.9m $208.1m $208.1m 0.05% —
11 Camber Capital Management LP 5.55% of their portfolio BOSTON, MA 1,500,0001.5m $165.8m $165.8m 5.55% —
12 ALKEON CAPITAL MANAGEMENT LLC 0.94% of their portfolio New York, NY 1,231,3961.2m $136.1m $136.1m 0.94% —
13 Casdin Capital, LLC 8.94% of their portfolio New York, NY 1,225,0001.2m $135.4m $135.4m 8.94% —
14 PRICE T ROWE ASSOCIATES INC /MD/ 0.02% of their portfolio BALTIMORE, MD 1,218,8711.2m $134.7m $134.7m 0.02% —
15 GEODE CAPITAL MANAGEMENT, LLC 0.02% of their portfolio BOSTON, MA 1,154,2981.2m $127.6m $127.6m 0.02% —
16 GOLDMAN SACHS GROUP INC 0.04% of their portfolio NEW YORK, NY 1,136,6931.1m $125.7m $125.7m 0.04% —
17 Assenagon Asset Management S.A. 0.53% of their portfolio SENNINGERBERG, N4 1,129,0161.1m $124.8m $124.8m 0.53% —
18 LORD, ABBETT & CO. LLC 0.43% of their portfolio JERSEY CITY, NJ 1,064,2141.1m $117.6m $117.6m 0.43% —
19 AMERICAN CENTURY COMPANIES INC 0.09% of their portfolio KANSAS CITY, MO 966,697966.7k $106.9m $106.9m 0.09% —
20 Avidity Partners Management LP 2.28% of their portfolio DALLAS, TX 948,200948.2k $104.8m $104.8m 2.28% —
21 ORBIMED ADVISORS LLC 1.89% of their portfolio New York, NY 918,500918.5k $101.5m $101.5m 1.89% —
22 FIRST TRUST ADVISORS LP 0.13% of their portfolio Wheaton, IL 917,242917.2k $101.4m $101.4m 0.13% —
23 ADAGE CAPITAL PARTNERS GP, L.L.C. 0.24% of their portfolio Boston, MA 885,000885.0k $97.8m $97.8m 0.24% —
24 RENAISSANCE TECHNOLOGIES LLC 0.14% of their portfolio NEW YORK, NY 884,178884.2k $97.7m $97.7m 0.14% —
25 Point72 Asset Management, L.P. 0.41% of their portfolio STAMFORD, CT 851,900851.9k $94.2m $94.2m 0.41% —
26 NORGES BANK 0.02% of their portfolio OSLO, Q8 836,318836.3k $92.4m $92.4m 0.02% —
27 TWO SIGMA INVESTMENTS, LP 0.30% of their portfolio NEW YORK, NY 789,712789.7k $87.3m $87.3m 0.30% —
28 AMERIPRISE FINANCIAL INC 0.03% of their portfolio MINNEAPOLIS, MN 775,333775.3k $85.7m $85.7m 0.03% —
29 FEDERATED HERMES, INC. 0.25% of their portfolio PITTSBURGH, PA 774,874774.9k $85.7m $85.7m 0.25% —
30 Bellevue Group AG 1.20% of their portfolio ZURICH, V8 755,898755.9k $83.6m $83.6m 1.20% —
31 FARALLON CAPITAL MANAGEMENT, L.L.C. 0.51% of their portfolio SAN FRANCISCO, CA 754,950755.0k $83.5m $83.5m 0.51% —
32 DEUTSCHE BANK AG\ 0.05% of their portfolio FRANKFURT AM MAIN, 2M 747,135747.1k $82.6m $82.6m 0.05% —
33 JPMORGAN CHASE & CO 0.01% of their portfolio NEW YORK, NY 721,013721.0k $79.7m $79.7m 0.01% —
34 MILLENNIUM MANAGEMENT LLC 0.10% of their portfolio NEW YORK, NY 712,738712.7k $78.8m $78.8m 0.10% —
35 Thrivent Financial for Lutherans 0.21% of their portfolio Minneapolis, MN 699,483699.5k $77.3m $77.3m 0.21% —
36 Erste Asset Management GmbH 1.66% of their portfolio VIENNA, C4 671,860671.9k $74.2m $74.2m 1.66% —
37 PICTET ASSET MANAGEMENT SA 0.11% of their portfolio GENEVA 73, V8 667,044667.0k $73.7m $73.7m 0.11% —
38 D. E. Shaw & Co., Inc. 0.12% of their portfolio New York, NY 632,861632.9k $70.0m $70.0m 0.12% —
39 WESTFIELD CAPITAL MANAGEMENT CO LP 0.52% of their portfolio BOSTON, MA 594,816594.8k $65.8m $65.8m 0.52% —
40 TWO SIGMA ADVISERS, LP 0.17% of their portfolio NEW YORK, NY 534,434534.4k $59.1m $59.1m 0.17% —
41 JACOBS LEVY EQUITY MANAGEMENT, INC 0.44% of their portfolio FLORHAM PARK, NJ 502,193502.2k $55.5m $55.5m 0.44% —
42 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.02% of their portfolio SAN FRANCISCO, CA 494,640494.6k $54.7m $54.7m 0.02% —
43 Rock Springs Capital Management LP 1.23% of their portfolio Baltimore, MD 430,000430.0k $47.5m $47.5m 1.23% —
44 MORGAN STANLEY 0.01% of their portfolio NEW YORK, NY 396,267396.3k $43.8m $43.8m 0.01% —
45 NORTHERN TRUST CORP 0.01% of their portfolio CHICAGO, IL 385,553385.6k $42.6m $42.6m 0.01% —
46 BANK OF AMERICA CORP /DE/ 0.01% of their portfolio CHARLOTTE, NC 384,981385.0k $42.6m $42.6m 0.01% —
47 Balyasny Asset Management L.P. 0.16% of their portfolio Chicago, IL 368,915368.9k $40.8m $40.8m 0.16% —
48 Logos Global Management LP 4.77% of their portfolio San Francisco, CA 350,000350.0k $38.7m $38.7m 4.77% —
49 Nuveen Asset Management, LLC 0.01% of their portfolio CHICAGO, IL 326,869326.9k $36.1m $36.1m 0.01% —
50 CREDIT SUISSE AG/ 0.04% of their portfolio ZURICH, V8 287,231287.2k $31.8m $31.8m 0.04% —
51 FRONTIER CAPITAL MANAGEMENT CO LLC 0.37% of their portfolio Boston, MA 283,950283.9k $31.4m $31.4m 0.37% —
52 Allspring Global Investments Holdings, LLC 0.05% of their portfolio CHARLOTTE, NC 264,674264.7k $29.3m $29.3m 0.05% —
53 PERCEPTIVE ADVISORS LLC 0.81% of their portfolio NEW YORK, NY 253,000253.0k $28.0m $28.0m 0.81% —
54 Cubist Systematic Strategies, LLC 0.17% of their portfolio STAMFORD, CT 201,897201.9k $22.3m $22.3m 0.17% —
55 Boxer Capital, LLC 1.24% of their portfolio San Diego, CA 200,000200.0k $22.1m $22.1m 1.24% —
56 Cormorant Asset Management, LP 1.56% of their portfolio BOSTON, MA 200,000200.0k $22.1m $22.1m 1.56% —
57 Swiss National Bank 0.02% of their portfolio ZURICH, V8 197,100197.1k $21.8m $21.8m 0.02% —
58 VICTORY CAPITAL MANAGEMENT INC 0.03% of their portfolio San Antonio, TX 196,454196.5k $21.7m $21.7m 0.03% —
59 AXA S.A. 0.04% of their portfolio PARIS, I0 196,210196.2k $21.7m $21.7m 0.04% —
60 California Public Employees Retirement System 0.02% of their portfolio Sacramento, CA 191,264191.3k $21.1m $21.1m 0.02% —
61 DIMENSIONAL FUND ADVISORS LP 0.01% of their portfolio AUSTIN, TX 189,086189.1k $20.9m $20.9m 0.01% —
62 MOORE CAPITAL MANAGEMENT, LP 0.55% of their portfolio NEW YORK, NY 180,060180.1k $19.9m $19.9m 0.55% —
63 Invesco Ltd. 0.01% of their portfolio ATLANTA, GA 173,750173.8k $19.2m $19.2m 0.01% —
64 Hudson Bay Capital Management LP 0.20% of their portfolio STAMFORD, CT 170,000170.0k $18.8m $18.8m 0.20% —
65 Tekla Capital Management LLC 0.75% of their portfolio Boston, MA 165,959166.0k $18.3m $18.3m 0.75% —
66 Connor, Clark & Lunn Investment Management Ltd. 0.11% of their portfolio VANCOUVER, A1 157,731157.7k $17.4m $17.4m 0.11% —
67 Iron Triangle Partners LP 2.90% of their portfolio Cos Cob, CT 150,000150.0k $16.6m $16.6m 2.90% —
68 Russell Investments Group, Ltd. 0.04% of their portfolio Seattle, WA 145,741145.7k $16.1m $16.1m 0.04% —
69 Squarepoint Ops LLC 0.14% of their portfolio NEW YORK, NY 142,102142.1k $15.7m $15.7m 0.14% —
70 Sofinnova Investments, Inc. 0.99% of their portfolio Menlo Park, CA 141,440141.4k $15.6m $15.6m 0.99% —
71 ALLIANCEBERNSTEIN L.P. 0.01% of their portfolio NASHVILLE, TN 139,609139.6k $15.4m $15.4m 0.01% —
72 NATIXIS 0.07% of their portfolio PARIS, I0 137,550137.6k $15.2m $15.2m 0.07% —
73 Ensign Peak Advisors, Inc 0.04% of their portfolio SALT LAKE CITY, UT 130,610130.6k $14.4m $14.4m 0.04% —
74 CIBC Asset Management Inc 0.06% of their portfolio TORONTO, Z4 126,975127.0k $14.0m $14.0m 0.06% —
75 Mirae Asset Global Investments Co., Ltd. 0.04% of their portfolio SEOUL, M5 125,530125.5k $13.9m $13.9m 0.04% —
76 C WorldWide Group Holding A/S 0.18% of their portfolio COPENHAGEN, G7 120,329120.3k $13.3m $13.3m 0.18% —
77 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.01% of their portfolio NEW YORK, NY 120,067120.1k $13.3m $13.3m 0.01% —
78 WELLS FARGO & COMPANY/MN 0.00% of their portfolio SAN FRANCISCO, CA 114,990115.0k $12.7m $12.7m 0.00% —
79 Ghost Tree Capital, LLC 4.96% of their portfolio NEW YORK, NY 110,000110.0k $12.2m $12.2m 4.96% —
80 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.02% of their portfolio WEST SACRAMENTO, CA 109,465109.5k $12.1m $12.1m 0.02% —
81 PUTNAM INVESTMENTS LLC 0.02% of their portfolio BOSTON, MA 107,325107.3k $11.9m $11.9m 0.02% —
82 CITADEL ADVISORS LLC 0.01% of their portfolio MIAMI, FL 102,122102.1k $11.3m $11.3m 0.01% —
83 PINNACLE ASSOCIATES LTD 0.26% of their portfolio NEW YORK, NY 101,614101.6k $11.2m $11.2m 0.26% —
84 SOROS FUND MANAGEMENT LLC 0.21% of their portfolio NEW YORK, NY 101,500101.5k $11.2m $11.2m 0.21% —
85 SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC 0.19% of their portfolio BALA CYNWYD, PA 99,47799.5k $11.0m $11.0m 0.19% —
86 Bridgewater Associates, LP 0.06% of their portfolio Westport, CT 98,40898.4k $10.9m $10.9m 0.06% —
87 Tri Locum Partners LP 3.01% of their portfolio NEW YORK, NY 95,44595.4k $10.6m $10.6m 3.01% —
88 ROYAL BANK OF CANADA 0.00% of their portfolio TORONTO, A6 94,15794.2k $10.4m $10.4m 0.00% —
89 RHUMBLINE ADVISERS 0.02% of their portfolio BOSTON, MA 93,85393.9k $10.4m $10.4m 0.02% —
90 NEW YORK STATE COMMON RETIREMENT FUND 0.01% of their portfolio ALBANY, NY 90,20090.2k $10.0m $10.0m 0.01% —
91 STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM 0.03% of their portfolio TALLAHASSEE, FL 90,18790.2k $10.0m $10.0m 0.03% —
92 JANE STREET GROUP, LLC 0.02% of their portfolio NEW YORK, NY 88,83788.8k $9.8m $9.8m 0.02% —
93 SEI INVESTMENTS CO 0.02% of their portfolio OAKS, PA 88,57588.6k $9.8m $9.8m 0.02% —
94 HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND 0.05% of their portfolio TORONTO, A6 85,70085.7k $9.5m $9.5m 0.05% —
95 STATE OF WISCONSIN INVESTMENT BOARD 0.03% of their portfolio MADISON, WI 84,50784.5k $9.3m $9.3m 0.03% —
96 Legal & General Group Plc 0.00% of their portfolio London, X0 77,93477.9k $8.6m $8.6m 0.00% —
97 1832 Asset Management L.P. 0.02% of their portfolio TORONTO, A6 75,70075.7k $8.4m $8.4m 0.02% —
98 PEREGRINE CAPITAL MANAGEMENT LLC 0.27% of their portfolio MINNEAPOLIS, MN 74,33974.3k $8.2m $8.2m 0.27% —
99 Man Group plc 0.04% of their portfolio LONDON, X0 71,40071.4k $7.9m $7.9m 0.04% —
100 UBS Group AG 0.00% of their portfolio ZURICH, V8 70,73870.7k $7.8m $7.8m 0.00% —