Vault-13

SILK RD MED INC SILK

COM · Common Stock · CUSIP 82710M100 · ISIN US82710M1009

199 institutional holders +52 vs Q3 2022
40,936,94540.9m shares reported held*
$2.2bnreported value*
51 new 72 added 45 reduced 7 sold out net bought ≈ $156.5m (+3.0m shares)

* 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 ($5.5m this quarter). Holder counts are more reliable. Implied quarter-end price ≈ $52.86. Options: 7 managers hold calls ($7.7m notional), 3 hold puts ($280.1k).

Trends to Q4 2022

Institutional holders

Managers reporting a position, each quarter

0100200Q3 22: 147Q4 22: 199199Q3 22Q4 22
Numbers
QuarterHolders
Q3 2022147
Q4 2022199

Calls vs puts

Options held, notional value, last 4 quarters. P/C = puts ÷ calls

CallsPuts
$0$5m$10m$15m$20mQ3 22 calls: $16.6mQ3 22 puts: $302.0kQ3 22P/C 0.02Q4 22 calls: $7.7mQ4 22 puts: $280.1kQ4 22P/C 0.04
Numbers
QuarterCallsPutsP/C
Q3 2022$16.6m$302.0k0.02
Q4 2022$7.7m$280.1k0.04

Biggest buyers

LORD, ABBETT & CO. LLC Added +1,486,003+1.5m
MILLENNIUM MANAGEMENT LLC Added +546,016+546.0k
Invesco Ltd. Added +501,029+501.0k
VANGUARD GROUP INC Added +366,822+366.8k
MARSHALL WACE, LLP Added +273,014+273.0k
Ensign Peak Advisors, Inc Added +234,050+234.1k
Allspring Global Investments Holdings, LLC Added +225,689+225.7k
Lisanti Capital Growth, LLC New +218,655+218.7k
Capital World Investors Added +175,100+175.1k
CASTLEARK MANAGEMENT LLC New +158,550+158.6k

Biggest sellers

DEERFIELD MANAGEMENT COMPANY, L.P. Reduced -1,138,729-1.1m
JANUS HENDERSON GROUP PLC Reduced -979,155-979.2k
ALLIANCEBERNSTEIN L.P. Reduced -721,783-721.8k
WASATCH ADVISORS LP Reduced -433,616-433.6k
Balyasny Asset Management L.P. Sold out -157,681-157.7k
AMERICAN CENTURY COMPANIES INC Reduced -99,851-99.9k
BAMCO INC /NY/ Reduced -87,000-87.0k
NEXT CENTURY GROWTH INVESTORS LLC Reduced -54,474-54.5k
KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC Reduced -54,474-54.5k
TimesSquare Capital Management, LLC Reduced -49,670-49.7k

Biggest calls

MILLENNIUM MANAGEMENT LLC New $2.6m50.0k shares
GROUP ONE TRADING LLC Reduced $1.9m36.6k shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP Reduced $1.5m28.0k shares
SYMMETRY PEAK MANAGEMENT LLC New $1.5m27.5k shares
CITADEL ADVISORS LLC Reduced $126.8k2.4k shares
SIMPLEX TRADING, LLC Reduced $31.0k600 shares
CONCOURSE FINANCIAL GROUP SECURITIES, INC. Unchanged $00 shares

Biggest puts

SUSQUEHANNA INTERNATIONAL GROUP, LLP New $237.8k4.5k shares
CITADEL ADVISORS LLC Reduced $42.3k800 shares
CONCOURSE FINANCIAL GROUP SECURITIES, INC. Unchanged $00 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.

Holders, Q4 2022

#ManagerLocationShares Value% of their portfolioChangeShares change
1 VANGUARD GROUP INC 0.01% of their portfolio Valley Forge, PA 3,562,1103.6m $188.3m $188.3m 0.01% Added +366.8k +366,822
2 WASATCH ADVISORS LP 1.09% of their portfolio SALT LAKE CITY, UT 3,063,1413.1m $161.9m $161.9m 1.09% Reduced -433.6k -433,616
3 Capital World Investors 0.03% of their portfolio LOS ANGELES, CA 2,966,7303.0m $156.8m $156.8m 0.03% Added +175.1k +175,100
4 BlackRock Inc. 0.00% of their portfolio New York, NY 2,664,7622.7m $140.8m $140.8m 0.00% Added +149.5k +149,452
5 ALLIANCEBERNSTEIN L.P. 0.06% of their portfolio NASHVILLE, TN 2,616,7952.6m $138.3m $138.3m 0.06% Reduced -721.8k -721,783
6 LORD, ABBETT & CO. LLC 0.18% of their portfolio JERSEY CITY, NJ 1,851,7441.9m $97.9m $97.9m 0.18% Added +1.5m +1,486,003
7 Clearbridge Investments, LLC 0.09% of their portfolio NEW YORK, NY 1,672,5841.7m $88.4m $88.4m 0.09% Added +129.1k +129,132
8 DEERFIELD MANAGEMENT COMPANY, L.P. 1.53% of their portfolio New York, NY 1,396,6401.4m $73.8m $73.8m 1.53% Reduced -1.1m -1,138,729
9 KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC 0.22% of their portfolio LOS ANGELES, CA 1,350,3141.4m $71.4m $71.4m 0.22% Reduced -54.5k -54,474
10 AMERICAN CENTURY COMPANIES INC 0.06% of their portfolio KANSAS CITY, MO 1,347,4891.3m $71.2m $71.2m 0.06% Reduced -99.9k -99,851
11 Bellevue Group AG 0.71% of their portfolio ZURICH, V8 1,012,5231.0m $53.5m $53.5m 0.71% Reduced -34.8k -34,833
12 TimesSquare Capital Management, LLC 0.72% of their portfolio NEW YORK, NY 957,770957.8k $50.6m $50.6m 0.72% Reduced -49.7k -49,670
13 Ensign Peak Advisors, Inc 0.10% of their portfolio SALT LAKE CITY, UT 873,945873.9k $46.2m $46.2m 0.10% Added +234.1k +234,050
14 STATE STREET CORP 0.00% of their portfolio BOSTON, MA 841,246841.2k $44.5m $44.5m 0.00% Added +24.9k +24,852
15 BAMCO INC /NY/ 0.14% of their portfolio NEW YORK, NY 785,281785.3k $41.5m $41.5m 0.14% Reduced -87.0k -87,000
16 GEODE CAPITAL MANAGEMENT, LLC 0.01% of their portfolio BOSTON, MA 691,363691.4k $36.5m $36.5m 0.01% Added +71.3k +71,345
17 NEXT CENTURY GROWTH INVESTORS LLC 4.31% of their portfolio PLYMOUTH, MN 678,966679.0k $35.9m $35.9m 4.31% Reduced -54.5k -54,474
18 JENNISON ASSOCIATES LLC 0.04% of their portfolio NEW YORK, NY 676,123676.1k $35.7m $35.7m 0.04% Reduced -9.9k -9,921
19 BNP PARIBAS ASSET MANAGEMENT Holding S.A. 0.11% of their portfolio Paris, I0 577,732577.7k $30.5m $30.5m 0.11% Added +17.2k +17,169
20 MILLENNIUM MANAGEMENT LLC 0.03% of their portfolio NEW YORK, NY 559,874559.9k $29.6m $29.6m 0.03% Added +546.0k +546,016
21 JANUS HENDERSON GROUP PLC 0.02% of their portfolio LONDON, X0 551,325551.3k $29.1m $29.1m 0.02% Reduced -979.2k -979,155
22 Invesco Ltd. 0.01% of their portfolio ATLANTA, GA 516,777516.8k $27.3m $27.3m 0.01% Added +501.0k +501,029
23 Thrivent Financial for Lutherans 0.06% of their portfolio Minneapolis, MN 420,962421.0k $22.2m $22.2m 0.06% Added +17.8k +17,785
24 BRAIDWELL LP 0.74% of their portfolio STAMFORD, CT 416,817416.8k $22.0m $22.0m 0.74% First filing
25 MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 0.01% of their portfolio Boston, MA 387,311387.3k $20.5m $20.5m 0.01% Added +39.0k +38,971
26 Amundi 0.01% of their portfolio Paris, I0 360,555360.6k $19.3m $19.3m 0.01% Reduced -11.1k -11,066
27 Allspring Global Investments Holdings, LLC 0.03% of their portfolio CHARLOTTE, NC 345,057345.1k $18.2m $18.2m 0.03% Added +225.7k +225,689
28 NORTHERN TRUST CORP 0.00% of their portfolio CHICAGO, IL 343,582343.6k $18.2m $18.2m 0.00% Added +26.7k +26,733
29 MARSHALL WACE, LLP 0.04% of their portfolio LONDON, X0 316,653316.7k $16.7m $16.7m 0.04% Added +273.0k +273,014
30 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 313,616313.6k $16.6m $16.6m 0.00% Added +135.7k +135,652
31 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.01% of their portfolio NEW YORK, NY 295,249295.2k $15.6m $15.6m 0.01% Added +21.6k +21,577
32 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio SAN FRANCISCO, CA 281,529281.5k $14.9m $14.9m 0.00% Added +27.6k +27,629
33 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 276,040276.0k $14.6m $14.6m 0.00% Reduced -6.8k -6,798
34 NOVO HOLDINGS A/S 0.91% of their portfolio HELLERUP, G7 275,511275.5k $14.6m $14.6m 0.91% Unchanged
35 PEREGRINE CAPITAL MANAGEMENT LLC 0.44% of their portfolio MINNEAPOLIS, MN 266,747266.7k $14.1m $14.1m 0.44% Reduced -16.3k -16,283
36 Lisanti Capital Growth, LLC 1.58% of their portfolio NEW YORK, NY 218,655218.7k $11.6m $11.6m 1.58% New
37 Cubist Systematic Strategies, LLC 0.10% of their portfolio STAMFORD, CT 211,429211.4k $11.2m $11.2m 0.10% Added +146.7k +146,692
38 Rhenman & Partners Asset Management AB 1.08% of their portfolio Stockholm, V7 195,871195.9k $10.4m $10.4m 1.08% Added +40.9k +40,871
39 Nuveen Asset Management, LLC 0.00% of their portfolio CHICAGO, IL 174,803174.8k $9.2m $9.2m 0.00% Added +75.9k +75,911
40 CASTLEARK MANAGEMENT LLC 0.44% of their portfolio CHICAGO, IL 158,550158.6k $8.4m $8.4m 0.44% New
41 RENAISSANCE TECHNOLOGIES LLC 0.01% of their portfolio NEW YORK, NY 157,400157.4k $8.3m $8.3m 0.01% New
42 Pier Capital, LLC 1.33% of their portfolio STAMFORD, CT 154,177154.2k $8.1m $8.1m 1.33% New
43 CITADEL ADVISORS LLC 0.01% of their portfolio MIAMI, FL 153,980154.0k $8.1m $8.1m 0.01% Added +145.5k +145,470
44 GOLDMAN SACHS GROUP INC 0.00% of their portfolio NEW YORK, NY 148,289148.3k $7.8m $7.8m 0.00% Added +19.9k +19,858
45 GW&K Investment Management, LLC 0.08% of their portfolio BOSTON, MA 147,661147.7k $7.8m $7.8m 0.08% Added +84.8k +84,781
46 SEGALL BRYANT & HAMILL, LLC 0.08% of their portfolio CHICAGO, IL 141,212141.2k $7.5m $7.5m 0.08% Reduced -48.4k -48,440
47 Bank of New York Mellon Corp 0.00% of their portfolio NEW YORK, NY 130,952131.0k $6.9m $6.9m 0.00% Added +15.3k +15,342
48 ArrowMark Colorado Holdings LLC 0.08% of their portfolio Denver, CO 130,033130.0k $6.9m $6.9m 0.08% Reduced -31.5k -31,547
49 PRINCIPAL FINANCIAL GROUP INC 0.01% of their portfolio DES MOINES, IA 128,433128.4k $6.8m $6.8m 0.01% Added +114.6k +114,561
50 MACQUARIE GROUP LTD 0.01% of their portfolio Sydney, NSW 2000, C3 122,081122.1k $6.5m $6.5m 0.01% Added +51.1k +51,089
51 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 102,799102.8k $5.4m $5.4m 0.00% Reduced -12.3k -12,300
52 NORGES BANK 0.00% of their portfolio OSLO, Q8 97,40097.4k $5.1m $5.1m 0.00% Not comparable
53 SEI INVESTMENTS CO 0.01% of their portfolio OAKS, PA 95,38295.4k $5.0m $5.0m 0.01% Reduced -276 -276
54 Parkman Healthcare Partners LLC 1.31% of their portfolio STAMFORD, CT 93,30593.3k $4.9m $4.9m 1.31% New
55 JANE STREET GROUP, LLC 0.01% of their portfolio NEW YORK, NY 89,62489.6k $4.7m $4.7m 0.01% Added +82.7k +82,733
56 Swiss National Bank 0.00% of their portfolio ZURICH, V8 85,10085.1k $4.5m $4.5m 0.00% Added +1.8k +1,800
57 SECTORAL ASSET MANAGEMENT INC 0.87% of their portfolio MONTREAL, A8 84,58984.6k $4.5m $4.5m 0.87% Reduced -29.4k -29,411
58 STATE OF WISCONSIN INVESTMENT BOARD 0.01% of their portfolio MADISON, WI 80,29380.3k $4.2m $4.2m 0.01% Reduced -2.2k -2,152
59 AMERIPRISE FINANCIAL INC 0.00% of their portfolio MINNEAPOLIS, MN 80,01480.0k $4.2m $4.2m 0.00% Added +52.9k +52,874
60 NEW YORK STATE COMMON RETIREMENT FUND 0.01% of their portfolio ALBANY, NY 75,49175.5k $4.0m $4.0m 0.01% Added +51.0k +50,988
61 TWO SIGMA INVESTMENTS, LP 0.01% of their portfolio NEW YORK, NY 75,03075.0k $4.0m $4.0m 0.01% New
62 M&T Bank Corp 0.02% of their portfolio BUFFALO, NY 72,99573.0k $3.9m $3.9m 0.02% Reduced -1.7k -1,684
63 PRUDENTIAL FINANCIAL INC 0.01% of their portfolio NEWARK, NJ 72,59072.6k $3.8m $3.8m 0.01% Added +27.1k +27,065
64 Bullseye Asset Management LLC 2.05% of their portfolio DENVER, CO 71,65271.7k $3.8m $3.8m 2.05% Unchanged
65 FIRST TRUST ADVISORS LP 0.00% of their portfolio Wheaton, IL 67,25567.3k $3.6m $3.6m 0.00% New
66 MUTUAL OF AMERICA CAPITAL MANAGEMENT LLC 0.04% of their portfolio New York, NY 66,16166.2k $3.5m $3.5m 0.04% Added +10.8k +10,752
67 PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO 0.01% of their portfolio COLUMBUS, OH 55,85255.9k $3.0m $3.0m 0.01% Reduced -19.6k -19,635
68 Qube Research & Technologies Ltd 0.02% of their portfolio LONDON, X0 54,36754.4k $2.9m $2.9m 0.02% New
69 HighTower Advisors, LLC 0.01% of their portfolio CHICAGO, IL 52,42952.4k $2.8m $2.8m 0.01% Added +391 +391
70 BNP PARIBAS FINANCIAL MARKETS 0.01% of their portfolio PARIS, I0 52,07552.1k $2.8m $2.8m 0.01% Added +31.2k +31,204
71 Informed Momentum Co LLC 0.53% of their portfolio SOLANA BEACH, CA 48,55548.6k $2.6m $2.6m 0.53% New
72 RHUMBLINE ADVISERS 0.00% of their portfolio BOSTON, MA 48,20248.2k $2.5m $2.5m 0.00% Added +4.5k +4,530
73 Russell Investments Group, Ltd. 0.01% of their portfolio Seattle, WA 47,89447.9k $2.5m $2.5m 0.01% New
74 Schonfeld Strategic Advisors LLC 0.02% of their portfolio NEW YORK, NY 47,68547.7k $2.5m $2.5m 0.02% New
75 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio WEST SACRAMENTO, CA 45,64545.6k $2.4m $2.4m 0.00% Added +1.8k +1,781
76 State of New Jersey Common Pension Fund D 0.01% of their portfolio TRENTON, NJ 44,71744.7k $2.4m $2.4m 0.01% Reduced -11.5k -11,499
77 Bridgewater Associates, LP 0.01% of their portfolio Westport, CT 43,79643.8k $2.3m $2.3m 0.01% Reduced -10.6k -10,575
78 TUDOR INVESTMENT CORP ET AL 0.06% of their portfolio STAMFORD, CT 42,67742.7k $2.3m $2.3m 0.06% New
79 Granahan Investment Management, LLC 0.07% of their portfolio WALTHAM, MA 41,18441.2k $2.2m $2.2m 0.07% Reduced -13.6k -13,644
80 CREDIT SUISSE AG/ 0.00% of their portfolio ZURICH, V8 40,36140.4k $2.1m $2.1m 0.00% Added +10.0k +10,013
81 PDT Partners, LLC 0.34% of their portfolio New York, NY 39,91739.9k $2.1m $2.1m 0.34% Added +32.1k +32,131
82 EFG Asset Management (North America) Corp. 0.46% of their portfolio Portland, OR 37,96438.0k $2.0m $2.0m 0.46% Reduced -1.3k -1,274
83 Global IMC LLC 0.48% of their portfolio SOLANA BEACH, CA 35,13535.1k $1.9m $1.9m 0.48% New
84 ENVESTNET ASSET MANAGEMENT INC 0.00% of their portfolio Berwyn, PA 34,39634.4k $1.8m $1.8m 0.00% Added +4.4k +4,420
85 RAYMOND JAMES & ASSOCIATES 0.00% of their portfolio ST PETERSBURG, FL 32,43732.4k $1.7m $1.7m 0.00% Added +14.3k +14,332
86 Engineers Gate Manager LP 0.10% of their portfolio NEW YORK, NY 31,97832.0k $1.7m $1.7m 0.10% Added +23.6k +23,607
87 Endurant Capital Management LP 0.64% of their portfolio San Mateo, CA 29,96730.0k $1.6m $1.6m 0.64% New
88 Jump Financial, LLC 0.08% of their portfolio Chicago, IL 28,45328.5k $1.5m $1.5m 0.08% New
89 SIT INVESTMENT ASSOCIATES INC 0.04% of their portfolio Minneapolis, MN 28,35128.4k $1.5m $1.5m 0.04% Unchanged
90 VOYA INVESTMENT MANAGEMENT LLC 0.00% of their portfolio ATLANTA, GA 27,66827.7k $1.5m $1.5m 0.00% Reduced -2.2k -2,158
91 Alberta Investment Management Corp 0.01% of their portfolio EDMONTON, A0 27,14427.1k $1.4m $1.4m 0.01% Added +4.4k +4,380
92 Graham Capital Management, L.P. 0.05% of their portfolio ROWAYTON, CT 26,70926.7k $1.4m $1.4m 0.05% New
93 NOMURA ASSET MANAGEMENT CO LTD 0.01% of their portfolio TOKYO, M0 26,13926.1k $1.4m $1.4m 0.01% Unchanged
94 ExodusPoint Capital Management, LP 0.02% of their portfolio NEW YORK, NY 25,95226.0k $1.4m $1.4m 0.02% New
95 Diametric Capital, LP 0.61% of their portfolio BOSTON, MA 24,13224.1k $1.3m $1.3m 0.61% New
96 Calamos Advisors LLC 0.01% of their portfolio NAPERVILLE, IL 23,83823.8k $1.3m $1.3m 0.01% New
97 TWINBEECH CAPITAL LP 0.02% of their portfolio PURCHASE, NY 23,15123.2k $1.2m $1.2m 0.02% Reduced -3.6k -3,637
98 PRELUDE CAPITAL MANAGEMENT, LLC 0.07% of their portfolio NEW YORK, NY 22,50522.5k $1.2m $1.2m 0.07% Added +12.8k +12,789
99 TOWNSQUARE CAPITAL LLC 0.03% of their portfolio Lehi, UT 20,57320.6k $1.1m $1.1m 0.03% Added +1.1k +1,138
100 DEUTSCHE BANK AG\ 0.00% of their portfolio FRANKFURT AM MAIN, 2M 20,03520.0k $1.1m $1.1m 0.00% Added +3.1k +3,053