Vault-13

SIXTH STREET SPECIALTY LENDI TSLX

COM · Common Stock · CUSIP 83012A109

246 institutional holders +9 vs Q1 2025
49,228,56149.2m shares reported held*
$1.2bnreported value*
28 new 98 added 66 reduced 21 sold out net bought ≈ $35.8m (+1.5m 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. Holder counts are more reliable. Implied quarter-end price ≈ $25.14. Options: 7 managers hold calls ($4.4m notional), 4 hold puts ($1.5m).

Trends to Q2 2025

Institutional holders

Managers reporting a position, each quarter

0100200300Q3 22: 176Q4 22: 196Q1 23: 195Q2 23: 203Q3 23: 207Q4 23: 223Q1 24: 222Q2 24: 225Q3 24: 203Q4 24: 224Q1 25: 237Q2 25: 246246Q3 22Q2 23Q1 24Q4 24Q2 25
Numbers
QuarterHolders
Q3 2022176
Q4 2022196
Q1 2023195
Q2 2023203
Q3 2023207
Q4 2023223
Q1 2024222
Q2 2024225
Q3 2024203
Q4 2024224
Q1 2025237
Q2 2025246

Buyers vs sellers

Managers adding to or starting a position, vs cutting or selling out

Bought or addedCut or sold out
2000200Q3 23: 110 bought or addedQ3 23: 66 cut or sold outQ4 23: 114 bought or addedQ4 23: 77 cut or sold outQ4 23Q1 24: 115 bought or addedQ1 24: 71 cut or sold outQ2 24: 109 bought or addedQ2 24: 83 cut or sold outQ2 24Q3 24: 95 bought or addedQ3 24: 91 cut or sold outQ4 24: 103 bought or addedQ4 24: 75 cut or sold outQ4 24Q1 25: 123 bought or addedQ1 25: 76 cut or sold outQ2 25: 126 bought or addedQ2 25: 87 cut or sold outQ2 25
Numbers
QuarterBought or addedCut or sold out
Q3 202311066
Q4 202311477
Q1 202411571
Q2 202410983
Q3 20249591
Q4 202410375
Q1 202512376
Q2 202512687

Calls vs puts

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

CallsPuts
$0$2m$4m$6mQ3 24 calls: $1.3mQ3 24 puts: $2.4mQ3 24P/C 1.82Q4 24 calls: $740.5kQ4 24 puts: $1.2mQ4 24P/C 1.63Q1 25 calls: $2.0mQ1 25 puts: $3.9mQ1 25P/C 1.98Q2 25 calls: $4.4mQ2 25 puts: $1.5mQ2 25P/C 0.33
Numbers
QuarterCallsPutsP/C
Q3 2024$1.3m$2.4m1.82
Q4 2024$740.5k$1.2m1.63
Q1 2025$2.0m$3.9m1.98
Q2 2025$4.4m$1.5m0.33

Biggest buyers

BANK OF MONTREAL /CAN/ New +324,196+324.2k
UBS Group AG Added +310,286+310.3k
GOLDMAN SACHS GROUP INC Added +267,894+267.9k
Rockefeller Capital Management L.P. Added +221,216+221.2k
Alyeska Investment Group, L.P. New +189,491+189.5k
OMERS ADMINISTRATION Corp New +178,214+178.2k
ROYAL BANK OF CANADA Added +158,713+158.7k
Muzinich & Co., Inc. Added +158,474+158.5k
HRT FINANCIAL LP Added +123,682+123.7k
Allen Investment Management, LLC Added +122,206+122.2k

Biggest sellers

STRS OHIO Reduced -384,516-384.5k
BAILLIE GIFFORD & CO Sold out -373,254-373.3k
MILLENNIUM MANAGEMENT LLC Sold out -173,243-173.2k
Qube Research & Technologies Ltd Reduced -168,294-168.3k
Financial Advocates Investment Management Sold out -140,390-140.4k
LSV ASSET MANAGEMENT Reduced -121,549-121.5k
VAN ECK ASSOCIATES CORP Reduced -84,144-84.1k
FIL Ltd Sold out -78,956-79.0k
Alberta Investment Management Corp Sold out -60,400-60.4k
LGT CAPITAL PARTNERS LTD. Reduced -58,500-58.5k

Biggest calls

SUSQUEHANNA INTERNATIONAL GROUP, LLP Added $2.6m107.3k shares
CITADEL ADVISORS LLC Added $1.1m46.9k shares
JANE STREET GROUP, LLC New $290.5k12.2k shares
GROUP ONE TRADING LLC New $264.3k11.1k shares
SIMPLEX TRADING, LLC Added $221.0k9.3k shares
Tortoise Investment Management, LLC New $150500 shares
CONCOURSE FINANCIAL GROUP SECURITIES, INC. Unchanged $00 shares

Biggest puts

SUSQUEHANNA INTERNATIONAL GROUP, LLP Reduced $1.0m44.0k shares
CITADEL ADVISORS LLC Reduced $411.9k17.3k shares
SIMPLEX TRADING, LLC Unchanged $2.0k100 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.

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
STRS OHIO 13G · institution +1.2 pts · filed 2026-08-14 6.3% +1.2 pts 0 2026-08-14

Insider purchases and sales in Q2 2025

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
202Q3 23: 0 buyingQ3 23: 0 sellingQ4 23: 0 buyingQ4 23: 0 sellingQ4 23Q1 24: 0 buyingQ1 24: 0 sellingQ2 24: 1 buyingQ2 24: 0 sellingQ2 24Q3 24: 2 buyingQ3 24: 0 sellingQ4 24: 1 buyingQ4 24: 0 sellingQ4 24Q1 25: 0 buyingQ1 25: 0 sellingQ2 25: 0 buyingQ2 25: 0 sellingQ2 25
Numbers
QuarterBuyingBoughtSellingSoldSold under a plan
Q3 20230—0——
Q4 20230—0——
Q1 20240—0——
Q2 20241$161.2k0——
Q3 20242$149.8k0——
Q4 20241$20.5k0——
Q1 20250—0——
Q2 20250—0——

None reported in Q2 2025.

Holders, Q2 2025

#ManagerLocationShares Value% of their portfolioChangeShares change
1 STRS OHIO 0.28% of their portfolio COLUMBUS, OH 3,176,6063.2m $75.6m $75.6m 0.28% Reduced -384.5k -384,516
2 Sixth Street Partners Management Company, L.P. 5.13% of their portfolio Dallas, TX 2,714,2262.7m $64.6m $64.6m 5.13% Unchanged
3 Progeny 3, Inc. 3.31% of their portfolio KIRKLAND, WA 2,476,3982.5m $59.0m $59.0m 3.31% Added +23.5k +23,451
4 Sound Income Strategies, LLC 3.29% of their portfolio FT LAUDERDALE, FL 2,406,2962.4m $57.3m $57.3m 3.29% Added +45.2k +45,157
5 Burgundy Asset Management Ltd. 0.55% of their portfolio Toronto, A6 2,378,9682.4m $56.6m $56.6m 0.55% Added +31.9k +31,922
6 VAN ECK ASSOCIATES CORP 0.06% of their portfolio NEW YORK, NY 2,143,7892.1m $51.0m $51.0m 0.06% Reduced -84.1k -84,144
7 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 1,872,7081.9m $44.6m $44.6m 0.00% Added +2.9k +2,869
8 Allen Investment Management, LLC 0.40% of their portfolio NEW YORK, NY 1,557,1261.6m $37.1m $37.1m 0.40% Added +122.2k +122,206
9 ARES MANAGEMENT LLC 1.71% of their portfolio LOS ANGELES, CA 1,402,6891.4m $33.4m $33.4m 1.71% Added +30.0k +30,000
10 WELLS FARGO & COMPANY/MN 0.01% of their portfolio SAN FRANCISCO, CA 1,241,0391.2m $29.5m $29.5m 0.01% Added +37.0k +36,966
11 UBS Group AG 0.01% of their portfolio ZURICH, V8 1,186,0111.2m $28.2m $28.2m 0.01% Added +310.3k +310,286
12 Callodine Capital Management, LP 2.63% of their portfolio BOSTON, MA 1,064,8241.1m $25.4m $25.4m 2.63% Reduced -252 -252
13 LSV ASSET MANAGEMENT 0.06% of their portfolio CHICAGO, IL 1,055,5621.1m $25.1m $25.1m 0.06% Reduced -121.5k -121,549
14 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 942,789942.8k $22.4m $22.4m 0.00% Added +4.6k +4,638
15 RAYMOND JAMES FINANCIAL INC 0.01% of their portfolio ST. PETERSBURG, FL 828,529828.5k $19.7m $19.7m 0.01% Reduced -2.7k -2,732
16 Advisors Capital Management, LLC 0.23% of their portfolio RIDGEWOOD, NJ 718,338718.3k $17.1m $17.1m 0.23% Added +13.7k +13,730
17 BlackRock, Inc. 0.00% of their portfolio New York, NY 696,005696.0k $16.6m $16.6m 0.00% Added +100.3k +100,309
18 TWO SIGMA ADVISERS, LP 0.03% of their portfolio NEW YORK, NY 678,886678.9k $16.2m $16.2m 0.03% Reduced -56.0k -56,000
19 STIFEL FINANCIAL CORP 0.02% of their portfolio ST. LOUIS, MO 663,112663.1k $15.8m $15.8m 0.02% Reduced -27.8k -27,786
20 Legal & General Group Plc 0.00% of their portfolio London, X0 622,774622.8k $14.8m $14.8m 0.00% Added +899 +899
21 SCS Capital Management LLC 0.16% of their portfolio BOSTON, MA 622,522622.5k $14.8m $14.8m 0.16% Added +17.3k +17,290
22 Melia Wealth LLC 7.01% of their portfolio TULSA, OK 614,916614.9k $14.6m $14.6m 7.01% Added +21.2k +21,167
23 LPL Financial LLC 0.00% of their portfolio FORT MILL, SC 609,227609.2k $14.5m $14.5m 0.00% Added +5.7k +5,683
24 Muzinich & Co., Inc. 6.62% of their portfolio NEW YORK, NY 608,616608.6k $14.5m $14.5m 6.62% Added +158.5k +158,474
25 NEUBERGER BERMAN GROUP LLC 0.01% of their portfolio NEW YORK, NY 595,029595.0k $14.2m $14.2m 0.01% Reduced -9.7k -9,691
26 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 575,432575.4k $13.7m $13.7m 0.00% Reduced -53.5k -53,489
27 ENVESTNET ASSET MANAGEMENT INC 0.00% of their portfolio Berwyn, PA 538,400538.4k $12.8m $12.8m 0.00% Added +43.7k +43,701
28 Sumitomo Mitsui Trust Group, Inc. 0.01% of their portfolio CHIYODA-KU, TOKYO, M0 527,107527.1k $12.6m $12.6m 0.01% Added +91.5k +91,500
29 TWO SIGMA INVESTMENTS, LP 0.02% of their portfolio NEW YORK, NY 512,747512.7k $12.2m $12.2m 0.02% Added +76.8k +76,790
30 Cetera Investment Advisers 0.02% of their portfolio SCHAUMBURG, IL 494,410494.4k $11.8m $11.8m 0.02% Added +45.5k +45,512
31 FRANKLIN RESOURCES INC 0.00% of their portfolio San Mateo, CA 485,418485.4k $11.6m $11.6m 0.00% Added +44.0k +44,015
32 Gilman Hill Asset Management, LLC 1.81% of their portfolio NEW CANAAN, CT 465,241465.2k $11.1m $11.1m 1.81% Added +18.3k +18,265
33 Columbus Macro, LLC 1.27% of their portfolio NEW CASTLE, PA 437,561437.6k $10.4m $10.4m 1.27% Added +48.3k +48,289
34 MGO ONE SEVEN LLC 0.33% of their portfolio Beachwood, OH 427,840427.8k $10.2m $10.2m 0.33% Added +12.7k +12,650
35 Cerity Partners LLC 0.02% of their portfolio NEW YORK, NY 422,634422.6k $10.1m $10.1m 0.02% Reduced -21.4k -21,390
36 Rockefeller Capital Management L.P. 0.01% of their portfolio NEW YORK, NY 414,224414.2k $9.9m $9.9m 0.01% Added +221.2k +221,216
37 1832 Asset Management L.P. 0.02% of their portfolio TORONTO, A6 395,347395.3k $9.4m $9.4m 0.02% Added +45.3k +45,347
38 GOLDMAN SACHS GROUP INC 0.00% of their portfolio NEW YORK, NY 347,494347.5k $8.3m $8.3m 0.00% Added +267.9k +267,894
39 LGT CAPITAL PARTNERS LTD. 0.35% of their portfolio PFAEFFIKON, V8 336,500336.5k $8.0m $8.0m 0.35% Reduced -58.5k -58,500
40 BANK OF MONTREAL /CAN/ 0.00% of their portfolio TORONTO, A6 324,196324.2k $7.7m $7.7m 0.00% New
41 Cresset Asset Management, LLC 0.04% of their portfolio Chicago, IL 302,112302.1k $7.2m $7.2m 0.04% Reduced -2.1k -2,094
42 CONFLUENCE INVESTMENT MANAGEMENT LLC 0.10% of their portfolio ST. LOUIS, MO 288,066288.1k $6.9m $6.9m 0.10% Added +36.6k +36,650
43 ROYAL BANK OF CANADA 0.00% of their portfolio TORONTO, A6 282,954283.0k $6.7m $6.7m 0.00% Added +158.7k +158,713
44 Round Rock Advisors LLC 1.15% of their portfolio WILTON, CT 281,184281.2k $6.7m $6.7m 1.15% Added +6.7k +6,701
45 Janney Montgomery Scott LLC 0.02% of their portfolio PHILADELPHIA, PA 264,827264.8k $6.3m $6.3m 0.02% Reduced -12.0k -12,018
46 MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.00% of their portfolio Toronto, A6 230,586230.6k $5.5m $5.5m 0.00% Reduced -2.0k -2,037
47 AMERIPRISE FINANCIAL INC 0.00% of their portfolio MINNEAPOLIS, MN 215,650215.7k $5.2m $5.2m 0.00% Added +13.3k +13,319
48 First National Trust Co 0.19% of their portfolio Johnstown, PA 214,770214.8k $5.1m $5.1m 0.19% Unchanged
49 BENJAMIN EDWARDS INC 0.06% of their portfolio Clayton, MO 211,976212.0k $5.0m $5.0m 0.06% Added +7.0k +6,964
50 Advisors Asset Management, Inc. 0.09% of their portfolio Monument, CO 206,077206.1k $4.9m $4.9m 0.09% Added +28.8k +28,787
51 DENALI ADVISORS LLC 0.49% of their portfolio SAN DIEGO, CA 198,685198.7k $4.7m $4.7m 0.49% Reduced -4.8k -4,753
52 Truvestments Capital LLC 0.92% of their portfolio SARASOTA, FL 193,963194.0k $4.6m $4.6m 0.92% Reduced -1.4k -1,385
53 RMR Capital Management, LLC 3.24% of their portfolio Tustin, CA 190,495190.5k $4.5m $4.5m 3.24% Reduced -52.7k -52,736
54 HRT FINANCIAL LP 0.02% of their portfolio NEW YORK, NY 190,316190.3k $4.5m $4.5m 0.02% Added +123.7k +123,682
55 Alyeska Investment Group, L.P. 0.02% of their portfolio CHICAGO, IL 189,491189.5k $4.5m $4.5m 0.02% New
56 Parkwood LLC 0.40% of their portfolio CLEVELAND, OH 184,819184.8k $4.4m $4.4m 0.40% Unchanged
57 D.A. DAVIDSON & CO. 0.03% of their portfolio GREAT FALLS, MT 179,702179.7k $4.3m $4.3m 0.03% Added +6.2k +6,176
58 OMERS ADMINISTRATION Corp 0.03% of their portfolio TORONTO, A6 178,214178.2k $4.2m $4.2m 0.03% New
59 Trexquant Investment LP 0.05% of their portfolio STAMFORD, CT 168,058168.1k $4.0m $4.0m 0.05% Added +17.4k +17,428
60 Universal- Beteiligungs- und Servicegesellschaft mbH 0.01% of their portfolio FRANKFURT AM MAIN, 2M 150,543150.5k $3.6m $3.6m 0.01% Added +7 +7
61 Texas Capital Bank Wealth Management Services Inc 0.33% of their portfolio Dallas, TX 148,017148.0k $3.5m $3.5m 0.33% Added +8.2k +8,212
62 Wambolt & Associates, LLC 1.17% of their portfolio LITTLETON, CO 146,586146.6k $3.5m $3.5m 1.17% Reduced -13.9k -13,929
63 Argent Trust Co 0.13% of their portfolio NASHVILLE, TN 144,734144.7k $3.4m $3.4m 0.13% Added +38.4k +38,390
64 COMMONWEALTH EQUITY SERVICES, LLC 0.00% of their portfolio WALTHAM, MA 142,414142.4k $3.4m $3.4m 0.00% Added +15.3k +15,265
65 Naviter Wealth, LLC 0.40% of their portfolio LITTLE ROCK, AR 137,708137.7k $3.3m $3.3m 0.40% Added +22.0k +22,001
66 Clayton Partners LLC 2.74% of their portfolio BERKELEY, CA 137,140137.1k $3.3m $3.3m 2.74% Reduced -14.6k -14,591
67 CANADA LIFE ASSURANCE Co 0.01% of their portfolio WINNIPEG, A2 136,054136.1k $3.2m $3.2m 0.01% Added +3.4k +3,440
68 Wealthstar Advisors, LLC 1.16% of their portfolio Plano, TX 129,482129.5k $3.1m $3.1m 1.16% Reduced -516 -516
69 Aberdeen Group plc 0.00% of their portfolio EDINBURGH, X0 123,237123.2k $2.9m $2.9m 0.00% Reduced -7.4k -7,443
70 IHT Wealth Management, LLC 0.07% of their portfolio Chicago, IL 105,149105.1k $2.5m $2.5m 0.07% Added +6.5k +6,549
71 Waterloo Capital, L.P. 0.20% of their portfolio AUSTIN, TX 103,773103.8k $2.5m $2.5m 0.20% Added +7.4k +7,362
72 PRELUDE CAPITAL MANAGEMENT, LLC 0.23% of their portfolio NEW YORK, NY 98,84398.8k $2.4m $2.4m 0.23% Unchanged
73 BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio PARIS, I0 93,06593.1k $2.2m $2.2m 0.00% Added +13.2k +13,164
74 STATE STREET CORP 0.00% of their portfolio BOSTON, MA 89,66389.7k $2.1m $2.1m 0.00% Added +64.6k +64,601
75 NORTHERN TRUST CORP 0.00% of their portfolio CHICAGO, IL 84,29284.3k $2.0m $2.0m 0.00% Added +29.0k +28,972
76 HB Wealth Management, LLC 0.01% of their portfolio Atlanta, GA 76,20676.2k $1.8m $1.8m 0.01% Reduced -3.4k -3,396
77 MARSHALL WACE, LLP 0.00% of their portfolio LONDON, X0 75,81175.8k $1.8m $1.8m 0.00% Added +49.4k +49,362
78 CITADEL ADVISORS LLC 0.00% of their portfolio MIAMI, FL 74,27974.3k $1.8m $1.8m 0.00% Added +47.4k +47,389
79 Ignite Planners, LLC 0.31% of their portfolio SAN CLEMENTE, CA 71,35871.4k $1.8m $1.8m 0.31% Added +25.0k +25,009
80 IFP Advisors, Inc 0.05% of their portfolio TAMPA, FL 70,81770.8k $1.7m $1.7m 0.05% Reduced -52.2k -52,235
81 Grantham, Mayo, Van Otterloo & Co. LLC 0.00% of their portfolio Boston, MA 67,70067.7k $1.6m $1.6m 0.00% Reduced -5.1k -5,113
82 CWM, LLC 0.01% of their portfolio OMAHA, NE 64,37664.4k $1.5m $1.5m 0.01% Added +63.6k +63,567
83 Hennion & Walsh Asset Management, Inc. 0.06% of their portfolio Parsippany, NJ 63,91163.9k $1.5m $1.5m 0.06% Reduced -40.1k -40,102
84 DEARBORN PARTNERS LLC 0.07% of their portfolio CHICAGO, IL 63,57663.6k $1.5m $1.5m 0.07% Added +171 +171
85 PARK CIRCLE Co 1.27% of their portfolio BALTIMORE, MD 62,00062.0k $1.5m $1.5m 1.27% Unchanged
86 Legacy Capital Wealth Partners, LLC 0.34% of their portfolio LITTLE ROCK, AR 61,98762.0k $1.5m $1.5m 0.34% Reduced -2.0k -1,984
87 Quantinno Capital Management LP 0.01% of their portfolio NEW YORK, NY 58,03558.0k $1.4m $1.4m 0.01% New
88 INDEPENDENT FINANCIAL GROUP, LLC 0.04% of their portfolio SAN DIEGO, CA 57,89557.9k $1.4m $1.4m 0.04% Added +474 +474
89 Corient Private Wealth LP 0.00% of their portfolio MIAMI, FL 56,58156.6k $1.3m $1.3m 0.00% Added +16.4k +16,414
90 Tidal Investments LLC 0.01% of their portfolio Milwaukee, WI 53,21953.2k $1.3m $1.3m 0.01% Added +1.2k +1,168
91 Lido Advisors, LLC 0.01% of their portfolio Los Angeles, CA 52,99653.0k $1.3m $1.3m 0.01% Reduced -16.1k -16,050
92 JANE STREET GROUP, LLC 0.00% of their portfolio NEW YORK, NY 52,97453.0k $1.3m $1.3m 0.00% New
93 XTX Topco Ltd 0.05% of their portfolio LONDON, X0 51,92651.9k $1.2m $1.2m 0.05% New
94 Plan Group Financial, LLC 0.40% of their portfolio OKLAHOMA CITY, OK 51,42851.4k $1.2m $1.2m 0.40% Added +12.5k +12,505
95 Qube Research & Technologies Ltd 0.00% of their portfolio LONDON, X0 50,77450.8k $1.2m $1.2m 0.00% Reduced -168.3k -168,294
96 Beacon Pointe Advisors, LLC 0.01% of their portfolio NEWPORT BEACH, CA 49,61249.6k $1.2m $1.2m 0.01% Added +18.3k +18,309
97 RIVERBRIDGE PARTNERS LLC 0.02% of their portfolio MINNEAPOLIS, MN 48,83548.8k $1.2m $1.2m 0.02% Added +1.6k +1,592
98 Pallas Capital Advisors LLC 0.04% of their portfolio BRAINTREE, MA 48,77848.8k $1.2m $1.2m 0.04% Reduced -5.2k -5,205
99 HighTower Advisors, LLC 0.00% of their portfolio CHICAGO, IL 47,66747.7k $1.1m $1.1m 0.00% Added +4.2k +4,216
100 Canton Hathaway, LLC 0.23% of their portfolio PROVIDENCE, RI 47,43047.4k $1.1m $1.1m 0.23% Reduced -800 -800