SIXTH STREET SPECIALTY LENDI (TSLX) Institutional Shareholders
SIXTH STREET SPECIALTY LENDI (TSLX) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026. The institutional investors covered on this page collectively reported approximately $891.04M in TSLX holdings during the latest filing period.
Strs Ohio is currently the largest disclosed institutional shareholder of TSLX tracked by InsiderSet, reporting ownership valued at approximately $103.52M in its June 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $109.67M, representing an estimated gain of +5.94% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 48% of the total disclosed TSLX value among the investors covered in this analysis. Major shareholders include Strs Ohio, Sixth Street Partners Management Company, L.P., Sound Income Strategies, Llc, and several other long-term asset managers with concentrated positions in SIXTH STREET SPECIALTY LENDI (TSLX).
This page ranks the largest institutional TSLX shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
235
Total Reported Value
$891.04M
Largest Holder
Strs Ohio
Largest Position
$103.52M
Insider Transactions (90d)
0
Latest Filing Quarter
Q2 2026
New Institutional Positions
46
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Strs Ohio | 0.39% | 6,029,281 | $103,522,762 | $109,672,621 | +$6,149,859 | +5.94% | |
| Sixth Street Partners Management Company, L.P. | 8.05% | 2,714,226 | $46,603,260 | $49,371,771 | +$2,768,511 | +5.94% | |
| Sound Income Strategies, Llc | 2.09% | 2,706,290 | $46,467,004 | $49,227,415 | +$2,760,411 | +5.94% | |
| Progeny 3, Inc. | 2.19% | 2,476,398 | $42,519,754 | $45,045,680 | +$2,525,926 | +5.94% | |
| Ubs Group Ag | 0.01% | 2,373,275 | $40,749,132 | $43,169,872 | +$2,420,740 | +5.94% | |
| Van Eck Associates Corp | 0.02% | 2,366,266 | $40,628,787 | $43,042,379 | +$2,413,592 | +5.94% | |
| Omers Administration Corp | 0.21% | 2,012,327 | $34,551,655 | $36,604,228 | +$2,052,573 | +5.94% | |
| Ares Management Llc | 1.05% | 1,404,779 | $24,120,055 | $25,552,930 | +$1,432,875 | +5.94% | |
| Allen Investment Management, Llc | 0.28% | 1,368,939 | $23,504,683 | $24,901,000 | +$1,396,317 | +5.94% | |
| Wells Fargo & Company/Mn | 0.00% | 1,316,091 | $22,597,274 | $23,939,695 | +$1,342,421 | +5.94% | |
| Cerity Partners Llc | 0.03% | 1,207,716 | $20,736,486 | $21,968,354 | +$1,231,868 | +5.94% | |
| Callodine Capital Management, Lp | 1.33% | 1,176,080 | $20,193,294 | $21,392,895 | +$1,199,601 | +5.94% | |
| Muzinich & Co., Inc. | 6.31% | 1,075,226 | $18,461,647 | $19,558,361 | +$1,096,714 | +5.94% | |
| Morgan Stanley | 0.00% | 1,069,572 | $18,364,554 | $19,455,515 | +$1,090,961 | +5.94% | |
| Rivernorth Capital Management, Llc | 0.79% | 969,599 | $16,648,015 | $17,637,006 | +$988,991 | +5.94% | |
| Advisors Capital Management, Llc | 0.16% | 864,107 | $14,836,730 | $15,718,106 | +$881,376 | +5.94% | |
| Tectonic Advisors Llc | 0.70% | 845,203 | $14,512,144 | $15,374,243 | +$862,099 | +5.94% | |
| Sumitomo Mitsui Trust Group, Inc. | 0.01% | 792,452 | $13,606,401 | $14,414,702 | +$808,301 | +5.94% | |
| Lsv Asset Management | 0.02% | 789,100 | $13,549,000 | $14,353,729 | +$804,729 | +5.94% | |
| Legal & General Group Plc | 0.00% | 787,794 | $13,526,423 | $14,329,973 | +$803,550 | +5.94% | |
| Bank Of America Corp | 0.00% | 764,474 | $13,126,019 | $13,905,782 | +$779,763 | +5.94% | |
| Raymond James Financial Inc | 0.00% | 736,813 | $12,651,082 | $13,402,628 | +$751,546 | +5.94% | |
| Scs Capital Management Llc | 0.11% | 692,199 | $11,885,058 | $12,591,100 | +$706,042 | +5.94% | |
| Lpl Financial Llc | 0.00% | 651,650 | $11,188,830 | $11,853,514 | +$664,684 | +5.94% | |
| Goldman Sachs Group Inc | 0.00% | 624,772 | $10,727,335 | $11,364,603 | +$637,268 | +5.94% | |
| Union Bancaire Privee, Ubp Sa | 0.10% | 3,482 | $9,511,794 | $63,338 | -$9,448,456 | -99.33% | |
| Jpmorgan Chase & Co | 0.00% | 507,514 | $8,673,415 | $9,231,680 | +$558,265 | +6.44% | |
| Cresset Asset Management, Llc | 0.03% | 501,191 | $8,605,457 | $9,116,664 | +$511,207 | +5.94% | |
| Gilman Hill Asset Management, Llc | 1.18% | 500,602 | $8,595,331 | $9,105,950 | +$510,619 | +5.94% | |
| Neuberger Berman Group Llc | 0.01% | 496,166 | $8,519,170 | $9,025,260 | +$506,090 | +5.94% | |
| Melia Wealth Llc | 4.81% | 486,337 | $8,350,408 | $8,846,470 | +$496,062 | +5.94% | |
| Pathstone Holdings, Llc | 0.03% | 442,900 | $8,140,533 | $8,056,351 | -$84,182 | -1.03% | |
| Blackrock, Inc. | 0.00% | 435,903 | $7,484,462 | $7,929,076 | +$444,614 | +5.94% | |
| National Philanthropic Trust | 0.09% | 351,000 | $6,026,670 | $6,384,690 | +$358,020 | +5.94% | |
| Mgo One Seven Llc | 0.10% | 343,844 | $5,903,810 | $6,254,522 | +$350,712 | +5.94% | |
| Ifp Advisors, Inc | 0.09% | 305,604 | $5,247,221 | $5,558,937 | +$311,716 | +5.94% | |
| Advisors Asset Management, Inc. | 0.07% | 223,673 | $5,231,711 | $4,068,612 | -$1,163,099 | -22.23% | |
| Altshuler Shaham Ltd | 0.06% | 301,460 | $5,176,068 | $5,483,557 | +$307,489 | +5.94% | |
| Rmr Capital Management, Llc | 3.35% | 283,579 | $4,869,053 | $5,158,302 | +$289,249 | +5.94% | |
| Janney Montgomery Scott Llc | 0.01% | 269,078 | $4,620,000 | $4,894,529 | +$274,529 | +5.94% | |
| Qube Research & Technologies Ltd | 0.00% | 224,404 | $3,853,017 | $4,081,909 | +$228,892 | +5.94% | |
| Confluence Investment Management Llc | 0.06% | 211,954 | $3,639,250 | $3,855,443 | +$216,193 | +5.94% | |
| D.A. Davidson & Co. | 0.02% | 210,672 | $3,617,249 | $3,832,124 | +$214,875 | +5.94% | |
| Stifel Financial Corp | 0.00% | 207,043 | $3,554,936 | $3,766,112 | +$211,176 | +5.94% | |
| Lighthouse Investment Partners, Llc | 0.11% | 203,539 | $3,494,765 | $3,702,374 | +$207,609 | +5.94% | |
| Truvestments Capital Llc | 0.47% | 185,157 | $3,179,140 | $3,368,006 | +$188,866 | +5.94% | |
| Parkwood Llc | 0.23% | 184,819 | $3,173,000 | $3,361,858 | +$188,858 | +5.95% | |
| Texas Capital Bank Wealth Management Services Inc | 0.16% | 175,700 | $3,016,769 | $3,195,983 | +$179,214 | +5.94% | |
| Canada Life Assurance Co | 0.00% | 175,800 | $3,011,000 | $3,197,802 | +$186,802 | +6.20% | |
| Naviter Wealth, Llc | 0.24% | 151,189 | $2,595,914 | $2,750,128 | +$154,214 | +5.94% |
Frequently asked questions about TSLX
Who owns the most TSLX stock?
The largest holders of TSLX are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for SIXTH STREET SPECIALTY LENDI (TSLX).
Is TSLX widely held by superinvestors?
Many widely followed stocks like TSLX appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly TSLX is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.