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TSSI

TSS, Inc.
$11.21 -0.57 (-4.84%) At close · Jul 2
Market Cap
$314.71M
Shares
28,073,956

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 111
Total Value: $144,366,015
Total Shares: 11,096,547
Showing 1–100 of 115 holdings by value · page 1 of 2

Institutional Ownership Trend

7 quarters

Holder Concentration

Across 111 13F filers · Δ vs Dec 31, 2025
Top Holder
16.0%
Sep 2024 → Mar 2026 · range 11.4% – 100.0%
+0.1 pts
Top 5
44.1%
Sep 2024 → Mar 2026 · range 41.3% – 100.0%
−6.9 pts
Top 10
64.0%
Sep 2024 → Mar 2026 · range 61.9% – 100.0%
−5.9 pts
HHI
593
Sep 2024 → Mar 2026 · range 524 – 10,000
Broadly held−108

Quarterly Activity

vs Dec 31, 2025
New
37
Increased
37
Decreased
22
Sold Out
18
Unchanged
15
Holder count: +19
Institutional value: +112.7%
Shares held: +15.6%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP +494,276 822,929
Mega JANE STREET GROUP, LLC +422,539 759,181
Mega BlackRock, Inc. +245,840 1,770,890
Mega UBS Group AG +205,142 521,598
Mega LPL Financial LLC +155,023 342,848

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open
Mega MILLENNIUM MANAGEMENT LLC −494,971 370,379
Mega CITADEL ADVISORS LLC −306,982 379,500
Large Point72 Asset Management, L.P. −104,657 81,600
Large RENAISSANCE TECHNOLOGIES LLC −87,077 60,091
Mid Quantbot Technologies LP −63,825 2,640

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open
Mega VANGUARD CAPITAL MANAGEMENT LLC 968,440 $12,599,404
Large SILVERCREST ASSET MANAGEMENT GROUP LLC 416,514 $5,418,847
Large MARSHALL WACE, LLP 324,962 $4,227,755
Mid CenterBook Partners LP 177,414 $2,308,156
Mega VANGUARD FIDUCIARY TRUST CO 159,977 $2,081,300

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Mega VANGUARD GROUP INC 1,286,482 $9,095,426
Small K2 PRINCIPAL FUND, L.P. 50,000 $353,500
Large Verition Fund Management LLC 48,412 $342,272
Mid CITIZENS FINANCIAL GROUP INC/RI 39,500 $279,265
Large LOS ANGELES CAPITAL MANAGEMENT LLC 39,145 $276,755
Filter: New 37 Increased 37 Reduced 22 Sold out 18 Unchanged 15
Showing 100 of 115
All Common Calls Puts
Export CSV
Holder Value (USD) % of 13F Shares Open
Mega BlackRock, Inc. $23,039,276 15.96% 1,770,890
Mega VANGUARD CAPITAL MANAGEMENT LLC $12,599,404 8.73% 968,440
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $9,446,561 6.54% 726,100
Mega JANE STREET GROUP, LLC $8,561,632 5.93% 658,081
Mega GEODE CAPITAL MANAGEMENT, LLC $7,488,672 5.19% 575,609
Mega UBS Group AG $6,785,989 4.70% 521,598
Large Value Aligned Research Advisors, LLC $5,991,235 4.15% 460,510
Mega STATE STREET CORP $5,532,554 3.83% 425,254
Large SILVERCREST ASSET MANAGEMENT GROUP LLC $5,418,847 3.75% 416,514
Mega MILLENNIUM MANAGEMENT LLC $4,818,630 3.34% 370,379
Mega LPL Financial LLC $4,460,452 3.09% 342,848
Large MARSHALL WACE, LLP $4,227,755 2.93% 324,962
Mega CITADEL ADVISORS LLC $3,880,883 2.69% 298,300
Large Rockefeller Capital Management L.P. $2,821,646 1.95% 216,883
Mega D. E. Shaw & Co., Inc. $2,418,571 1.68% 185,901
Mid CenterBook Partners LP $2,308,156 1.60% 177,414
Mega WELLS FARGO & COMPANY/MN $2,256,870 1.56% 173,472
Mega NORTHERN TRUST CORP Bank $2,151,215 1.49% 165,351
Mega VANGUARD FIDUCIARY TRUST CO Bank $2,081,300 1.44% 159,977
Small Arosa Capital Management LP $1,951,500 1.35% 150,000
Mega GOLDMAN SACHS GROUP INC $1,613,499 1.12% 124,020
Mega MORGAN STANLEY $1,486,741 1.03% 114,277
Mega JANE STREET GROUP, LLC $1,315,311 0.91% 101,100
Small Dupree Financial Group, LLC $1,226,504 0.85% 94,274
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $1,072,024 0.74% 82,400
Large Point72 Asset Management, L.P. $1,061,616 0.74% 81,600
Mega CITADEL ADVISORS LLC $1,056,412 0.73% 81,200
Mega Bank of New York Mellon Corp Bank $804,602 0.56% 61,845
Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC $793,766 0.55% 61,012
Large RENAISSANCE TECHNOLOGIES LLC $781,783 0.54% 60,091
Mid GROUP ONE TRADING LLC $737,211 0.51% 56,665
Large CAPTRUST FINANCIAL ADVISORS $669,702 0.46% 51,476
Mega TWO SIGMA INVESTMENTS, LP $644,229 0.45% 49,518
Mega Nuveen, LLC $535,660 0.37% 41,173
Small WEXFORD CAPITAL LP $520,400 0.36% 40,000
Mid IMC-Chicago, LLC $512,971 0.36% 39,429
Mid GSA CAPITAL PARTNERS LLP $507,806 0.35% 39,032
Large HighTower Advisors, LLC $460,150 0.32% 35,369
Large Kestra Advisory Services, LLC $456,651 0.32% 35,100
Mid XTX Topco Ltd $445,761 0.31% 34,263
Large Centiva Capital, LP $419,351 0.29% 32,233
Mega AQR CAPITAL MANAGEMENT LLC $418,022 0.29% 32,131
Mega ROYAL BANK OF CANADA Bank $336,295 0.23% 25,849
Small Pinnacle Wealth Planning Services, Inc. $325,250 0.23% 25,000
Small CREATIVE FINANCIAL DESIGNS INC /ADV $320,696 0.22% 24,650
Mega RHUMBLINE ADVISERS $315,570 0.22% 24,256
Mega ALLIANCEBERNSTEIN L.P. $308,337 0.21% 23,700
Mid J.W. COLE ADVISORS, INC. $303,523 0.21% 23,330
Mega BANK OF AMERICA CORP /DE/ Bank $299,672 0.21% 23,034
Large Cetera Investment Advisers $298,878 0.21% 22,973
Mid Mesirow Financial Investment Management, Inc. $294,585 0.20% 22,643
Large Trexquant Investment LP $287,351 0.20% 22,087
Mega DEUTSCHE BANK AG\ Bank $273,911 0.19% 21,054
Large Quantinno Capital Management LP $260,720 0.18% 20,040
Large STIFEL FINANCIAL CORP $210,319 0.15% 16,166
Large OSAIC HOLDINGS, INC. $198,167 0.14% 15,232
Mega PRICE T ROWE ASSOCIATES INC /MD/ $195,501 0.14% 15,027
Mega Invesco Ltd. $194,784 0.13% 14,972
Mid Brevan Howard Capital Management LP $192,248 0.13% 14,777
Small Pekin Hardy Strauss, Inc. $188,645 0.13% 14,500
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $187,721 0.13% 14,429
Mid BOOTHBAY FUND MANAGEMENT, LLC $185,288 0.13% 14,242
Mega AMERIPRISE FINANCIAL INC $176,467 0.12% 13,564
Large Cerity Partners LLC $171,914 0.12% 13,214
Small LJI Wealth Management, LLC $162,625 0.11% 12,500
Small VESTOR CAPITAL, LLC $156,120 0.11% 12,000
Large MetLife Investment Management, LLC $146,271 0.10% 11,243
Mega BARCLAYS PLC $144,228 0.10% 11,086
Small MONECO ADVISORS, LLC $142,849 0.10% 10,980
Mega AMERICAN CENTURY COMPANIES INC $137,307 0.10% 10,554
Mid ALGERT GLOBAL LLC $136,474 0.09% 10,490
Mid INDEPENDENT FINANCIAL GROUP, LLC $134,003 0.09% 10,300
Mid Integrated Wealth Concepts LLC $133,742 0.09% 10,280
Mega JPMORGAN CHASE & CO $131,153 0.09% 10,081
Mid Foundations Investment Advisors, LLC Endowment $130,100 0.09% 10,000
Mid CapitalatWork S.A. $130,100 0.09% 10,000
Mid Diversified Trust Co Bank $130,100 0.09% 10,000
Small CURA WEALTH ADVISORS, LLC $130,100 0.09% 10,000
Large MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. Mutual Fund $130,086 0.09% 9,999
Mid Advisory Services Network, LLC $126,964 0.09% 9,759
Mega Vanguard Global Advisers, LLC $114,956 0.08% 8,836
Mega FMR LLC $92,136 0.06% 7,082
Mega CITIGROUP INC $85,059 0.06% 6,538
Large NEW YORK STATE COMMON RETIREMENT FUND Pension $75,458 0.05% 5,800
Large Police & Firemen's Retirement System of New Jersey Pension $70,540 0.05% 5,422
Mega BNP PARIBAS ARBITRAGE, SA $62,174 0.04% 4,779
Large Russell Investments Group, Ltd. $53,275 0.04% 4,095
Large TORONTO DOMINION BANK Bank $39,030 0.03% 3,000
Mid Tower Research Capital LLC (TRC) $35,140 0.02% 2,701
Mid Quantbot Technologies LP $34,346 0.02% 2,640
Mega Legal & General Group Plc $27,607 0.02% 2,122
Mid Ameritas Investment Partners, Inc. $24,237 0.02% 1,863
Small Innovative Asset Advisors Group, LLC $19,515 0.01% 1,500
Large CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM Pension $15,989 0.01% 1,229
Large CWM, LLC $15,898 0.01% 1,222
Micro Rialto Wealth Management, LLC $11,930 0.01% 917
Small VALLEY NATIONAL ADVISERS INC $10,408 0.01% 800
Micro USA FINANCIAL FORMULAS $8,495 0.01% 653
Mid GAMMA Investing LLC $8,300 0.01% 638
Mid Farther Finance Advisors, LLC $7,923 0.01% 609
Key facts CIK 1320760 CUSIP 87288V101 Visit website

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