Tactile Systems Technology Inc (Nasdaq: TCMD), an SEC filer in Surgical & Medical Instruments & Apparatus, closed at $23.16, +0.2%, on 2026-08-28, with a market cap of $525M, a trailing P/E of 28.2, a return on equity of 8.8%, a net margin of 5.8% and 3-year sales growth of 10.1%. Institutional ownership, earnings history, filed financials and clinical trials are on the tabs below.
| # | Holder | Shares | Value | % of shares out | Δ QoQ |
|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 1,779,4461.8M | $46M | 7.93% | — |
| 2 | MORGAN STANLEY | 1,382,8121.4M | $36M | 6.16% | TRIM -5% |
| 3 | DIMENSIONAL FUND ADVISORS LP | 1,079,7161.1M | $28M | 4.81% | — |
| 4 | CADIAN CAPITAL MANAGEMENT, LP | 1,041,0721.0M | $27M | 4.64% | TRIM -4% |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | 945,097945,097 | $25M | 4.21% | NEW† |
| 6 | ACADIAN ASSET MANAGEMENT LLC | 905,369905,369 | $24M | 4.03% | TRIM -5% |
| 7 | Driehaus Capital Management LLC | 741,914741,914 | $19M | 3.31% | ADD 31% |
| 8 | VANGUARD PORTFOLIO MANAGEMENT LLC | 668,334668,334 | $17M | 2.98% | NEW† |
| 9 | FEDERATED HERMES, INC. | 660,957660,957 | $17M | 2.95% | ADD 2% |
| 10 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 638,368638,368 | $17M | 2.84% | — |
† NEW this big is usually a rename.
Ranked by each filer’s own reported value, not shares.
| Biggest buyers | Δ shares | Δ value | |
|---|---|---|---|
| VANGUARD CAPITAL MANAGEMENT LLC | +945,097 | $25M | OPEN |
| VANGUARD PORTFOLIO MANAGEMENT LLC | +668,334 | $17M | OPEN |
| Divisadero Street Capital Management, LP | +237,884 | $6M | OPEN |
| Driehaus Capital Management LLC | +176,272 | $5M | ADD |
| PRUDENTIAL FINANCIAL INC | +171,410 | $4M | ADD |
| Biggest sellers | Δ shares | Δ value | |
|---|---|---|---|
| VANGUARD GROUP INC | −1,651,170 | $43M | CLOSE |
| PARADIGM CAPITAL MANAGEMENT INC/NY | −480,700 | $13M | TRIM |
| Capitolis Liquid Global Markets LLC | −194,400 | $5M | CLOSE |
| JANE STREET GROUP, LLC | −159,438 | $4M | CLOSE |
| Counterpoint Mutual Funds LLC | −95,622 | $2M | TRIM |
Prior quarter split-rebased · 13Fs are long, US-listed only.
| Holder | 2024-Q4 | 2025-Q1 | 2025-Q2 | 2025-Q3 | 2025-Q4 | 2026-Q1 | Latest value |
|---|---|---|---|---|---|---|---|
| BlackRock, Inc. | 2.4M | 2.3M | 1.8M | 1.8M | 1.8M | 1.8M | $46M |
| MORGAN STANLEY | 2.3M | 2.3M | 2.3M | 2.3M | 1.5M | 1.4M | $36M |
| DIMENSIONAL FUND ADVISORS LP | 902K | 1.0M | 1.2M | 1.2M | 1.1M | 1.1M | $28M |
| CADIAN CAPITAL MANAGEMENT, LP | 1.7M | 2.1M | 2.3M | 2.1M | 1.1M | 1.0M | $27M |
| VANGUARD CAPITAL MANAGEMENT LLC | — | — | — | — | — | 945K | $25M |
| ACADIAN ASSET MANAGEMENT LLC | 79K | 196K | 684K | 845K | 956K | 905K | $24M |
| Driehaus Capital Management LLC | — | — | — | — | 566K | 742K | $19M |
| VANGUARD PORTFOLIO MANAGEMENT LLC | — | — | — | — | — | 668K | $17M |
| FEDERATED HERMES, INC. | 424K | 386K | 552K | 541K | 645K | 661K | $17M |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 52K | 52K | 61K | 109K | 638K | 638K | $17M |
Green = added, red = trimmed, grey = held; a dash is a quarter with no 13F on file — a gap, not an exit.
Breaks = no 13F that quarter.
Short interest has its own tab now — open SI →
SEC Form 13F · ~10,250 filers, 10y · long-only, US-listed, filed ≤45d after quarter-end.
SEC Schedule 13D/G XML · group aggregate.
