Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in KIDS held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | BROWN ADVISORY INC | 1.5M | $24.1M | -19.7% | 6.005% | 0.04% |
| 2 | MILLENNIUM MANAGEMENT LLC | 1.2M | $19.6M | -11.4% | 4.893% | 0.01% |
| 3 | BlackRock, Inc. | 1.2M | $18.6M | -1.4% | 4.644% | 0.00% |
| 4 | MORGAN STANLEY | 1.1M | $18.1M | +2.2% | 4.514% | 0.00% |
| 5 | BRAIDWELL LP | 1.1M | $17.5M | 0.0% | 4.353% | 0.58% |
| 6 | GRANAHAN INVESTMENT MANAGEMENT INC/MA | 897K | $14.2M | +35.1% | 3.547% | 0.69% |
| 7 | WELLINGTON MANAGEMENT GROUP LLP | 887K | $14.1M | -13.0% | 3.511% | 0.00% |
| 8 | VANGUARD CAPITAL MANAGEMENT LLC | 718K | $11.4M | — | 2.841% | 0.00% |
| 9 | Soleus Capital Management, L.P. | 615K | $9.8M | +17.1% | 2.435% | 0.40% |
| 10 | DIMENSIONAL FUND ADVISORS LP | 547K | $8.7M | -12.2% | 2.162% | 0.00% |
| 11 | GEODE CAPITAL MANAGEMENT, LLC | 433K | $6.9M | +5.4% | 1.712% | 0.00% |
| 12 | STATE STREET CORP | 414K | $6.6M | +4.7% | 1.638% | 0.00% |
| 13 | GOLDMAN SACHS GROUP INC | 342K | $5.4M | +96.6% | 1.355% | 0.00% |
| 14 | WASATCH ADVISORS INC | 329K | $5.2M | +13.6% | 1.303% | 0.03% |
| 15 | BROWN CAPITAL MANAGEMENT LLC | 311K | $4.9M | -39.6% | 1.229% | 0.70% |
| 16 | Prosight Management, LP | 302K | $4.8M | +121.2% | 1.196% | 0.79% |
| 17 | Roubaix Capital, LLC | 290K | $4.6M | +23.8% | 1.147% | 2.15% |
| 18 | AWM Investment Company, Inc. | 237K | $3.8M | +10.7% | 0.938% | 0.42% |
| 19 | Nantahala Capital Management, LLC | 199K | $3.2M | 0.0% | 0.789% | 0.16% |
| 20 | KENNEDY CAPITAL MANAGEMENT, INC. | 186K | $3.0M | +2.5% | 0.737% | 0.06% |
| 21 | CITADEL ADVISORS LLC | 185K | $2.9M | +21.5% | 0.733% | 0.00% |
| 22 | TUDOR INVESTMENT CORP ET AL | 169K | $2.7M | +49.5% | 0.668% | 0.01% |
| 23 | Nuveen, LLC | 164K | $2.6M | +409.0% | 0.649% | 0.00% |
| 24 | MUTUAL OF AMERICA CAPITAL MANAGEMENT LLC | 153K | $2.4M | -14.1% | 0.606% | 0.03% |
| 25 | NORTHERN TRUST CORP | 150K | $2.4M | -3.1% | 0.595% | 0.00% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in KIDS — a direct measure of their conviction.
Filings activity in KIDS during Q1 2026, grouped by how each filer changed its position.
Institutions that opened a new KIDS position in Q1 2026
Institutions that fully closed their KIDS position in Q1 2026
8 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 118 | +0.9% | 55.64% | 6.74 pp | $251M | 11% |
| Q4 2025 | 117 | +9.3% | 62.38% | 3.49 pp | $281M | 5.3% |
| Q3 2025 | 107 | 7.0% | 65.87% | 8.37 pp | $297M | 11% |
| Q2 2025 | 115 | +1.8% | 74.24% | 10.62 pp | $334M | 13% |
| Q1 2025 | 113 | +5.6% | 84.86% | +6.54 pp | $382M | +8.4% |
| Q4 2024 | 107 | 12% | 78.32% | 11.94 pp | $353M | 13% |
| Q3 2024 | 122 | +0.8% | 90.26% | 22.91 pp | $407M | 20% |
| Q2 2024 | 121 | — | 113.17% | — | $510M | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying KIDS stock.
Based on Q1 2026 13F filings, institutional ownership of OrthoPediatrics Corp. stands at 55.6%, held across 118 reporting institutions.
BROWN ADVISORY INC is the largest reported institutional holder of KIDS, with approximately 1,518,018 shares worth $0.02B as of Q1 2026.
Yes — 2 widely-followed marquee investors appear among the top 25 institutional holders of KIDS, including MILLENNIUM MANAGEMENT LLC, CITADEL ADVISORS LLC.
Our composite Smart Money Score for KIDS is 45 out of 100 (Neutral). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
18 institutions opened new positions in KIDS during Q1 2026, while 17 fully exited. 27 added to existing positions and 70 trimmed.
KIDS institutional ownership fell by 6.74 percentage points quarter-over-quarter, with a net change of +1 holders.
The top 10 institutions account for 62.3% of all reported 13F value in KIDS, and the top 25 account for 86.8%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
OrthoPediatrics Corp. (KIDS) Institutional Ownership