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Portfolio (Quarterly) Guide ↗

WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC

· CIK 0001644956
13F Portfolio $33.3B AUM 403 positions Filed Aug 12, 2026 EDGAR ↗ ← All Funds
Q2 2026 Q1 2026 · All 47 New 100 Added 228 Reduced 57 Exited
Page 4 of 21  ·  403 positions
# Ticker Company Sector Shares Value ↓ % Port Chg Shares Chg % Period Price ① Since Period ①
61 IDXX IDEXX LABS INC Healthcare 298,154.0 $157.0M 0.47% -53K -15.2% $526.44 +5.8%
62 NOW SERVICENOW INC Technology 1,551,192.0 $154.0M 0.46% -820K -34.6% $99.28 +29.4%
63 SYNA SYNAPTICS INC Technology 1,239,622.0 $154.0M 0.46% -347K -21.9% $124.23 -21.4%
64 TXN TEXAS INSTRS INC Technology 506,229.0 $150.9M 0.45% +82K +19.3% $298.07 -11.3%
65 SN SHARKNINJA INC Consumer Cyclical 986,806.0 $150.3M 0.45% -87K -8.1% $152.27 +18.7%
66 WST WEST PHARMACEUTICAL SVSC INC Healthcare 417,309.0 $149.8M 0.45% +378K +950.5% $359.00 -1.6%
67 LOPE GRAND CANYON ED INC Consumer Defensive 1,038,828.0 $148.7M 0.45% +59K +6.0% $143.11 +3.0%
68 LFUS LITTELFUSE INC Technology 321,681.0 $146.5M 0.44% +17K +5.6% $455.33 -9.5%
69 CNQ CANADIAN NAT RES LTD MED TER Energy 3,635,082.0 $143.7M 0.43% NEW $39.53 +30.0%
70 RS RELIANCE INC Basic Materials 382,494.0 $142.9M 0.43% -21K -5.2% $373.60 +3.8%
71 TOTALENERGIES SE 1,819,275.0 $141.4M 0.42% +966K +113.1% $77.70
72 FPS FORGENT POWER SOLUTIONS INC Industrials 2,516,270.0 $140.6M 0.42% NEW $55.86 -40.6%
73 PTCT PTC THERAPEUTICS INC Healthcare 1,722,688.0 $140.5M 0.42% NEW $81.57 -14.4%
74 TKR TIMKEN CO Industrials 954,839.0 $138.8M 0.42% +950K +10000.0% $145.32 -13.9%
75 CYTK CYTOKINETICS INC Healthcare 1,603,442.0 $136.6M 0.41% +516K +47.4% $85.19 -9.8%
76 LECO LINCOLN ELEC HLDGS INC Industrials 506,862.0 $134.6M 0.41% -28K -5.2% $265.51 +6.1%
77 EXP EAGLE MATLS INC Basic Materials 576,712.0 $129.8M 0.39% -54K -8.5% $225.00 -8.0%
78 CLH CLEAN HARBORS INC Industrials 419,210.0 $125.2M 0.38% -24K -5.4% $298.75 +5.8%
79 NOVT NOVANTA INC Technology 765,867.0 $124.3M 0.37% -17K -2.2% $162.24 -10.5%
80 BIRKENSTOCK HOLDING PLC 2,865,895.0 $123.3M 0.37% +290K +11.3% $43.03
Page 4 of 21  ·  403 positions

Period Price is the implied market price on the last day of the reporting period, calculated as reported value ÷ shares held. It is not the fund's purchase price or cost basis — the fund may have initiated or added to the position at any point during the quarter at a different price. Since Period shows the price change from that quarter-end snapshot to today's last price — it reflects stock movement after the report date, not the fund's actual return.

Sector Allocation
Technology 38.4%
Healthcare 14.2%
Industrials 13.5%
Financial Services 8.6%
Consumer Cyclical 7.7%
Communication Services 5.8%
Consumer Defensive 4.0%
Basic Materials 3.6%
Energy 2.4%
Utilities 1.0%