FundWatcher
SHSSX
BlackRock Health Sciences Opportunities Portfolio
BlackRock Funds

Portfolio moves

Net position changes between two of this fund's N-PORT snapshots. These are differences between point-in-time reports — not a trade log — and share counts can be affected by splits and other corporate actions.

Nov 28, 2025 → Feb 27, 2026

Expand a category to see the positions behind it, ranked by weight.

Security Shares Nov 2025 Shares Feb 2026 Δ shares End % Δ value
Novartis AG 0 251,660 251,660 0.65% $42.43M
MEDLINE INC-A 0 842,573 842,573 0.61% $40.03M
COGENT BIOSCIENCES INC 0 820,419 820,419 0.48% $31.87M
REVOLUTION MEDICINES INC 0 302,995 302,995 0.47% $30.91M
VIRIDIAN THERAPEUTICS INC 0 516,095 516,095 0.23% $15.16M
AGIOS PHARMACEUTICALS INC 0 344,876 344,876 0.16% $10.43M
EIKON THERAPEUTICS INC 0 722,389 722,389 0.15% $9.95M
ERASCA INC 0 709,864 709,864 0.15% $9.70M
ALUMIS INC 0 293,662 293,662 0.13% $8.72M
Bright Minds Biosciences Inc COM NEW 0 95,655 95,655 0.12% $8.02M
RADNET INC 0 108,100 108,100 0.11% $7.55M
INTELLIA THERAPEUTICS INC 0 518,392 518,392 0.11% $7.14M
Angitia Biopharmaceuticals Limited 0 658,956 658,956 0.10% $6.52M
IMMUNOME INC 0 288,792 288,792 0.10% $6.31M
Immunocore Holdings plc ADS 0 188,691 188,691 0.09% $6.09M
DIANTHUS THERAPEUTICS INC 0 108,033 108,033 0.09% $5.96M
MONTE ROSA THERAPEUTICS INC 0 318,162 318,162 0.09% $5.65M
AKTIS ONCOLOGY I 0 266,503 266,503 0.08% $5.36M
KODIAK SCIENCES INC 0 188,769 188,769 0.08% $5.06M
WAVE LIFE SCIENCES LTD 0 345,882 345,882 0.07% $4.82M
KALVISTA PHARMACEUTICALS INC 0 212,587 212,587 0.05% $3.46M
EYEPOINT PHARMACEUTICALS INC 0 186,478 186,478 0.05% $3.27M
OCULAR THERAPEUTIX INC 0 258,781 258,781 0.04% $2.31M
CORVUS PHARMACEUTICALS INC 0 110,424 110,424 0.03% $2.02M
GOSSAMER BIO INC 0 365,199 365,199 0.00% $155.17K
ATRIUM THERAPEUTICS INC 0 9,948 9,948 0.00% $146.74K
GOLDFINCH EQUITY WARRANTS 0 403,447 403,447 0.00% $4
Security Shares Nov 2025 Shares Feb 2026 Δ shares End % Δ value
LABCORP HOLDINGS INC 141,526 0 -141,526 0.00% -$38.04M
INSULET CORP 91,564 0 -91,564 0.00% -$29.96M
TENET HEALTHCARE CORP 111,596 0 -111,596 0.00% -$24.20M
MERUS NV 206,777 0 -206,777 0.00% -$19.88M
BIO RAD LABS CL A 25,295 0 -25,295 0.00% -$8.22M
Ascendis Pharma A/S 32,926 0 -32,926 0.00% -$6.99M
LEGEND BIOTECH CORP SPON ADR 126,380 0 -126,380 0.00% -$3.50M
UNIQURE N.V. 122,925 0 -122,925 0.00% -$3.38M
VIR BIOTECHNOLOGY INC 228,276 0 -228,276 0.00% -$1.47M
NUVATION EQUITY WARRANTS EXP TH JU 77,354 0 -77,354 0.00% -$24.59K
Security Shares Nov 2025 Shares Feb 2026 Δ shares End % Δ value
LILLY ELI and CO 687,214 704,342 17,128 11.27% $1.88M
GILEAD SCIENCES INC 1,585,265 1,736,422 151,157 3.93% $59.15M
MERCK & CO 1,335,501 1,871,806 536,305 3.52% $91.77M
DANAHER CORP 674,518 716,192 41,674 2.29% -$2.11M
VERTEX PHARMACEUTICALS INC 143,095 273,318 130,223 2.06% $73.75M
TEVA PHARMACEUTICAL IND ADR 2,733,003 3,475,093 742,090 1.79% $44.18M
ARGENX SE SPONSORED ADR 72,459 121,340 48,881 1.41% $26.98M
BIOGEN INC 330,978 364,188 33,210 1.06% $9.59M
BlackRock Cash Funds: Institutional, SL Agency Shares 37,386,950 57,435,421 20,048,471 0.87% $20.06M
WATERS CORP 112,688 124,449 11,761 0.60% -$5.71M
BLKR-LIQ T-INS 28,825,738 34,195,870 5,370,133 0.52% $5.37M
UNITED THERAPEUTICS CORP DEL 41,636 55,689 14,053 0.43% $7.83M
TERNS PHARMACEUTICALS INC 256,540 367,842 111,302 0.24% $8.28M
SUMMIT THERAPEUTICS INC 397,896 924,148 526,252 0.23% $8.21M
VIKING THERAPEUTICS INC 107,335 425,324 317,989 0.22% $10.44M
KARTOS THERAPEUTICS INC SERIES D PC PP 1,573,325 2,064,840 491,515 0.14% $493.78K
MAZE THERAPEUTICS INC 6,131 184,453 178,322 0.13% $8.18M
DENALI THERAPEUTICS INC 234,300 329,179 94,879 0.11% $2.41M
UPSTREAM BIO INC 197,564 341,675 144,111 0.04% -$3.03M
Security Shares Nov 2025 Shares Feb 2026 Δ shares End % Δ value
JOHNSON&JOHNSON 2,746,550 2,688,331 -58,219 10.15% $99.55M
ABBVIE INC 1,182,770 1,157,700 -25,070 4.09% -$637.71K
AMGEN INC 670,330 588,158 -82,172 3.47% -$3.27M
UNITEDHEALTH GRP 736,018 677,911 -58,107 3.02% -$43.91M
INTUITIVE SURGICAL INC 325,960 319,051 -6,909 2.44% -$26.29M
ABBOTT LABS 2,647,853 1,361,894 -1,285,959 2.41% -$182.85M
THERMO FISHER SCIENTIFIC INC 424,384 285,286 -139,098 2.26% -$102.07M
EDWARDS LIFESCIENCES CORP 1,748,026 1,710,975 -37,051 2.25% -$3.55M
MEDTRONIC PLC 2,169,337 1,336,319 -833,018 1.98% -$97.99M
STRYKER CORP 410,154 333,071 -77,083 1.96% -$23.19M
CENCORA INC 298,082 265,860 -32,222 1.50% -$11.03M
BOSTON SCIENTIFIC CORP 1,836,479 1,284,362 -552,117 1.50% -$87.85M
ASTRAZENECA PLC 459,512 449,772 -9,740 1.44% $9.45M
MCKESSON CORP 132,195 79,662 -52,533 1.20% -$37.82M
ROCHE HOLDINGS AG (GENUSSCHEINE) 214,550 147,789 -66,761 1.07% -$11.86M
ALNYLAM PHARMACEUTICALS INC 295,219 207,149 -88,070 1.05% -$64.25M
REGENERON PHARMACEUTICALS INC 99,733 87,659 -12,074 1.04% -$9.29M
BRISTOL-MYERS SQUIBB CO 1,399,228 1,097,084 -302,144 1.04% -$416.89K
HCA HEALTHCARE INC 128,427 125,705 -2,722 1.01% $1.31M
EXACT SCIENCES CORP 559,938 548,069 -11,869 0.86% -$56.75K
RHYTHM PHARMACEUTICALS INC 550,460 538,793 -11,667 0.76% -$10.09M
IDEXX LABS INC 76,237 74,621 -1,616 0.75% -$8.39M
DEXCOM INC 678,143 663,769 -14,374 0.74% $5.70M
PENUMBRA INC 136,101 133,216 -2,885 0.70% $5.98M
INSMED INC 326,291 301,353 -24,938 0.68% -$22.79M
INCYTE CORP 404,753 396,174 -8,579 0.61% -$2.16M
PROTAGONIST THERAPEUTICS INC 378,430 370,408 -8,022 0.52% $48.47K
AGILENT TECHNOLOGIES INC 406,802 271,239 -135,563 0.50% -$29.52M
PFIZER INC 1,210,275 1,184,622 -25,653 0.50% $1.60M
NUVALENT INC-A 322,681 315,841 -6,840 0.49% -$3.09M
GUARDANT HEALTH INC 343,956 336,665 -7,291 0.48% -$5.68M
MODERNA INC 572,943 560,799 -12,144 0.46% $15.16M
GALDERMA GROUP A 156,652 153,331 -3,321 0.44% -$2.34M
CVS HEALTH CORP 367,062 359,282 -7,780 0.44% -$790.47K
ELEVANCE HEALTH INC 90,524 88,605 -1,919 0.43% -$2.27M
NATERA INC 133,100 130,279 -2,821 0.41% -$4.68M
IQVIA HOLDINGS INC 224,389 141,190 -83,199 0.38% -$26.37M
COOPER COS INC 299,483 293,135 -6,348 0.37% $1.19M
CENTENE CORP 557,433 545,618 -11,815 0.37% $2.56M
BIOMARIN PHARMACEUTICAL INC 329,622 322,635 -6,987 0.30% $1.48M
ILLUMINA INC 149,093 145,933 -3,160 0.30% $23.88K
GE HEALTHCARE TECHNOLOGIES INC WI 231,768 226,856 -4,912 0.29% $578.03K
BRUKER CORP 482,169 471,949 -10,220 0.29% -$4.60M
VEEVA SYSTEMS-A 101,554 99,401 -2,153 0.28% -$6.31M
QUEST DIAGNOSTICS INC 113,440 85,193 -28,247 0.27% -$3.41M
REPLIGEN CORP 139,542 136,584 -2,958 0.27% -$6.28M
STOKE THERAPEUTICS INC 483,398 473,152 -10,246 0.26% $2.29M
STERIS PLC 66,341 64,935 -1,406 0.25% -$1.28M
UCB SA 92,407 53,577 -38,830 0.24% -$9.74M
WEST PHARMACEUTICAL SVCS INC 116,000 60,429 -55,571 0.23% -$16.79M
HUMANA INC 80,397 78,693 -1,704 0.23% -$4.77M
APOGEE THERAPEUTICS INC 207,345 202,950 -4,395 0.22% -$716.12K
IONIS PHARMACEUTICALS INC 173,690 170,008 -3,682 0.21% -$573.22K
LB PHARMACEUTICALS INC 579,919 567,627 -12,292 0.21% $3.31M
BRIDGEBIO PHARMA INC 209,311 204,874 -4,437 0.21% -$1.45M
ROIVANT SCIENCES LTD 478,695 468,548 -10,147 0.21% $3.60M
DAIICHI SANKYO 688,300 673,800 -14,500 0.20% -$3.69M
ELANCO ANIMAL HEALTH INC 493,714 483,249 -10,465 0.19% $1.27M
CYTOKINETICS INC 251,375 184,777 -66,598 0.17% -$5.63M
BIO-TECHNE CORP 198,125 193,925 -4,200 0.17% -$1.34M
MBX BIOSCIENCES INC 340,569 333,350 -7,219 0.16% -$895.68K
ARCELLX INC 186,729 92,964 -93,765 0.16% -$3.00M
GLAUKOS CORP 89,037 87,150 -1,887 0.16% $1.03M
HOLOGIC INC 141,365 138,368 -2,997 0.16% -$170.72K
NEUROCRINE BIOSCIENCES INC 80,426 78,721 -1,705 0.16% -$1.83M
EXELIXIS INC 236,668 231,652 -5,016 0.16% -$247.04K
CHARLES RIVER LABS INTL INC 57,394 56,177 -1,217 0.15% -$197.13K
SCHOLAR ROCK HOLDING CORP 231,108 226,209 -4,899 0.15% -$168.35K
ARCUS BIOSCIENCES INC 465,407 455,542 -9,865 0.14% -$2.87M
VENTYX BIOSCIENCES INC 603,440 590,649 -12,791 0.13% $2.22M
NOVOCURE LTD 586,731 574,295 -12,436 0.12% $334.59K
EDGEWISE THERAPEUTICS INC 261,711 256,164 -5,547 0.12% $982.68K
AVIDITY BIOSCIENCES 101,637 99,483 -2,154 0.11% -$124.60K
ENANTA PHARMACEUTICALS INC 502,656 492,001 -10,655 0.11% -$61.89K
BRIDGEBIO ONCOLOGY THERAPEUTIC 688,356 673,766 -14,590 0.10% -$1.72M
ORUKA THERAPEUTICS INC 189,022 185,015 -4,007 0.10% $676.80K
METTLER-TOLEDO INTL INC 4,693 4,594 -99 0.10% -$651.67K
OLEMA PHARMACEUTICALS INC 259,430 253,931 -5,499 0.09% -$1.20M
DISC MEDICINE INC 88,432 86,558 -1,874 0.09% -$2.49M
ALCON INC 66,973 65,553 -1,420 0.09% $403.28K
PTC THERAPEUTICS INC 145,525 82,970 -62,555 0.09% -$6.86M
VAXCYTE INC 89,436 87,540 -1,896 0.08% $967.80K
KYMERA THERAPEUTICS INC 55,346 54,173 -1,173 0.08% $1.19M
BEAM THERAPEUTICS INC 171,649 168,010 -3,639 0.07% $433.70K
BIONTECH SE ADR 42,829 41,921 -908 0.07% $203.14K
DYNE THERAPEUTICS INC 284,975 278,934 -6,041 0.07% -$1.88M
ZEALAND PHARMA A 75,695 74,091 -1,604 0.07% -$1.79M
BIOHAVEN LTD 356,386 348,832 -7,554 0.06% $443.99K
CG ONCOLOGY INC 60,803 59,514 -1,289 0.05% $773.02K
ALLOGENE THERAPEUTICS INC 1,235,040 1,208,862 -26,178 0.05% $1.56M
REGENXBIO INC 219,311 214,663 -4,648 0.03% -$996.02K
VOR BIOPHARMA INC 117,570 115,078 -2,492 0.03% $797.45K
VOYAGER THERAPEUTICS INC 379,198 371,161 -8,037 0.02% -$29.16K
NYXOAH SA 344,664 337,359 -7,305 0.02% -$277.96K
Autolus Therapeutics PLC, ADR 744,753 728,967 -15,786 0.02% $196.43K
4D MOLECULAR THERAPEUTICS INC 129,009 126,274 -2,735 0.02% -$284.44K
GOLDFINCH BIO INC 3,518,800 3,115,353 -403,447 0.01% -$472.91K
ORCHESTRA BIOMED HOLDINGS INC 210,594 206,130 -4,464 0.01% -$217.51K
TSCAN THERAPEUTICS INC 568,707 556,653 -12,054 0.01% -$41.21K
Security Shares Nov 2025 Shares Feb 2026 Δ shares End % Δ value
ADARX PHARMACEUTICALS INC 769,230 769,230 0 0.15% $469.23K
SAIL BIOMEDICINES INC SERIES B PC PP 386,520 386,520 0 0.13% -$993.36K
KAILERA THERAPEUTICS INC 428,000 428,000 0 0.09% $0
INSITRO INC 592,636 592,636 0 0.08% -$977.85K
GENESIS THERAPEUTICS INC SERIES B PC PP 823,870 823,870 0 0.07% $296.59K
QUANTA DIALYSIS TECHNOLOGIES LTD 80,024,425 80,024,425 0 0.07% -$870.94K
BRIDGEBIO ONCOLOGY THERAPEUTICS INC 209,287 209,287 0 0.03% -$477.17K
CELLARITY INC 858,333 858,333 0 0.03% $68.67K
EXO IMAGING INC 909,960 909,960 0 0.01% $0
SAPIENCE WARRANTS 08/23/2027 243,643 243,643 0 0.01% $2.44K
AFFINIVAX INC 122,824 122,824 0 0.01% -$805.73K
CONTRA BLUEPRINT MEDIC COMMON STOCK 204,909 204,909 0 0.00% $4.10K
Mirati Therapeutics, Inc., CVR 228,510 228,510 0 0.00% $2.29K
SWIFT HEALTH SYSTEMS INC 1,700 1,700 0 0.00% $0
AFFERENT PHARMACEUTICAL 3,420,640 3,420,640 0 0.00% $0
CARBON HEALTH TECHNOLOGIES INC CL A (DRS) (NOT LISTED OR TRADING) 2,720,277 2,720,277 0 0.00% -$27.18K
FREQUENCY THERAPEUTICS CVR 428,010 428,010 0 0.00% $0

Machine-readable: JSON · Markdown. Programmatic access via the agent surface.